Investar Holding Corp NASDAQ:ISTR Historical Prices

Below are the 2135 trading days of historical prices for ISTR.

#	Exchange	Symbol	Date	Open	High	Low	Close
2135	NASDAQ	ISTR	Thu, Jan 19, 2023	21.72	21.72	21.30	21.48
2134	NASDAQ	ISTR	Wed, Jan 18, 2023	21.40	21.74	21.40	21.49
2133	NASDAQ	ISTR	Tue, Jan 17, 2023	21.90	21.92	21.51	21.58
2132	NASDAQ	ISTR	Fri, Jan 13, 2023	21.66	21.66	21.55	21.55
2131	NASDAQ	ISTR	Thu, Jan 12, 2023	21.75	22.07	21.71	21.78
2130	NASDAQ	ISTR	Wed, Jan 11, 2023	21.75	21.85	21.68	21.80
2129	NASDAQ	ISTR	Tue, Jan 10, 2023	21.70	21.88	21.55	21.88
2128	NASDAQ	ISTR	Mon, Jan 9, 2023	21.75	21.75	21.61	21.61
2127	NASDAQ	ISTR	Fri, Jan 6, 2023	21.75	21.85	21.50	21.75
2126	NASDAQ	ISTR	Thu, Jan 5, 2023	21.50	21.67	21.50	21.50
2125	NASDAQ	ISTR	Wed, Jan 4, 2023	21.59	21.88	21.59	21.61
2124	NASDAQ	ISTR	Tue, Jan 3, 2023	21.63	21.70	21.51	21.59
2123	NASDAQ	ISTR	Fri, Dec 30, 2022	21.53	21.68	21.30	21.53
2122	NASDAQ	ISTR	Thu, Dec 29, 2022	21.59	21.70	21.38	21.51
2121	NASDAQ	ISTR	Wed, Dec 28, 2022	21.70	21.75	21.51	21.65
2120	NASDAQ	ISTR	Tue, Dec 27, 2022	21.55	21.88	21.31	21.57
2119	NASDAQ	ISTR	Fri, Dec 23, 2022	21.53	21.56	21.30	21.56
2118	NASDAQ	ISTR	Thu, Dec 22, 2022	21.26	21.64	21.20	21.35
2117	NASDAQ	ISTR	Wed, Dec 21, 2022	21.49	21.60	21.26	21.26
2116	NASDAQ	ISTR	Tue, Dec 20, 2022	21.50	21.50	21.24	21.31
2115	NASDAQ	ISTR	Mon, Dec 19, 2022	21.52	21.86	21.08	21.37
2114	NASDAQ	ISTR	Fri, Dec 16, 2022	21.60	21.65	21.38	21.52
2113	NASDAQ	ISTR	Thu, Dec 15, 2022	21.82	22.15	21.62	21.65
2112	NASDAQ	ISTR	Wed, Dec 14, 2022	21.85	21.95	21.64	21.75
2111	NASDAQ	ISTR	Tue, Dec 13, 2022	21.75	22.05	21.65	21.68
2110	NASDAQ	ISTR	Mon, Dec 12, 2022	21.79	21.79	21.62	21.78
2109	NASDAQ	ISTR	Fri, Dec 9, 2022	21.76	21.80	21.56	21.79
2108	NASDAQ	ISTR	Thu, Dec 8, 2022	21.59	21.80	21.43	21.78
2107	NASDAQ	ISTR	Wed, Dec 7, 2022	21.80	21.80	21.46	21.50
2106	NASDAQ	ISTR	Tue, Dec 6, 2022	21.63	21.80	21.50	21.80
2105	NASDAQ	ISTR	Mon, Dec 5, 2022	21.83	21.86	21.41	21.56
2104	NASDAQ	ISTR	Fri, Dec 2, 2022	21.70	21.97	21.66	21.84
2103	NASDAQ	ISTR	Thu, Dec 1, 2022	22.00	22.15	21.66	21.80
2102	NASDAQ	ISTR	Wed, Nov 30, 2022	22.01	22.15	21.76	22.14
2101	NASDAQ	ISTR	Tue, Nov 29, 2022	21.96	22.09	21.85	21.95
2100	NASDAQ	ISTR	Mon, Nov 28, 2022	21.75	22.08	21.62	21.90
2099	NASDAQ	ISTR	Fri, Nov 25, 2022	21.79	21.79	21.66	21.78
2098	NASDAQ	ISTR	Wed, Nov 23, 2022	21.95	22.00	21.73	21.83
2097	NASDAQ	ISTR	Tue, Nov 22, 2022	22.20	22.20	21.82	21.85
2096	NASDAQ	ISTR	Mon, Nov 21, 2022	22.19	22.19	21.90	21.99
2095	NASDAQ	ISTR	Fri, Nov 18, 2022	22.05	22.20	22.05	22.15
2094	NASDAQ	ISTR	Thu, Nov 17, 2022	22.00	22.25	21.99	22.10
2093	NASDAQ	ISTR	Wed, Nov 16, 2022	22.15	22.23	22.13	22.14
2092	NASDAQ	ISTR	Tue, Nov 15, 2022	22.05	22.22	21.92	22.10
2091	NASDAQ	ISTR	Mon, Nov 14, 2022	22.09	22.20	21.62	22.05
2090	NASDAQ	ISTR	Fri, Nov 11, 2022	22.10	22.14	21.90	22.09
2089	NASDAQ	ISTR	Thu, Nov 10, 2022	22.20	22.25	21.85	22.10
2088	NASDAQ	ISTR	Wed, Nov 9, 2022	21.97	21.97	21.94	21.96
2087	NASDAQ	ISTR	Tue, Nov 8, 2022	21.81	21.99	21.62	21.62
2086	NASDAQ	ISTR	Mon, Nov 7, 2022	22.10	22.31	21.78	21.78
2085	NASDAQ	ISTR	Fri, Nov 4, 2022	22.48	22.48	21.92	22.01
2084	NASDAQ	ISTR	Thu, Nov 3, 2022	22.13	22.33	21.85	21.98
2083	NASDAQ	ISTR	Wed, Nov 2, 2022	21.69	22.15	21.57	22.15
2082	NASDAQ	ISTR	Tue, Nov 1, 2022	21.62	21.90	21.28	21.43
2081	NASDAQ	ISTR	Mon, Oct 31, 2022	20.99	21.86	20.76	21.54
2080	NASDAQ	ISTR	Fri, Oct 28, 2022	20.90	21.35	20.67	20.84
2079	NASDAQ	ISTR	Thu, Oct 27, 2022	21.37	21.37	20.78	20.86
2078	NASDAQ	ISTR	Wed, Oct 26, 2022	21.27	21.44	20.67	20.96
2077	NASDAQ	ISTR	Tue, Oct 25, 2022	20.45	21.56	20.38	21.56
2076	NASDAQ	ISTR	Mon, Oct 24, 2022	20.70	20.70	20.20	20.20
2075	NASDAQ	ISTR	Fri, Oct 21, 2022	20.86	21.24	20.55	20.55
2074	NASDAQ	ISTR	Thu, Oct 20, 2022	20.89	21.20	20.80	21.03
2073	NASDAQ	ISTR	Wed, Oct 19, 2022	20.86	21.11	20.60	20.65
2072	NASDAQ	ISTR	Tue, Oct 18, 2022	21.04	21.35	21.00	21.00
2071	NASDAQ	ISTR	Mon, Oct 17, 2022	21.55	21.55	20.79	20.92
2070	NASDAQ	ISTR	Fri, Oct 14, 2022	21.27	21.48	21.20	21.48
2069	NASDAQ	ISTR	Thu, Oct 13, 2022	20.82	21.84	20.51	21.84
2068	NASDAQ	ISTR	Wed, Oct 12, 2022	20.56	21.21	20.50	21.20
2067	NASDAQ	ISTR	Tue, Oct 11, 2022	20.82	20.90	20.50	20.76
2066	NASDAQ	ISTR	Mon, Oct 10, 2022	20.36	20.91	20.36	20.78
2065	NASDAQ	ISTR	Fri, Oct 7, 2022	19.88	20.31	19.75	20.31
2064	NASDAQ	ISTR	Thu, Oct 6, 2022	20.07	20.23	19.81	19.81
2063	NASDAQ	ISTR	Wed, Oct 5, 2022	20.20	20.41	20.07	20.14
2062	NASDAQ	ISTR	Tue, Oct 4, 2022	20.48	20.50	20.01	20.01
2061	NASDAQ	ISTR	Mon, Oct 3, 2022	20.18	20.55	20.08	20.19
2060	NASDAQ	ISTR	Fri, Sep 30, 2022	19.98	20.28	19.90	19.90
2059	NASDAQ	ISTR	Thu, Sep 29, 2022	19.90	19.99	19.90	19.98
2058	NASDAQ	ISTR	Wed, Sep 28, 2022	20.00	20.00	19.90	19.90
2057	NASDAQ	ISTR	Tue, Sep 27, 2022	20.10	20.17	19.90	19.90
2056	NASDAQ	ISTR	Mon, Sep 26, 2022	20.05	20.09	20.00	20.00
2055	NASDAQ	ISTR	Fri, Sep 23, 2022	20.23	20.56	20.07	20.26
2054	NASDAQ	ISTR	Thu, Sep 22, 2022	20.42	20.46	20.13	20.32
2053	NASDAQ	ISTR	Wed, Sep 21, 2022	20.71	20.77	20.50	20.63
2052	NASDAQ	ISTR	Tue, Sep 20, 2022	20.48	20.71	20.31	20.71
2051	NASDAQ	ISTR	Mon, Sep 19, 2022	20.13	20.50	20.13	20.48
2050	NASDAQ	ISTR	Fri, Sep 16, 2022	20.30	20.74	20.05	20.05
2049	NASDAQ	ISTR	Thu, Sep 15, 2022	20.40	20.55	20.01	20.20
2048	NASDAQ	ISTR	Wed, Sep 14, 2022	20.62	20.80	20.23	20.25
2047	NASDAQ	ISTR	Tue, Sep 13, 2022	20.80	21.05	20.68	20.68
2046	NASDAQ	ISTR	Mon, Sep 12, 2022	21.08	21.24	20.99	21.00
2045	NASDAQ	ISTR	Fri, Sep 9, 2022	21.00	21.42	20.95	20.95
2044	NASDAQ	ISTR	Thu, Sep 8, 2022	21.01	21.11	20.81	20.81
2043	NASDAQ	ISTR	Wed, Sep 7, 2022	21.25	21.25	20.80	20.91
2042	NASDAQ	ISTR	Tue, Sep 6, 2022	21.50	21.70	21.07	21.07
2041	NASDAQ	ISTR	Fri, Sep 2, 2022	21.52	21.70	21.50	21.57
2040	NASDAQ	ISTR	Thu, Sep 1, 2022	21.79	21.79	21.50	21.63
2039	NASDAQ	ISTR	Wed, Aug 31, 2022	21.72	21.90	21.60	21.60
2038	NASDAQ	ISTR	Tue, Aug 30, 2022	21.80	21.97	21.61	21.74
2037	NASDAQ	ISTR	Mon, Aug 29, 2022	21.91	21.91	21.80	21.80
2036	NASDAQ	ISTR	Fri, Aug 26, 2022	22.08	22.16	21.87	21.90
2035	NASDAQ	ISTR	Thu, Aug 25, 2022	22.02	22.25	22.02	22.25
2034	NASDAQ	ISTR	Wed, Aug 24, 2022	22.00	22.30	22.00	22.25
2033	NASDAQ	ISTR	Tue, Aug 23, 2022	22.25	22.26	21.99	22.09
2032	NASDAQ	ISTR	Mon, Aug 22, 2022	22.44	22.53	22.13	22.21
2031	NASDAQ	ISTR	Fri, Aug 19, 2022	22.73	22.93	22.40	22.54
2030	NASDAQ	ISTR	Thu, Aug 18, 2022	22.87	23.08	22.75	22.88
2029	NASDAQ	ISTR	Wed, Aug 17, 2022	22.96	23.21	22.65	23.02
2028	NASDAQ	ISTR	Tue, Aug 16, 2022	22.85	23.26	22.85	22.94
2027	NASDAQ	ISTR	Mon, Aug 15, 2022	22.66	22.91	22.63	22.91
2026	NASDAQ	ISTR	Fri, Aug 12, 2022	22.50	22.91	22.50	22.89
2025	NASDAQ	ISTR	Thu, Aug 11, 2022	22.35	22.65	22.10	22.49
2024	NASDAQ	ISTR	Wed, Aug 10, 2022	22.38	22.50	22.07	22.35
2023	NASDAQ	ISTR	Tue, Aug 9, 2022	22.03	22.39	22.03	22.28
2022	NASDAQ	ISTR	Mon, Aug 8, 2022	21.93	22.56	21.81	22.29
2021	NASDAQ	ISTR	Fri, Aug 5, 2022	21.83	22.69	21.83	21.93
2020	NASDAQ	ISTR	Thu, Aug 4, 2022	22.00	22.12	21.72	21.96
2019	NASDAQ	ISTR	Wed, Aug 3, 2022	22.25	22.27	22.00	22.00
2018	NASDAQ	ISTR	Tue, Aug 2, 2022	22.54	22.70	22.08	22.09
2017	NASDAQ	ISTR	Mon, Aug 1, 2022	21.96	22.72	21.79	22.47
2016	NASDAQ	ISTR	Fri, Jul 29, 2022	22.16	22.16	21.79	21.95
2015	NASDAQ	ISTR	Thu, Jul 28, 2022	23.00	23.06	22.03	22.05
2014	NASDAQ	ISTR	Wed, Jul 27, 2022	23.59	23.59	23.09	23.18
2013	NASDAQ	ISTR	Tue, Jul 26, 2022	23.70	23.72	23.26	23.54
2012	NASDAQ	ISTR	Mon, Jul 25, 2022	23.25	23.65	23.12	23.55
2011	NASDAQ	ISTR	Fri, Jul 22, 2022	22.95	23.08	22.78	23.03
2010	NASDAQ	ISTR	Thu, Jul 21, 2022	23.10	23.27	23.00	23.06
2009	NASDAQ	ISTR	Wed, Jul 20, 2022	22.76	23.26	22.68	23.26
2008	NASDAQ	ISTR	Tue, Jul 19, 2022	22.01	22.72	22.01	22.72
2007	NASDAQ	ISTR	Mon, Jul 18, 2022	21.97	22.21	21.85	22.06
2006	NASDAQ	ISTR	Fri, Jul 15, 2022	22.02	22.02	21.78	21.92
2005	NASDAQ	ISTR	Thu, Jul 14, 2022	21.91	22.04	21.75	21.92
2004	NASDAQ	ISTR	Wed, Jul 13, 2022	22.13	22.30	21.80	22.10
2003	NASDAQ	ISTR	Tue, Jul 12, 2022	22.26	22.40	22.16	22.24
2002	NASDAQ	ISTR	Mon, Jul 11, 2022	22.45	22.70	22.25	22.36
2001	NASDAQ	ISTR	Fri, Jul 8, 2022	22.58	22.80	22.29	22.54
2000	NASDAQ	ISTR	Thu, Jul 7, 2022	22.46	22.89	22.25	22.54
1999	NASDAQ	ISTR	Wed, Jul 6, 2022	22.49	22.50	22.06	22.30
1998	NASDAQ	ISTR	Tue, Jul 5, 2022	22.33	22.55	22.11	22.38
1997	NASDAQ	ISTR	Fri, Jul 1, 2022	21.89	22.37	21.85	22.37
1996	NASDAQ	ISTR	Thu, Jun 30, 2022	21.65	21.90	21.60	21.90
1995	NASDAQ	ISTR	Wed, Jun 29, 2022	21.82	21.84	21.68	21.78
1994	NASDAQ	ISTR	Tue, Jun 28, 2022	21.87	21.90	21.54	21.82
1993	NASDAQ	ISTR	Mon, Jun 27, 2022	21.78	21.88	21.60	21.87
1992	NASDAQ	ISTR	Fri, Jun 24, 2022	21.53	21.77	21.53	21.70
1991	NASDAQ	ISTR	Thu, Jun 23, 2022	21.70	21.72	21.52	21.70
1990	NASDAQ	ISTR	Wed, Jun 22, 2022	21.64	21.75	21.60	21.70
1989	NASDAQ	ISTR	Tue, Jun 21, 2022	21.53	22.00	21.53	21.65
1988	NASDAQ	ISTR	Fri, Jun 17, 2022	21.53	21.90	21.40	21.60
1987	NASDAQ	ISTR	Thu, Jun 16, 2022	21.60	21.76	21.37	21.60
1986	NASDAQ	ISTR	Wed, Jun 15, 2022	21.88	21.95	21.59	21.83
1985	NASDAQ	ISTR	Tue, Jun 14, 2022	22.25	22.25	21.42	21.78
1984	NASDAQ	ISTR	Mon, Jun 13, 2022	22.46	22.50	21.53	22.08
1983	NASDAQ	ISTR	Fri, Jun 10, 2022	22.44	22.65	22.08	22.46
1982	NASDAQ	ISTR	Thu, Jun 9, 2022	22.52	22.64	21.98	22.56
1981	NASDAQ	ISTR	Wed, Jun 8, 2022	22.52	22.65	21.71	22.56
1980	NASDAQ	ISTR	Tue, Jun 7, 2022	22.79	23.23	22.50	22.52
1979	NASDAQ	ISTR	Mon, Jun 6, 2022	22.51	23.04	22.44	22.79
1978	NASDAQ	ISTR	Fri, Jun 3, 2022	22.48	22.89	22.14	22.62
1977	NASDAQ	ISTR	Thu, Jun 2, 2022	22.11	22.48	21.83	22.35
1976	NASDAQ	ISTR	Wed, Jun 1, 2022	22.03	22.31	21.68	22.16
1975	NASDAQ	ISTR	Tue, May 31, 2022	21.73	22.10	21.38	22.10
1974	NASDAQ	ISTR	Fri, May 27, 2022	21.25	21.79	21.02	21.79
1973	NASDAQ	ISTR	Thu, May 26, 2022	20.82	21.44	20.74	21.15
1972	NASDAQ	ISTR	Wed, May 25, 2022	20.25	20.89	20.23	20.63
1971	NASDAQ	ISTR	Tue, May 24, 2022	20.05	20.24	20.05	20.24
1970	NASDAQ	ISTR	Mon, May 23, 2022	20.02	20.24	19.95	20.20
1969	NASDAQ	ISTR	Fri, May 20, 2022	20.08	20.08	19.75	19.89
1968	NASDAQ	ISTR	Thu, May 19, 2022	19.93	20.21	19.90	19.94
1967	NASDAQ	ISTR	Wed, May 18, 2022	20.15	20.24	20.06	20.06
1966	NASDAQ	ISTR	Tue, May 17, 2022	19.99	20.24	19.99	20.15
1965	NASDAQ	ISTR	Mon, May 16, 2022	19.90	20.00	19.75	19.94
1964	NASDAQ	ISTR	Fri, May 13, 2022	19.90	19.99	19.85	19.89
1963	NASDAQ	ISTR	Thu, May 12, 2022	19.93	19.93	19.80	19.90
1962	NASDAQ	ISTR	Wed, May 11, 2022	19.98	20.00	19.90	19.93
1961	NASDAQ	ISTR	Tue, May 10, 2022	19.90	20.19	19.81	20.00
1960	NASDAQ	ISTR	Mon, May 9, 2022	19.79	20.00	19.79	19.89
1959	NASDAQ	ISTR	Fri, May 6, 2022	20.00	20.00	19.92	19.98
1958	NASDAQ	ISTR	Thu, May 5, 2022	20.19	20.37	19.87	20.01
1957	NASDAQ	ISTR	Wed, May 4, 2022	20.16	20.43	20.07	20.10
1956	NASDAQ	ISTR	Tue, May 3, 2022	19.93	20.49	19.82	20.09
1955	NASDAQ	ISTR	Mon, May 2, 2022	19.72	19.98	19.71	19.93
1954	NASDAQ	ISTR	Fri, Apr 29, 2022	19.74	19.74	19.43	19.70
1953	NASDAQ	ISTR	Thu, Apr 28, 2022	19.46	19.70	19.40	19.70
1952	NASDAQ	ISTR	Wed, Apr 27, 2022	19.50	19.59	19.36	19.45
1951	NASDAQ	ISTR	Tue, Apr 26, 2022	19.55	19.70	19.35	19.45
1950	NASDAQ	ISTR	Mon, Apr 25, 2022	19.42	19.69	18.90	19.68
1949	NASDAQ	ISTR	Fri, Apr 22, 2022	19.00	19.91	18.98	19.27
1948	NASDAQ	ISTR	Thu, Apr 21, 2022	18.99	19.00	18.82	18.90
1947	NASDAQ	ISTR	Wed, Apr 20, 2022	18.94	18.98	18.72	18.85
1946	NASDAQ	ISTR	Tue, Apr 19, 2022	18.70	18.84	18.66	18.73
1945	NASDAQ	ISTR	Mon, Apr 18, 2022	18.70	18.77	18.65	18.72
1944	NASDAQ	ISTR	Thu, Apr 14, 2022	18.75	18.75	18.65	18.72
1943	NASDAQ	ISTR	Wed, Apr 13, 2022	18.75	18.75	18.75	18.75
1942	NASDAQ	ISTR	Tue, Apr 12, 2022	18.89	18.91	18.76	18.86
1941	NASDAQ	ISTR	Mon, Apr 11, 2022	18.80	18.87	18.75	18.87
1940	NASDAQ	ISTR	Fri, Apr 8, 2022	18.88	18.90	18.62	18.87
1939	NASDAQ	ISTR	Thu, Apr 7, 2022	18.80	18.95	18.75	18.87
1938	NASDAQ	ISTR	Wed, Apr 6, 2022	18.80	18.98	18.75	18.80
1937	NASDAQ	ISTR	Tue, Apr 5, 2022	19.00	19.00	18.76	18.89
1936	NASDAQ	ISTR	Mon, Apr 4, 2022	18.90	18.90	18.75	18.90
1935	NASDAQ	ISTR	Fri, Apr 1, 2022	19.10	19.10	18.91	18.92
1934	NASDAQ	ISTR	Thu, Mar 31, 2022	19.07	19.09	18.88	19.09
1933	NASDAQ	ISTR	Wed, Mar 30, 2022	19.05	19.10	18.85	19.09
1932	NASDAQ	ISTR	Tue, Mar 29, 2022	19.15	19.20	19.11	19.11
1931	NASDAQ	ISTR	Mon, Mar 28, 2022	19.20	19.20	19.05	19.15
1930	NASDAQ	ISTR	Fri, Mar 25, 2022	19.31	19.40	19.12	19.17
1929	NASDAQ	ISTR	Thu, Mar 24, 2022	19.29	19.29	19.05	19.12
1928	NASDAQ	ISTR	Wed, Mar 23, 2022	19.30	19.30	19.02	19.14
1927	NASDAQ	ISTR	Tue, Mar 22, 2022	19.49	19.52	19.32	19.32
1926	NASDAQ	ISTR	Mon, Mar 21, 2022	19.32	19.45	19.26	19.36
1925	NASDAQ	ISTR	Fri, Mar 18, 2022	19.32	19.65	19.25	19.48
1924	NASDAQ	ISTR	Thu, Mar 17, 2022	19.28	19.65	19.28	19.53
1923	NASDAQ	ISTR	Wed, Mar 16, 2022	19.61	19.65	19.46	19.55
1922	NASDAQ	ISTR	Tue, Mar 15, 2022	19.23	19.68	19.20	19.54
1921	NASDAQ	ISTR	Mon, Mar 14, 2022	19.55	19.70	19.35	19.41
1920	NASDAQ	ISTR	Fri, Mar 11, 2022	19.69	19.77	19.50	19.55
1919	NASDAQ	ISTR	Thu, Mar 10, 2022	19.69	19.79	19.37	19.59
1918	NASDAQ	ISTR	Wed, Mar 9, 2022	19.96	20.16	19.62	19.75
1917	NASDAQ	ISTR	Tue, Mar 8, 2022	19.95	20.08	19.52	19.80
1916	NASDAQ	ISTR	Mon, Mar 7, 2022	20.25	20.25	19.81	19.81
1915	NASDAQ	ISTR	Fri, Mar 4, 2022	20.45	20.45	20.06	20.38
1914	NASDAQ	ISTR	Thu, Mar 3, 2022	20.23	20.45	20.05	20.45
1913	NASDAQ	ISTR	Wed, Mar 2, 2022	20.07	20.38	20.00	20.21
1912	NASDAQ	ISTR	Tue, Mar 1, 2022	20.22	20.34	19.81	20.07
1911	NASDAQ	ISTR	Mon, Feb 28, 2022	20.29	20.35	20.17	20.35
1910	NASDAQ	ISTR	Fri, Feb 25, 2022	19.92	20.43	19.92	20.12
1909	NASDAQ	ISTR	Thu, Feb 24, 2022	20.00	20.23	19.90	20.08
1908	NASDAQ	ISTR	Wed, Feb 23, 2022	20.25	20.37	20.07	20.16
1907	NASDAQ	ISTR	Tue, Feb 22, 2022	20.04	20.39	20.00	20.12
1906	NASDAQ	ISTR	Fri, Feb 18, 2022	20.24	20.27	20.02	20.13
1905	NASDAQ	ISTR	Thu, Feb 17, 2022	20.03	20.19	20.00	20.13
1904	NASDAQ	ISTR	Wed, Feb 16, 2022	20.22	20.42	20.05	20.11
1903	NASDAQ	ISTR	Tue, Feb 15, 2022	20.37	20.38	20.00	20.02
1902	NASDAQ	ISTR	Mon, Feb 14, 2022	19.97	20.22	19.95	20.00
1901	NASDAQ	ISTR	Fri, Feb 11, 2022	19.96	19.96	19.80	19.85
1900	NASDAQ	ISTR	Thu, Feb 10, 2022	19.97	19.99	19.78	19.90
1899	NASDAQ	ISTR	Wed, Feb 9, 2022	19.85	20.00	19.75	19.80
1898	NASDAQ	ISTR	Tue, Feb 8, 2022	19.71	19.94	19.71	19.80
1897	NASDAQ	ISTR	Mon, Feb 7, 2022	19.59	19.84	19.50	19.75
1896	NASDAQ	ISTR	Fri, Feb 4, 2022	19.89	19.89	19.50	19.69
1895	NASDAQ	ISTR	Thu, Feb 3, 2022	19.32	19.83	19.15	19.60
1894	NASDAQ	ISTR	Wed, Feb 2, 2022	19.64	19.86	19.11	19.32
1893	NASDAQ	ISTR	Tue, Feb 1, 2022	19.21	19.82	19.06	19.82
1892	NASDAQ	ISTR	Mon, Jan 31, 2022	19.39	19.39	19.04	19.22
1891	NASDAQ	ISTR	Fri, Jan 28, 2022	18.50	19.43	18.50	19.10
1890	NASDAQ	ISTR	Thu, Jan 27, 2022	18.60	18.73	18.26	18.52
1889	NASDAQ	ISTR	Wed, Jan 26, 2022	18.07	18.70	18.07	18.55
1888	NASDAQ	ISTR	Tue, Jan 25, 2022	18.51	18.55	18.51	18.55
1887	NASDAQ	ISTR	Mon, Jan 24, 2022	18.50	18.80	18.40	18.43
1886	NASDAQ	ISTR	Fri, Jan 21, 2022	18.68	18.82	18.50	18.63
1885	NASDAQ	ISTR	Thu, Jan 20, 2022	19.00	19.05	18.80	18.80
1884	NASDAQ	ISTR	Wed, Jan 19, 2022	18.93	19.07	18.87	19.07
1883	NASDAQ	ISTR	Tue, Jan 18, 2022	0.00	0.00	0.00	18.89
1882	NASDAQ	ISTR	Fri, Jan 14, 2022	18.47	18.89	18.42	18.89
1881	NASDAQ	ISTR	Thu, Jan 13, 2022	0.00	0.00	0.00	18.35
1880	NASDAQ	ISTR	Wed, Jan 12, 2022	18.35	18.42	18.33	18.35
1879	NASDAQ	ISTR	Tue, Jan 11, 2022	18.26	18.45	18.25	18.25
1878	NASDAQ	ISTR	Mon, Jan 10, 2022	18.37	18.37	18.25	18.31
1877	NASDAQ	ISTR	Fri, Jan 7, 2022	18.47	18.50	18.26	18.42
1876	NASDAQ	ISTR	Thu, Jan 6, 2022	18.40	18.49	18.15	18.48
1875	NASDAQ	ISTR	Wed, Jan 5, 2022	18.33	18.45	18.33	18.33
1874	NASDAQ	ISTR	Tue, Jan 4, 2022	18.33	18.42	18.27	18.33
1873	NASDAQ	ISTR	Mon, Jan 3, 2022	18.16	18.34	18.10	18.20
1872	NASDAQ	ISTR	Fri, Dec 31, 2021	18.36	18.41	18.10	18.41
1871	NASDAQ	ISTR	Thu, Dec 30, 2021	18.10	18.37	18.10	18.26
1870	NASDAQ	ISTR	Wed, Dec 29, 2021	18.34	18.34	18.34	18.34
1869	NASDAQ	ISTR	Tue, Dec 28, 2021	17.87	18.26	17.82	18.26
1868	NASDAQ	ISTR	Mon, Dec 27, 2021	17.75	18.21	17.75	18.21
1867	NASDAQ	ISTR	Thu, Dec 23, 2021	17.50	17.84	17.48	17.75
1866	NASDAQ	ISTR	Wed, Dec 22, 2021	17.57	17.78	17.41	17.41
1865	NASDAQ	ISTR	Tue, Dec 21, 2021	17.27	17.68	17.27	17.62
1864	NASDAQ	ISTR	Mon, Dec 20, 2021	17.29	17.50	17.18	17.40
1863	NASDAQ	ISTR	Fri, Dec 17, 2021	17.50	17.58	17.08	17.50
1862	NASDAQ	ISTR	Thu, Dec 16, 2021	17.98	18.15	17.65	17.68
1861	NASDAQ	ISTR	Wed, Dec 15, 2021	17.90	18.15	17.85	18.02
1860	NASDAQ	ISTR	Tue, Dec 14, 2021	18.00	18.16	17.81	18.02
1859	NASDAQ	ISTR	Mon, Dec 13, 2021	18.13	18.29	17.88	17.95
1858	NASDAQ	ISTR	Fri, Dec 10, 2021	18.10	18.22	18.00	18.06
1857	NASDAQ	ISTR	Thu, Dec 9, 2021	18.08	18.18	17.92	17.95
1856	NASDAQ	ISTR	Wed, Dec 8, 2021	18.01	18.10	17.84	18.10
1855	NASDAQ	ISTR	Tue, Dec 7, 2021	18.15	18.25	17.95	18.13
1854	NASDAQ	ISTR	Mon, Dec 6, 2021	18.05	18.17	17.96	17.99
1853	NASDAQ	ISTR	Fri, Dec 3, 2021	17.71	18.08	17.71	17.87
1852	NASDAQ	ISTR	Thu, Dec 2, 2021	17.85	18.25	17.76	18.09
1851	NASDAQ	ISTR	Wed, Dec 1, 2021	18.09	18.09	17.55	17.66
1850	NASDAQ	ISTR	Tue, Nov 30, 2021	17.88	18.13	17.77	17.92
1849	NASDAQ	ISTR	Mon, Nov 29, 2021	18.16	18.16	17.85	17.96
1848	NASDAQ	ISTR	Fri, Nov 26, 2021	18.06	18.25	17.91	17.96
1847	NASDAQ	ISTR	Wed, Nov 24, 2021	18.27	18.28	18.05	18.23
1846	NASDAQ	ISTR	Tue, Nov 23, 2021	18.29	18.48	18.00	18.07
1845	NASDAQ	ISTR	Mon, Nov 22, 2021	18.28	18.49	18.18	18.43
1844	NASDAQ	ISTR	Fri, Nov 19, 2021	17.91	18.42	17.91	18.14
1843	NASDAQ	ISTR	Thu, Nov 18, 2021	18.25	18.25	17.87	17.99
1842	NASDAQ	ISTR	Wed, Nov 17, 2021	18.20	18.20	18.00	18.05
1841	NASDAQ	ISTR	Tue, Nov 16, 2021	18.25	18.49	18.11	18.12
1840	NASDAQ	ISTR	Mon, Nov 15, 2021	18.40	18.40	18.11	18.20
1839	NASDAQ	ISTR	Fri, Nov 12, 2021	18.26	18.40	18.25	18.38
1838	NASDAQ	ISTR	Thu, Nov 11, 2021	18.35	18.38	18.25	18.25
1837	NASDAQ	ISTR	Wed, Nov 10, 2021	18.32	18.43	18.26	18.38
1836	NASDAQ	ISTR	Tue, Nov 9, 2021	18.39	18.50	18.14	18.47
1835	NASDAQ	ISTR	Mon, Nov 8, 2021	18.51	18.60	18.43	18.54
1834	NASDAQ	ISTR	Fri, Nov 5, 2021	18.33	18.60	18.30	18.43
1833	NASDAQ	ISTR	Thu, Nov 4, 2021	18.43	18.43	18.30	18.37
1832	NASDAQ	ISTR	Wed, Nov 3, 2021	18.65	18.65	18.30	18.52
1831	NASDAQ	ISTR	Tue, Nov 2, 2021	18.63	18.70	18.25	18.44
1830	NASDAQ	ISTR	Mon, Nov 1, 2021	18.84	18.85	18.60	18.68
1829	NASDAQ	ISTR	Fri, Oct 29, 2021	18.50	18.81	18.40	18.70
1828	NASDAQ	ISTR	Thu, Oct 28, 2021	18.65	18.65	18.14	18.48
1827	NASDAQ	ISTR	Wed, Oct 27, 2021	18.68	18.69	18.12	18.43
1826	NASDAQ	ISTR	Tue, Oct 26, 2021	18.55	18.85	18.53	18.69
1825	NASDAQ	ISTR	Mon, Oct 25, 2021	18.73	18.79	18.67	18.71
1824	NASDAQ	ISTR	Fri, Oct 22, 2021	18.72	18.90	18.58	18.60
1823	NASDAQ	ISTR	Thu, Oct 21, 2021	18.53	18.85	18.52	18.75
1822	NASDAQ	ISTR	Wed, Oct 20, 2021	18.60	18.68	18.46	18.68
1821	NASDAQ	ISTR	Tue, Oct 19, 2021	18.51	18.72	18.51	18.68
1820	NASDAQ	ISTR	Mon, Oct 18, 2021	18.21	18.82	18.21	18.51
1819	NASDAQ	ISTR	Fri, Oct 15, 2021	19.54	20.41	18.11	18.27
1818	NASDAQ	ISTR	Thu, Oct 14, 2021	21.53	21.68	21.07	21.24
1817	NASDAQ	ISTR	Wed, Oct 13, 2021	21.26	21.63	21.26	21.57
1816	NASDAQ	ISTR	Tue, Oct 12, 2021	21.45	21.50	21.08	21.15
1815	NASDAQ	ISTR	Mon, Oct 11, 2021	21.65	21.73	21.26	21.55
1814	NASDAQ	ISTR	Fri, Oct 8, 2021	22.41	22.41	21.37	21.68
1813	NASDAQ	ISTR	Thu, Oct 7, 2021	21.88	21.92	21.80	21.85
1812	NASDAQ	ISTR	Wed, Oct 6, 2021	21.95	21.97	21.57	21.70
1811	NASDAQ	ISTR	Tue, Oct 5, 2021	22.01	22.18	21.83	22.02
1810	NASDAQ	ISTR	Mon, Oct 4, 2021	22.47	22.47	21.95	21.99
1809	NASDAQ	ISTR	Fri, Oct 1, 2021	21.82	22.42	21.76	21.88
1808	NASDAQ	ISTR	Thu, Sep 30, 2021	21.95	22.21	21.85	22.02
1807	NASDAQ	ISTR	Wed, Sep 29, 2021	21.99	22.01	21.65	21.84
1806	NASDAQ	ISTR	Tue, Sep 28, 2021	21.77	21.92	21.53	21.87
1805	NASDAQ	ISTR	Mon, Sep 27, 2021	21.70	21.90	21.58	21.79
1804	NASDAQ	ISTR	Fri, Sep 24, 2021	21.72	22.07	21.48	21.65
1803	NASDAQ	ISTR	Thu, Sep 23, 2021	21.71	21.89	21.28	21.65
1802	NASDAQ	ISTR	Wed, Sep 22, 2021	22.42	22.42	21.65	21.87
1801	NASDAQ	ISTR	Tue, Sep 21, 2021	21.72	21.82	21.38	21.49
1800	NASDAQ	ISTR	Mon, Sep 20, 2021	21.35	21.63	21.14	21.50
1799	NASDAQ	ISTR	Fri, Sep 17, 2021	21.41	21.65	21.26	21.65
1798	NASDAQ	ISTR	Thu, Sep 16, 2021	21.55	21.68	21.45	21.52
1797	NASDAQ	ISTR	Wed, Sep 15, 2021	21.45	21.72	21.09	21.72
1796	NASDAQ	ISTR	Tue, Sep 14, 2021	21.45	21.45	21.08	21.09
1795	NASDAQ	ISTR	Mon, Sep 13, 2021	22.56	22.56	21.50	21.57
1794	NASDAQ	ISTR	Fri, Sep 10, 2021	22.24	22.24	21.66	21.71
1793	NASDAQ	ISTR	Thu, Sep 9, 2021	22.01	22.25	21.87	21.92
1792	NASDAQ	ISTR	Wed, Sep 8, 2021	22.90	22.90	22.04	22.20
1791	NASDAQ	ISTR	Tue, Sep 7, 2021	22.50	22.56	22.25	22.30
1790	NASDAQ	ISTR	Fri, Sep 3, 2021	22.55	22.68	22.44	22.48
1789	NASDAQ	ISTR	Thu, Sep 2, 2021	22.75	22.75	22.52	22.53
1788	NASDAQ	ISTR	Wed, Sep 1, 2021	22.56	22.81	22.48	22.67
1787	NASDAQ	ISTR	Tue, Aug 31, 2021	22.46	22.63	22.40	22.49
1786	NASDAQ	ISTR	Mon, Aug 30, 2021	22.55	22.55	22.38	22.46
1785	NASDAQ	ISTR	Fri, Aug 27, 2021	22.54	22.73	22.50	22.55
1784	NASDAQ	ISTR	Thu, Aug 26, 2021	22.44	22.52	22.40	22.49
1783	NASDAQ	ISTR	Wed, Aug 25, 2021	22.55	22.57	22.36	22.47
1782	NASDAQ	ISTR	Tue, Aug 24, 2021	22.66	22.66	22.31	22.40
1781	NASDAQ	ISTR	Mon, Aug 23, 2021	22.40	22.40	22.26	22.35
1780	NASDAQ	ISTR	Fri, Aug 20, 2021	22.30	22.49	22.17	22.33
1779	NASDAQ	ISTR	Thu, Aug 19, 2021	22.01	22.30	22.00	22.30
1778	NASDAQ	ISTR	Wed, Aug 18, 2021	22.51	22.73	22.04	22.20
1777	NASDAQ	ISTR	Tue, Aug 17, 2021	22.64	22.75	22.44	22.63
1776	NASDAQ	ISTR	Mon, Aug 16, 2021	22.50	22.99	22.50	22.83
1775	NASDAQ	ISTR	Fri, Aug 13, 2021	23.00	23.00	22.64	22.68
1774	NASDAQ	ISTR	Thu, Aug 12, 2021	23.15	23.20	22.90	23.00
1773	NASDAQ	ISTR	Wed, Aug 11, 2021	22.85	23.23	22.81	23.22
1772	NASDAQ	ISTR	Tue, Aug 10, 2021	22.62	22.82	22.33	22.75
1771	NASDAQ	ISTR	Mon, Aug 9, 2021	22.49	22.90	22.18	22.62
1770	NASDAQ	ISTR	Fri, Aug 6, 2021	22.47	22.73	22.29	22.58
1769	NASDAQ	ISTR	Thu, Aug 5, 2021	22.12	22.59	22.00	22.40
1768	NASDAQ	ISTR	Wed, Aug 4, 2021	22.11	22.52	22.03	22.13
1767	NASDAQ	ISTR	Tue, Aug 3, 2021	22.45	22.59	22.07	22.16
1766	NASDAQ	ISTR	Mon, Aug 2, 2021	22.00	22.75	21.83	22.45
1765	NASDAQ	ISTR	Fri, Jul 30, 2021	22.16	22.25	21.71	21.95
1764	NASDAQ	ISTR	Thu, Jul 29, 2021	21.65	22.35	21.50	22.09
1763	NASDAQ	ISTR	Wed, Jul 28, 2021	21.72	21.72	21.53	21.57
1762	NASDAQ	ISTR	Tue, Jul 27, 2021	21.40	21.82	21.40	21.48
1761	NASDAQ	ISTR	Mon, Jul 26, 2021	21.62	22.00	21.40	21.52
1760	NASDAQ	ISTR	Fri, Jul 23, 2021	22.00	22.25	21.56	21.75
1759	NASDAQ	ISTR	Thu, Jul 22, 2021	22.26	22.38	21.75	22.05
1758	NASDAQ	ISTR	Wed, Jul 21, 2021	22.43	22.71	22.34	22.34
1757	NASDAQ	ISTR	Tue, Jul 20, 2021	22.00	22.86	21.99	22.10
1756	NASDAQ	ISTR	Mon, Jul 19, 2021	22.18	22.47	21.92	22.00
1755	NASDAQ	ISTR	Fri, Jul 16, 2021	22.83	22.98	22.49	22.56
1754	NASDAQ	ISTR	Thu, Jul 15, 2021	22.58	22.88	22.57	22.67
1753	NASDAQ	ISTR	Wed, Jul 14, 2021	22.66	22.85	22.56	22.76
1752	NASDAQ	ISTR	Tue, Jul 13, 2021	22.40	22.75	22.27	22.57
1751	NASDAQ	ISTR	Mon, Jul 12, 2021	22.50	22.56	22.26	22.40
1750	NASDAQ	ISTR	Fri, Jul 9, 2021	22.02	23.12	22.02	22.56
1749	NASDAQ	ISTR	Thu, Jul 8, 2021	22.24	22.44	21.73	21.82
1748	NASDAQ	ISTR	Wed, Jul 7, 2021	22.74	22.74	22.36	22.57
1747	NASDAQ	ISTR	Tue, Jul 6, 2021	23.05	23.05	22.59	22.69
1746	NASDAQ	ISTR	Fri, Jul 2, 2021	23.09	23.51	22.76	23.01
1745	NASDAQ	ISTR	Thu, Jul 1, 2021	22.97	23.37	22.86	23.16
1744	NASDAQ	ISTR	Wed, Jun 30, 2021	22.30	22.92	22.30	22.89
1743	NASDAQ	ISTR	Tue, Jun 29, 2021	22.44	22.60	22.44	22.46
1742	NASDAQ	ISTR	Mon, Jun 28, 2021	22.46	23.03	22.34	22.49
1741	NASDAQ	ISTR	Fri, Jun 25, 2021	22.29	22.48	21.86	22.35
1740	NASDAQ	ISTR	Thu, Jun 24, 2021	22.37	22.48	21.99	22.27
1739	NASDAQ	ISTR	Wed, Jun 23, 2021	22.50	22.53	22.22	22.29
1738	NASDAQ	ISTR	Tue, Jun 22, 2021	22.30	22.67	22.11	22.46
1737	NASDAQ	ISTR	Mon, Jun 21, 2021	22.22	22.46	22.17	22.22
1736	NASDAQ	ISTR	Fri, Jun 18, 2021	22.08	22.35	22.04	22.16
1735	NASDAQ	ISTR	Thu, Jun 17, 2021	22.95	22.95	22.16	22.34
1734	NASDAQ	ISTR	Wed, Jun 16, 2021	22.67	22.87	22.42	22.81
1733	NASDAQ	ISTR	Tue, Jun 15, 2021	22.64	22.78	22.47	22.67
1732	NASDAQ	ISTR	Mon, Jun 14, 2021	22.65	22.83	22.27	22.61
1731	NASDAQ	ISTR	Fri, Jun 11, 2021	23.04	23.18	22.79	22.86
1730	NASDAQ	ISTR	Thu, Jun 10, 2021	23.45	23.45	23.08	23.10
1729	NASDAQ	ISTR	Wed, Jun 9, 2021	23.50	23.60	23.32	23.44
1728	NASDAQ	ISTR	Tue, Jun 8, 2021	23.51	23.69	23.32	23.63
1727	NASDAQ	ISTR	Mon, Jun 7, 2021	23.65	23.65	23.39	23.59
1726	NASDAQ	ISTR	Fri, Jun 4, 2021	23.57	23.65	23.41	23.60
1725	NASDAQ	ISTR	Thu, Jun 3, 2021	22.91	23.50	22.89	23.47
1724	NASDAQ	ISTR	Wed, Jun 2, 2021	22.88	23.35	22.79	23.03
1723	NASDAQ	ISTR	Tue, Jun 1, 2021	22.61	23.00	22.56	22.88
1722	NASDAQ	ISTR	Fri, May 28, 2021	22.39	22.60	22.29	22.58
1721	NASDAQ	ISTR	Thu, May 27, 2021	22.43	22.62	22.25	22.54
1720	NASDAQ	ISTR	Wed, May 26, 2021	22.13	22.38	22.13	22.38
1719	NASDAQ	ISTR	Tue, May 25, 2021	22.89	22.89	22.11	22.13
1718	NASDAQ	ISTR	Mon, May 24, 2021	22.74	22.94	22.69	22.72
1717	NASDAQ	ISTR	Fri, May 21, 2021	22.97	22.97	22.67	22.79
1716	NASDAQ	ISTR	Thu, May 20, 2021	22.42	22.89	22.05	22.79
1715	NASDAQ	ISTR	Wed, May 19, 2021	22.28	22.46	22.00	22.31
1714	NASDAQ	ISTR	Tue, May 18, 2021	22.45	22.65	22.35	22.50
1713	NASDAQ	ISTR	Mon, May 17, 2021	22.50	22.60	22.38	22.54
1712	NASDAQ	ISTR	Fri, May 14, 2021	22.45	22.68	22.16	22.50
1711	NASDAQ	ISTR	Thu, May 13, 2021	22.12	22.43	21.99	22.39
1710	NASDAQ	ISTR	Wed, May 12, 2021	22.19	22.25	21.97	22.11
1709	NASDAQ	ISTR	Tue, May 11, 2021	21.61	22.30	21.61	22.25
1708	NASDAQ	ISTR	Mon, May 10, 2021	21.99	22.18	21.85	21.86
1707	NASDAQ	ISTR	Fri, May 7, 2021	21.71	21.96	21.71	21.87
1706	NASDAQ	ISTR	Thu, May 6, 2021	21.90	22.15	21.63	21.90
1705	NASDAQ	ISTR	Wed, May 5, 2021	21.95	22.25	21.66	21.95
1704	NASDAQ	ISTR	Tue, May 4, 2021	22.00	22.15	21.94	22.02
1703	NASDAQ	ISTR	Mon, May 3, 2021	22.24	22.24	21.86	22.10
1702	NASDAQ	ISTR	Fri, Apr 30, 2021	22.02	22.19	21.67	22.11
1701	NASDAQ	ISTR	Thu, Apr 29, 2021	21.98	22.20	21.84	22.10
1700	NASDAQ	ISTR	Wed, Apr 28, 2021	21.96	21.97	21.56	21.85
1699	NASDAQ	ISTR	Tue, Apr 27, 2021	21.76	21.85	21.56	21.81
1698	NASDAQ	ISTR	Mon, Apr 26, 2021	21.49	21.70	21.31	21.60
1697	NASDAQ	ISTR	Fri, Apr 23, 2021	21.15	21.55	21.15	21.45
1696	NASDAQ	ISTR	Thu, Apr 22, 2021	21.07	21.10	20.57	21.00
1695	NASDAQ	ISTR	Wed, Apr 21, 2021	21.06	21.15	20.85	21.05
1694	NASDAQ	ISTR	Tue, Apr 20, 2021	21.16	21.53	20.84	21.06
1693	NASDAQ	ISTR	Mon, Apr 19, 2021	21.22	21.27	20.62	20.96
1692	NASDAQ	ISTR	Fri, Apr 16, 2021	21.48	21.48	20.86	21.15
1691	NASDAQ	ISTR	Thu, Apr 15, 2021	21.00	21.23	20.62	21.23
1690	NASDAQ	ISTR	Wed, Apr 14, 2021	20.70	20.90	20.70	20.89
1689	NASDAQ	ISTR	Tue, Apr 13, 2021	20.85	20.95	20.52	20.62
1688	NASDAQ	ISTR	Mon, Apr 12, 2021	20.85	20.98	20.37	20.87
1687	NASDAQ	ISTR	Fri, Apr 9, 2021	20.65	20.93	20.61	20.88
1686	NASDAQ	ISTR	Thu, Apr 8, 2021	20.48	20.64	20.45	20.60
1685	NASDAQ	ISTR	Wed, Apr 7, 2021	20.90	20.90	20.30	20.46
1684	NASDAQ	ISTR	Tue, Apr 6, 2021	20.81	20.96	20.60	20.81
1683	NASDAQ	ISTR	Mon, Apr 5, 2021	21.00	21.00	20.62	20.68
1682	NASDAQ	ISTR	Thu, Apr 1, 2021	20.57	20.90	20.50	20.72
1681	NASDAQ	ISTR	Wed, Mar 31, 2021	20.93	21.40	20.51	20.55
1680	NASDAQ	ISTR	Tue, Mar 30, 2021	20.66	21.10	20.61	20.93
1679	NASDAQ	ISTR	Mon, Mar 29, 2021	20.25	20.79	20.00	20.64
1678	NASDAQ	ISTR	Fri, Mar 26, 2021	21.16	21.16	20.56	20.69
1677	NASDAQ	ISTR	Thu, Mar 25, 2021	20.52	21.57	20.31	21.12
1676	NASDAQ	ISTR	Wed, Mar 24, 2021	21.07	21.69	20.32	20.52
1675	NASDAQ	ISTR	Tue, Mar 23, 2021	21.10	21.32	20.71	20.82
1674	NASDAQ	ISTR	Mon, Mar 22, 2021	21.33	21.75	20.90	21.29
1673	NASDAQ	ISTR	Fri, Mar 19, 2021	21.85	21.85	21.12	21.46
1672	NASDAQ	ISTR	Thu, Mar 18, 2021	21.33	21.81	21.15	21.36
1671	NASDAQ	ISTR	Wed, Mar 17, 2021	21.61	22.00	21.00	21.15
1670	NASDAQ	ISTR	Tue, Mar 16, 2021	22.00	22.10	20.75	21.73
1669	NASDAQ	ISTR	Mon, Mar 15, 2021	22.34	23.45	21.35	22.07
1668	NASDAQ	ISTR	Fri, Mar 12, 2021	21.90	22.45	21.39	21.79
1667	NASDAQ	ISTR	Thu, Mar 11, 2021	21.41	21.82	21.07	21.78
1666	NASDAQ	ISTR	Wed, Mar 10, 2021	20.87	21.46	20.62	21.41
1665	NASDAQ	ISTR	Tue, Mar 9, 2021	20.95	21.00	20.66	20.96
1664	NASDAQ	ISTR	Mon, Mar 8, 2021	20.18	21.15	20.18	20.95
1663	NASDAQ	ISTR	Fri, Mar 5, 2021	19.75	20.74	19.41	20.30
1662	NASDAQ	ISTR	Thu, Mar 4, 2021	19.81	20.00	18.88	19.35
1661	NASDAQ	ISTR	Wed, Mar 3, 2021	19.28	19.87	19.13	19.71
1660	NASDAQ	ISTR	Tue, Mar 2, 2021	19.05	19.41	19.00	19.00
1659	NASDAQ	ISTR	Mon, Mar 1, 2021	19.30	19.60	18.66	19.16
1658	NASDAQ	ISTR	Fri, Feb 26, 2021	19.01	19.67	18.91	19.20
1657	NASDAQ	ISTR	Thu, Feb 25, 2021	20.39	20.39	19.02	19.05
1656	NASDAQ	ISTR	Wed, Feb 24, 2021	19.67	20.50	19.52	20.33
1655	NASDAQ	ISTR	Tue, Feb 23, 2021	19.11	19.94	18.77	19.38
1654	NASDAQ	ISTR	Mon, Feb 22, 2021	18.07	19.20	17.94	19.03
1653	NASDAQ	ISTR	Fri, Feb 19, 2021	17.16	18.32	17.16	18.32
1652	NASDAQ	ISTR	Thu, Feb 18, 2021	17.19	17.43	17.05	17.16
1651	NASDAQ	ISTR	Wed, Feb 17, 2021	17.37	17.74	17.02	17.29
1650	NASDAQ	ISTR	Tue, Feb 16, 2021	17.58	17.68	17.26	17.32
1649	NASDAQ	ISTR	Fri, Feb 12, 2021	17.26	17.74	16.96	17.56
1648	NASDAQ	ISTR	Thu, Feb 11, 2021	17.99	18.07	17.16	17.41
1647	NASDAQ	ISTR	Wed, Feb 10, 2021	18.24	18.24	17.64	18.00
1646	NASDAQ	ISTR	Tue, Feb 9, 2021	17.96	18.18	17.74	18.11
1645	NASDAQ	ISTR	Mon, Feb 8, 2021	17.81	17.96	17.71	17.96
1644	NASDAQ	ISTR	Fri, Feb 5, 2021	17.69	17.80	17.29	17.80
1643	NASDAQ	ISTR	Thu, Feb 4, 2021	17.01	17.49	16.98	17.44
1642	NASDAQ	ISTR	Wed, Feb 3, 2021	17.43	17.43	16.78	17.04
1641	NASDAQ	ISTR	Tue, Feb 2, 2021	16.68	17.67	16.66	17.25
1640	NASDAQ	ISTR	Mon, Feb 1, 2021	16.11	16.90	15.75	16.40
1639	NASDAQ	ISTR	Fri, Jan 29, 2021	16.39	16.39	15.84	16.13
1638	NASDAQ	ISTR	Thu, Jan 28, 2021	16.40	17.20	16.06	16.30
1637	NASDAQ	ISTR	Wed, Jan 27, 2021	16.36	16.76	15.66	15.86
1636	NASDAQ	ISTR	Tue, Jan 26, 2021	17.35	17.50	16.60	16.69
1635	NASDAQ	ISTR	Mon, Jan 25, 2021	17.48	17.48	16.84	17.26
1634	NASDAQ	ISTR	Fri, Jan 22, 2021	16.80	17.76	16.80	17.76
1633	NASDAQ	ISTR	Thu, Jan 21, 2021	16.85	16.92	16.80	16.80
1632	NASDAQ	ISTR	Wed, Jan 20, 2021	16.90	17.18	16.85	16.85
1631	NASDAQ	ISTR	Tue, Jan 19, 2021	17.19	17.63	16.61	16.99
1630	NASDAQ	ISTR	Fri, Jan 15, 2021	17.27	17.40	16.96	16.97
1629	NASDAQ	ISTR	Thu, Jan 14, 2021	17.39	17.60	17.39	17.48
1628	NASDAQ	ISTR	Wed, Jan 13, 2021	17.48	17.57	17.26	17.28
1627	NASDAQ	ISTR	Tue, Jan 12, 2021	18.00	18.00	17.44	17.68
1626	NASDAQ	ISTR	Mon, Jan 11, 2021	17.42	17.95	17.36	17.40
1625	NASDAQ	ISTR	Fri, Jan 8, 2021	17.65	17.81	17.56	17.70
1624	NASDAQ	ISTR	Thu, Jan 7, 2021	18.64	19.04	18.42	18.42
1623	NASDAQ	ISTR	Wed, Jan 6, 2021	16.75	19.00	16.75	18.48
1622	NASDAQ	ISTR	Tue, Jan 5, 2021	16.50	16.89	16.50	16.50
1621	NASDAQ	ISTR	Mon, Jan 4, 2021	16.72	16.86	16.50	16.50
1620	NASDAQ	ISTR	Thu, Dec 31, 2020	16.95	16.95	16.54	16.54
1619	NASDAQ	ISTR	Wed, Dec 30, 2020	16.53	17.05	16.52	17.00
1618	NASDAQ	ISTR	Tue, Dec 29, 2020	16.91	16.91	16.61	16.61
1617	NASDAQ	ISTR	Mon, Dec 28, 2020	16.85	17.27	16.66	16.91
1616	NASDAQ	ISTR	Thu, Dec 24, 2020	16.65	17.00	16.62	16.62
1615	NASDAQ	ISTR	Wed, Dec 23, 2020	16.92	16.95	16.71	16.83
1614	NASDAQ	ISTR	Tue, Dec 22, 2020	17.04	17.04	16.55	16.75
1613	NASDAQ	ISTR	Mon, Dec 21, 2020	16.59	17.16	16.59	16.85
1612	NASDAQ	ISTR	Fri, Dec 18, 2020	17.07	17.07	16.53	16.55
1611	NASDAQ	ISTR	Thu, Dec 17, 2020	16.75	16.96	16.65	16.96
1610	NASDAQ	ISTR	Wed, Dec 16, 2020	16.88	17.03	16.71	16.72
1609	NASDAQ	ISTR	Tue, Dec 15, 2020	16.65	17.35	16.65	17.10
1608	NASDAQ	ISTR	Mon, Dec 14, 2020	17.24	17.24	16.75	16.77
1607	NASDAQ	ISTR	Fri, Dec 11, 2020	17.07	17.29	16.92	17.17
1606	NASDAQ	ISTR	Thu, Dec 10, 2020	16.40	17.36	16.40	17.32
1605	NASDAQ	ISTR	Wed, Dec 9, 2020	16.74	16.97	16.56	16.74
1604	NASDAQ	ISTR	Tue, Dec 8, 2020	16.43	16.95	16.43	16.85
1603	NASDAQ	ISTR	Mon, Dec 7, 2020	16.59	16.68	16.59	16.63
1602	NASDAQ	ISTR	Fri, Dec 4, 2020	16.70	17.04	16.39	16.97
1601	NASDAQ	ISTR	Thu, Dec 3, 2020	16.60	16.64	16.29	16.39
1600	NASDAQ	ISTR	Wed, Dec 2, 2020	16.53	16.71	16.15	16.31
1599	NASDAQ	ISTR	Tue, Dec 1, 2020	16.51	16.73	16.09	16.28
1598	NASDAQ	ISTR	Mon, Nov 30, 2020	16.91	16.91	16.20	16.26
1597	NASDAQ	ISTR	Fri, Nov 27, 2020	16.90	17.04	16.31	17.04
1596	NASDAQ	ISTR	Wed, Nov 25, 2020	16.93	16.97	16.73	16.90
1595	NASDAQ	ISTR	Tue, Nov 24, 2020	16.48	17.39	16.25	17.20
1594	NASDAQ	ISTR	Mon, Nov 23, 2020	16.02	16.33	16.02	16.13
1593	NASDAQ	ISTR	Fri, Nov 20, 2020	16.13	16.13	15.64	15.97
1592	NASDAQ	ISTR	Thu, Nov 19, 2020	15.94	16.68	15.94	16.38
1591	NASDAQ	ISTR	Wed, Nov 18, 2020	16.60	16.70	16.16	16.41
1590	NASDAQ	ISTR	Tue, Nov 17, 2020	16.56	16.80	15.68	16.64
1589	NASDAQ	ISTR	Mon, Nov 16, 2020	16.29	16.85	16.29	16.59
1588	NASDAQ	ISTR	Fri, Nov 13, 2020	15.99	16.05	15.73	15.85
1587	NASDAQ	ISTR	Thu, Nov 12, 2020	15.90	16.24	15.58	15.76
1586	NASDAQ	ISTR	Wed, Nov 11, 2020	14.86	16.48	14.81	16.36
1585	NASDAQ	ISTR	Tue, Nov 10, 2020	15.00	15.80	14.51	15.00
1584	NASDAQ	ISTR	Mon, Nov 9, 2020	14.32	15.25	13.88	14.80
1583	NASDAQ	ISTR	Fri, Nov 6, 2020	14.02	14.02	13.16	13.16
1582	NASDAQ	ISTR	Thu, Nov 5, 2020	14.06	14.06	13.60	13.86
1581	NASDAQ	ISTR	Wed, Nov 4, 2020	14.10	14.45	13.84	14.06
1580	NASDAQ	ISTR	Tue, Nov 3, 2020	14.35	14.65	14.17	14.52
1579	NASDAQ	ISTR	Mon, Nov 2, 2020	14.04	14.43	13.97	14.29
1578	NASDAQ	ISTR	Fri, Oct 30, 2020	13.00	13.99	12.92	13.94
1577	NASDAQ	ISTR	Thu, Oct 29, 2020	13.43	13.43	12.51	13.10
1576	NASDAQ	ISTR	Wed, Oct 28, 2020	13.40	13.84	13.19	13.40
1575	NASDAQ	ISTR	Tue, Oct 27, 2020	13.70	13.82	13.51	13.55
1574	NASDAQ	ISTR	Mon, Oct 26, 2020	14.15	14.23	13.26	13.53
1573	NASDAQ	ISTR	Fri, Oct 23, 2020	14.54	14.54	14.15	14.18
1572	NASDAQ	ISTR	Thu, Oct 22, 2020	13.60	14.38	13.58	14.01
1571	NASDAQ	ISTR	Wed, Oct 21, 2020	13.88	13.96	13.44	13.56
1570	NASDAQ	ISTR	Tue, Oct 20, 2020	14.00	14.00	13.74	13.80
1569	NASDAQ	ISTR	Mon, Oct 19, 2020	13.80	14.34	13.80	13.83
1568	NASDAQ	ISTR	Fri, Oct 16, 2020	13.73	14.18	13.65	13.94
1567	NASDAQ	ISTR	Thu, Oct 15, 2020	13.60	13.84	13.56	13.84
1566	NASDAQ	ISTR	Wed, Oct 14, 2020	14.05	14.46	13.81	13.81
1565	NASDAQ	ISTR	Tue, Oct 13, 2020	13.70	14.17	13.55	13.97
1564	NASDAQ	ISTR	Mon, Oct 12, 2020	14.13	14.64	13.76	13.81
1563	NASDAQ	ISTR	Fri, Oct 9, 2020	14.53	14.53	13.95	14.20
1562	NASDAQ	ISTR	Thu, Oct 8, 2020	14.51	14.65	14.02	14.45
1561	NASDAQ	ISTR	Wed, Oct 7, 2020	13.81	14.40	13.77	14.35
1560	NASDAQ	ISTR	Tue, Oct 6, 2020	14.05	14.15	13.33	13.49
1559	NASDAQ	ISTR	Mon, Oct 5, 2020	13.00	13.99	13.00	13.99
1558	NASDAQ	ISTR	Fri, Oct 2, 2020	12.83	13.10	12.65	12.96
1557	NASDAQ	ISTR	Thu, Oct 1, 2020	12.93	13.57	12.67	12.86
1556	NASDAQ	ISTR	Wed, Sep 30, 2020	13.00	13.27	12.60	12.82
1555	NASDAQ	ISTR	Tue, Sep 29, 2020	13.00	13.00	12.54	12.99
1554	NASDAQ	ISTR	Mon, Sep 28, 2020	12.66	13.00	12.66	12.94
1553	NASDAQ	ISTR	Fri, Sep 25, 2020	12.50	13.02	12.40	12.60
1552	NASDAQ	ISTR	Thu, Sep 24, 2020	12.56	12.56	12.45	12.46
1551	NASDAQ	ISTR	Wed, Sep 23, 2020	12.69	12.69	12.50	12.52
1550	NASDAQ	ISTR	Tue, Sep 22, 2020	12.88	12.88	12.42	12.70
1549	NASDAQ	ISTR	Mon, Sep 21, 2020	13.54	13.60	12.76	12.81
1548	NASDAQ	ISTR	Fri, Sep 18, 2020	13.93	13.94	13.51	13.60
1547	NASDAQ	ISTR	Thu, Sep 17, 2020	13.66	13.97	13.62	13.84
1546	NASDAQ	ISTR	Wed, Sep 16, 2020	13.89	13.96	13.65	13.88
1545	NASDAQ	ISTR	Tue, Sep 15, 2020	13.80	13.90	13.80	13.81
1544	NASDAQ	ISTR	Mon, Sep 14, 2020	13.83	13.88	13.75	13.82
1543	NASDAQ	ISTR	Fri, Sep 11, 2020	13.90	13.93	13.72	13.75
1542	NASDAQ	ISTR	Thu, Sep 10, 2020	13.90	14.02	13.90	13.91
1541	NASDAQ	ISTR	Wed, Sep 9, 2020	13.95	14.01	13.89	13.89
1540	NASDAQ	ISTR	Tue, Sep 8, 2020	13.95	14.08	13.81	13.95
1539	NASDAQ	ISTR	Fri, Sep 4, 2020	14.14	14.15	13.95	13.98
1538	NASDAQ	ISTR	Thu, Sep 3, 2020	14.07	14.25	13.96	14.09
1537	NASDAQ	ISTR	Wed, Sep 2, 2020	13.90	14.12	13.80	14.09
1536	NASDAQ	ISTR	Tue, Sep 1, 2020	13.68	13.95	13.68	13.95
1535	NASDAQ	ISTR	Mon, Aug 31, 2020	14.05	14.08	13.60	13.60
1534	NASDAQ	ISTR	Fri, Aug 28, 2020	14.01	14.12	13.89	14.00
1533	NASDAQ	ISTR	Thu, Aug 27, 2020	13.78	14.16	13.66	13.93
1532	NASDAQ	ISTR	Wed, Aug 26, 2020	13.90	14.00	13.65	13.65
1531	NASDAQ	ISTR	Tue, Aug 25, 2020	13.92	14.06	13.85	13.88
1530	NASDAQ	ISTR	Mon, Aug 24, 2020	13.71	13.93	13.70	13.72
1529	NASDAQ	ISTR	Fri, Aug 21, 2020	13.80	13.82	13.55	13.55
1528	NASDAQ	ISTR	Thu, Aug 20, 2020	13.65	13.94	13.65	13.81
1527	NASDAQ	ISTR	Wed, Aug 19, 2020	13.89	14.24	13.85	13.87
1526	NASDAQ	ISTR	Tue, Aug 18, 2020	14.14	14.25	13.71	13.72
1525	NASDAQ	ISTR	Mon, Aug 17, 2020	14.02	14.34	14.00	14.05
1524	NASDAQ	ISTR	Fri, Aug 14, 2020	14.15	14.16	13.75	14.10
1523	NASDAQ	ISTR	Thu, Aug 13, 2020	14.23	14.31	14.11	14.11
1522	NASDAQ	ISTR	Wed, Aug 12, 2020	14.34	14.50	14.02	14.19
1521	NASDAQ	ISTR	Tue, Aug 11, 2020	14.25	14.48	13.36	14.03
1520	NASDAQ	ISTR	Mon, Aug 10, 2020	14.18	14.25	13.93	13.95
1519	NASDAQ	ISTR	Fri, Aug 7, 2020	13.66	14.24	13.66	14.15
1518	NASDAQ	ISTR	Thu, Aug 6, 2020	13.84	13.84	13.60	13.68
1517	NASDAQ	ISTR	Wed, Aug 5, 2020	13.57	14.12	13.57	14.12
1516	NASDAQ	ISTR	Tue, Aug 4, 2020	13.34	13.58	13.20	13.39
1515	NASDAQ	ISTR	Mon, Aug 3, 2020	13.46	14.73	13.23	13.40
1514	NASDAQ	ISTR	Fri, Jul 31, 2020	13.45	14.11	13.10	13.33
1513	NASDAQ	ISTR	Thu, Jul 30, 2020	13.93	14.25	13.38	13.38
1512	NASDAQ	ISTR	Wed, Jul 29, 2020	13.44	14.37	13.30	14.12
1511	NASDAQ	ISTR	Tue, Jul 28, 2020	13.52	13.52	13.32	13.32
1510	NASDAQ	ISTR	Mon, Jul 27, 2020	13.69	14.02	13.45	13.69
1509	NASDAQ	ISTR	Fri, Jul 24, 2020	13.75	13.76	13.65	13.65
1508	NASDAQ	ISTR	Thu, Jul 23, 2020	13.57	13.80	13.57	13.60
1507	NASDAQ	ISTR	Wed, Jul 22, 2020	13.92	14.21	13.38	13.71
1506	NASDAQ	ISTR	Tue, Jul 21, 2020	13.52	14.17	13.52	14.17
1505	NASDAQ	ISTR	Mon, Jul 20, 2020	13.27	13.43	13.27	13.32
1504	NASDAQ	ISTR	Fri, Jul 17, 2020	13.86	13.86	13.13	13.13
1503	NASDAQ	ISTR	Thu, Jul 16, 2020	14.02	14.31	13.02	13.89
1502	NASDAQ	ISTR	Wed, Jul 15, 2020	13.73	14.55	13.73	14.20
1501	NASDAQ	ISTR	Tue, Jul 14, 2020	13.27	13.36	13.06	13.30
1500	NASDAQ	ISTR	Mon, Jul 13, 2020	13.38	13.38	12.69	13.22
1499	NASDAQ	ISTR	Fri, Jul 10, 2020	12.44	13.33	12.44	13.31
1498	NASDAQ	ISTR	Thu, Jul 9, 2020	13.10	13.26	12.35	12.68
1497	NASDAQ	ISTR	Wed, Jul 8, 2020	13.51	13.63	13.03	13.12
1496	NASDAQ	ISTR	Tue, Jul 7, 2020	14.21	14.52	13.50	13.51
1495	NASDAQ	ISTR	Mon, Jul 6, 2020	14.63	15.15	14.15	14.23
1494	NASDAQ	ISTR	Thu, Jul 2, 2020	15.11	15.11	14.08	14.16
1493	NASDAQ	ISTR	Wed, Jul 1, 2020	14.72	15.21	14.24	15.21
1492	NASDAQ	ISTR	Tue, Jun 30, 2020	14.24	14.74	14.21	14.50
1491	NASDAQ	ISTR	Mon, Jun 29, 2020	13.72	14.50	13.72	14.46
1490	NASDAQ	ISTR	Fri, Jun 26, 2020	13.47	13.79	13.04	13.48
1489	NASDAQ	ISTR	Thu, Jun 25, 2020	13.20	13.86	12.95	13.85
1488	NASDAQ	ISTR	Wed, Jun 24, 2020	13.50	14.11	13.21	13.25
1487	NASDAQ	ISTR	Tue, Jun 23, 2020	14.11	14.60	13.52	13.52
1486	NASDAQ	ISTR	Mon, Jun 22, 2020	14.28	15.29	14.05	14.10
1485	NASDAQ	ISTR	Fri, Jun 19, 2020	14.54	14.58	13.88	14.57
1484	NASDAQ	ISTR	Thu, Jun 18, 2020	13.88	14.65	13.88	14.34
1483	NASDAQ	ISTR	Wed, Jun 17, 2020	14.57	14.62	13.78	13.88
1482	NASDAQ	ISTR	Tue, Jun 16, 2020	15.30	15.64	14.64	14.94
1481	NASDAQ	ISTR	Mon, Jun 15, 2020	13.55	14.83	13.55	14.69
1480	NASDAQ	ISTR	Fri, Jun 12, 2020	14.44	15.43	13.80	14.25
1479	NASDAQ	ISTR	Thu, Jun 11, 2020	15.01	15.11	13.53	13.77
1478	NASDAQ	ISTR	Wed, Jun 10, 2020	15.88	16.57	15.47	15.56
1477	NASDAQ	ISTR	Tue, Jun 9, 2020	15.80	16.31	15.70	16.02
1476	NASDAQ	ISTR	Mon, Jun 8, 2020	15.87	16.30	15.50	16.29
1475	NASDAQ	ISTR	Fri, Jun 5, 2020	14.25	15.50	14.25	15.50
1474	NASDAQ	ISTR	Thu, Jun 4, 2020	13.78	14.25	13.43	13.83
1473	NASDAQ	ISTR	Wed, Jun 3, 2020	13.07	14.08	13.07	13.96
1472	NASDAQ	ISTR	Tue, Jun 2, 2020	13.40	13.61	12.57	12.65
1471	NASDAQ	ISTR	Mon, Jun 1, 2020	13.00	13.76	13.00	13.08
1470	NASDAQ	ISTR	Fri, May 29, 2020	13.04	13.25	12.90	13.05
1469	NASDAQ	ISTR	Thu, May 28, 2020	14.18	14.19	13.20	13.20
1468	NASDAQ	ISTR	Wed, May 27, 2020	13.58	14.24	13.44	13.82
1467	NASDAQ	ISTR	Tue, May 26, 2020	12.48	13.40	12.48	13.07
1466	NASDAQ	ISTR	Fri, May 22, 2020	12.15	12.25	11.88	12.20
1465	NASDAQ	ISTR	Thu, May 21, 2020	12.12	12.38	12.05	12.05
1464	NASDAQ	ISTR	Wed, May 20, 2020	11.58	12.19	11.33	12.19
1463	NASDAQ	ISTR	Tue, May 19, 2020	12.03	12.05	11.15	11.25
1462	NASDAQ	ISTR	Mon, May 18, 2020	11.53	12.22	11.11	12.18
1461	NASDAQ	ISTR	Fri, May 15, 2020	10.60	11.11	10.54	10.97
1460	NASDAQ	ISTR	Thu, May 14, 2020	10.57	11.21	10.35	10.59
1459	NASDAQ	ISTR	Wed, May 13, 2020	11.17	11.32	10.65	10.85
1458	NASDAQ	ISTR	Tue, May 12, 2020	11.75	11.87	11.25	11.25
1457	NASDAQ	ISTR	Mon, May 11, 2020	12.35	12.35	11.63	11.75
1456	NASDAQ	ISTR	Fri, May 8, 2020	11.64	12.78	11.49	12.40
1455	NASDAQ	ISTR	Thu, May 7, 2020	11.54	11.54	11.00	11.48
1454	NASDAQ	ISTR	Wed, May 6, 2020	11.91	11.91	11.23	11.26
1453	NASDAQ	ISTR	Tue, May 5, 2020	12.64	12.74	11.57	11.61
1452	NASDAQ	ISTR	Mon, May 4, 2020	11.96	12.46	11.92	12.34
1451	NASDAQ	ISTR	Fri, May 1, 2020	12.50	12.76	11.67	12.01
1450	NASDAQ	ISTR	Thu, Apr 30, 2020	14.04	14.04	12.44	12.55
1449	NASDAQ	ISTR	Wed, Apr 29, 2020	15.00	15.00	14.17	14.28
1448	NASDAQ	ISTR	Tue, Apr 28, 2020	12.51	13.89	12.51	13.85
1447	NASDAQ	ISTR	Mon, Apr 27, 2020	11.70	12.47	11.37	12.43
1446	NASDAQ	ISTR	Fri, Apr 24, 2020	11.25	11.81	11.19	11.80
1445	NASDAQ	ISTR	Thu, Apr 23, 2020	10.45	11.39	10.35	11.19
1444	NASDAQ	ISTR	Wed, Apr 22, 2020	11.06	11.06	10.40	10.57
1443	NASDAQ	ISTR	Tue, Apr 21, 2020	10.75	10.77	10.36	10.60
1442	NASDAQ	ISTR	Mon, Apr 20, 2020	10.76	11.68	10.76	10.90
1441	NASDAQ	ISTR	Fri, Apr 17, 2020	10.57	11.41	10.33	11.24
1440	NASDAQ	ISTR	Thu, Apr 16, 2020	10.89	11.00	10.00	10.27
1439	NASDAQ	ISTR	Wed, Apr 15, 2020	10.60	12.14	10.60	10.94
1438	NASDAQ	ISTR	Tue, Apr 14, 2020	12.49	12.49	10.99	11.15
1437	NASDAQ	ISTR	Mon, Apr 13, 2020	12.70	12.70	12.02	12.03
1436	NASDAQ	ISTR	Thu, Apr 9, 2020	12.38	13.12	12.38	12.87
1435	NASDAQ	ISTR	Wed, Apr 8, 2020	12.42	12.43	11.95	12.21
1434	NASDAQ	ISTR	Tue, Apr 7, 2020	12.42	12.42	12.11	12.25
1433	NASDAQ	ISTR	Mon, Apr 6, 2020	11.47	12.43	11.47	12.18
1432	NASDAQ	ISTR	Fri, Apr 3, 2020	11.78	12.33	10.95	10.97
1431	NASDAQ	ISTR	Thu, Apr 2, 2020	12.74	12.91	11.84	12.12
1430	NASDAQ	ISTR	Wed, Apr 1, 2020	12.56	12.76	12.12	12.32
1429	NASDAQ	ISTR	Tue, Mar 31, 2020	12.39	12.77	12.30	12.77
1428	NASDAQ	ISTR	Mon, Mar 30, 2020	11.00	12.52	10.53	12.51
1427	NASDAQ	ISTR	Fri, Mar 27, 2020	11.45	12.15	10.83	11.04
1426	NASDAQ	ISTR	Thu, Mar 26, 2020	10.92	12.38	10.65	12.07
1425	NASDAQ	ISTR	Wed, Mar 25, 2020	11.17	11.57	10.20	10.98
1424	NASDAQ	ISTR	Tue, Mar 24, 2020	9.87	10.83	9.50	10.36
1423	NASDAQ	ISTR	Mon, Mar 23, 2020	11.84	12.33	8.49	9.25
1422	NASDAQ	ISTR	Fri, Mar 20, 2020	12.01	12.29	10.83	11.60
1421	NASDAQ	ISTR	Thu, Mar 19, 2020	12.00	14.00	11.51	12.22
1420	NASDAQ	ISTR	Wed, Mar 18, 2020	12.08	13.05	10.90	11.94
1419	NASDAQ	ISTR	Tue, Mar 17, 2020	12.51	13.40	11.54	13.00
1418	NASDAQ	ISTR	Mon, Mar 16, 2020	16.50	16.50	12.31	12.51
1417	NASDAQ	ISTR	Fri, Mar 13, 2020	17.37	18.25	16.50	16.75
1416	NASDAQ	ISTR	Thu, Mar 12, 2020	16.51	17.42	16.51	16.62
1415	NASDAQ	ISTR	Wed, Mar 11, 2020	18.00	18.23	17.23	17.42
1414	NASDAQ	ISTR	Tue, Mar 10, 2020	17.35	18.39	16.55	18.25
1413	NASDAQ	ISTR	Mon, Mar 9, 2020	17.92	17.92	16.27	16.76
1412	NASDAQ	ISTR	Fri, Mar 6, 2020	20.30	20.94	18.47	18.88
1411	NASDAQ	ISTR	Thu, Mar 5, 2020	21.20	22.60	20.72	20.84
1410	NASDAQ	ISTR	Wed, Mar 4, 2020	21.00	21.51	21.00	21.50
1409	NASDAQ	ISTR	Tue, Mar 3, 2020	21.50	21.50	21.00	21.00
1408	NASDAQ	ISTR	Mon, Mar 2, 2020	21.53	21.63	21.25	21.46
1407	NASDAQ	ISTR	Fri, Feb 28, 2020	21.99	21.99	21.18	21.36
1406	NASDAQ	ISTR	Thu, Feb 27, 2020	22.19	22.51	22.00	22.00
1405	NASDAQ	ISTR	Wed, Feb 26, 2020	22.42	22.89	22.42	22.56
1404	NASDAQ	ISTR	Tue, Feb 25, 2020	22.61	23.09	22.00	22.28
1403	NASDAQ	ISTR	Mon, Feb 24, 2020	22.00	22.64	22.00	22.41
1402	NASDAQ	ISTR	Fri, Feb 21, 2020	22.72	22.78	22.48	22.48
1401	NASDAQ	ISTR	Thu, Feb 20, 2020	22.70	23.06	22.50	22.50
1400	NASDAQ	ISTR	Wed, Feb 19, 2020	23.26	23.34	22.91	22.91
1399	NASDAQ	ISTR	Tue, Feb 18, 2020	23.18	23.55	22.70	22.81
1398	NASDAQ	ISTR	Fri, Feb 14, 2020	23.89	23.89	23.07	23.07
1397	NASDAQ	ISTR	Thu, Feb 13, 2020	23.76	23.90	23.62	23.90
1396	NASDAQ	ISTR	Wed, Feb 12, 2020	24.19	24.22	23.60	23.74
1395	NASDAQ	ISTR	Tue, Feb 11, 2020	23.79	24.00	23.79	23.93
1394	NASDAQ	ISTR	Mon, Feb 10, 2020	23.39	23.90	23.35	23.86
1393	NASDAQ	ISTR	Fri, Feb 7, 2020	22.81	23.41	22.54	23.26
1392	NASDAQ	ISTR	Thu, Feb 6, 2020	23.34	23.38	23.10	23.11
1391	NASDAQ	ISTR	Wed, Feb 5, 2020	22.51	23.00	22.51	23.00
1390	NASDAQ	ISTR	Tue, Feb 4, 2020	22.40	22.80	22.14	22.14
1389	NASDAQ	ISTR	Mon, Feb 3, 2020	22.01	22.74	22.01	22.04
1388	NASDAQ	ISTR	Fri, Jan 31, 2020	22.93	22.93	22.11	22.11
1387	NASDAQ	ISTR	Thu, Jan 30, 2020	22.63	23.20	22.63	22.83
1386	NASDAQ	ISTR	Wed, Jan 29, 2020	22.90	23.38	22.69	22.69
1385	NASDAQ	ISTR	Tue, Jan 28, 2020	23.01	23.21	22.59	22.98
1384	NASDAQ	ISTR	Mon, Jan 27, 2020	22.85	22.96	22.24	22.63
1383	NASDAQ	ISTR	Fri, Jan 24, 2020	23.52	24.21	23.00	23.24
1382	NASDAQ	ISTR	Thu, Jan 23, 2020	24.01	24.40	23.56	23.60
1381	NASDAQ	ISTR	Wed, Jan 22, 2020	23.56	24.11	23.56	24.03
1380	NASDAQ	ISTR	Tue, Jan 21, 2020	23.69	24.09	23.51	23.72
1379	NASDAQ	ISTR	Fri, Jan 17, 2020	24.40	24.40	23.91	23.96
1378	NASDAQ	ISTR	Thu, Jan 16, 2020	24.23	24.35	24.23	24.23
1377	NASDAQ	ISTR	Wed, Jan 15, 2020	24.05	24.14	23.99	24.10
1376	NASDAQ	ISTR	Tue, Jan 14, 2020	24.36	24.38	24.00	24.00
1375	NASDAQ	ISTR	Mon, Jan 13, 2020	24.20	24.37	24.00	24.37
1374	NASDAQ	ISTR	Fri, Jan 10, 2020	24.00	24.24	24.00	24.03
1373	NASDAQ	ISTR	Thu, Jan 9, 2020	24.00	24.09	24.00	24.09
1372	NASDAQ	ISTR	Wed, Jan 8, 2020	24.00	24.19	24.00	24.00
1371	NASDAQ	ISTR	Tue, Jan 7, 2020	24.14	24.16	24.00	24.00
1370	NASDAQ	ISTR	Mon, Jan 6, 2020	24.16	24.38	24.05	24.05
1369	NASDAQ	ISTR	Fri, Jan 3, 2020	24.14	24.34	24.00	24.20
1368	NASDAQ	ISTR	Thu, Jan 2, 2020	23.85	24.27	23.85	24.14
1367	NASDAQ	ISTR	Tue, Dec 31, 2019	24.19	24.20	24.00	24.00
1366	NASDAQ	ISTR	Mon, Dec 30, 2019	24.26	24.32	24.08	24.09
1365	NASDAQ	ISTR	Fri, Dec 27, 2019	24.49	24.49	24.04	24.12
1364	NASDAQ	ISTR	Thu, Dec 26, 2019	24.38	24.65	24.18	24.18
1363	NASDAQ	ISTR	Tue, Dec 24, 2019	24.93	24.94	24.23	24.24
1362	NASDAQ	ISTR	Mon, Dec 23, 2019	25.12	25.12	24.67	24.67
1361	NASDAQ	ISTR	Fri, Dec 20, 2019	25.42	25.50	24.87	25.21
1360	NASDAQ	ISTR	Thu, Dec 19, 2019	25.42	25.55	25.32	25.32
1359	NASDAQ	ISTR	Wed, Dec 18, 2019	25.56	25.74	25.40	25.62
1358	NASDAQ	ISTR	Tue, Dec 17, 2019	25.50	25.63	25.25	25.36
1357	NASDAQ	ISTR	Mon, Dec 16, 2019	26.00	26.46	25.43	25.63
1356	NASDAQ	ISTR	Fri, Dec 13, 2019	25.63	26.00	25.42	25.92
1355	NASDAQ	ISTR	Thu, Dec 12, 2019	25.47	25.85	25.43	25.63
1354	NASDAQ	ISTR	Wed, Dec 11, 2019	25.34	25.53	25.00	25.49
1353	NASDAQ	ISTR	Tue, Dec 10, 2019	24.46	25.28	24.46	25.28
1352	NASDAQ	ISTR	Mon, Dec 9, 2019	25.39	25.55	24.30	24.30
1351	NASDAQ	ISTR	Fri, Dec 6, 2019	25.00	25.85	24.87	25.61
1350	NASDAQ	ISTR	Thu, Dec 5, 2019	24.66	24.77	24.64	24.69
1349	NASDAQ	ISTR	Wed, Dec 4, 2019	24.36	24.78	24.15	24.46
1348	NASDAQ	ISTR	Tue, Dec 3, 2019	24.47	24.47	24.29	24.43
1347	NASDAQ	ISTR	Mon, Dec 2, 2019	24.77	24.77	24.37	24.60
1346	NASDAQ	ISTR	Fri, Nov 29, 2019	25.16	25.23	24.67	25.02
1345	NASDAQ	ISTR	Wed, Nov 27, 2019	25.48	25.48	25.16	25.30
1344	NASDAQ	ISTR	Tue, Nov 26, 2019	25.05	25.67	25.05	25.48
1343	NASDAQ	ISTR	Mon, Nov 25, 2019	24.12	25.27	24.12	25.17
1342	NASDAQ	ISTR	Fri, Nov 22, 2019	24.15	24.39	23.66	24.22
1341	NASDAQ	ISTR	Thu, Nov 21, 2019	24.99	24.99	24.00	24.00
1340	NASDAQ	ISTR	Wed, Nov 20, 2019	25.35	25.45	24.51	24.81
1339	NASDAQ	ISTR	Tue, Nov 19, 2019	25.35	26.00	25.21	25.40
1338	NASDAQ	ISTR	Mon, Nov 18, 2019	25.43	25.44	25.10	25.37
1337	NASDAQ	ISTR	Fri, Nov 15, 2019	25.34	25.43	23.99	25.16
1336	NASDAQ	ISTR	Thu, Nov 14, 2019	24.43	25.30	24.25	25.30
1335	NASDAQ	ISTR	Wed, Nov 13, 2019	23.51	25.11	23.51	24.71
1334	NASDAQ	ISTR	Tue, Nov 12, 2019	25.13	25.44	25.13	25.16
1333	NASDAQ	ISTR	Mon, Nov 11, 2019	25.00	25.38	24.81	25.20
1332	NASDAQ	ISTR	Fri, Nov 8, 2019	25.30	25.63	25.20	25.30
1331	NASDAQ	ISTR	Thu, Nov 7, 2019	25.35	25.60	25.14	25.21
1330	NASDAQ	ISTR	Wed, Nov 6, 2019	25.00	25.51	24.91	25.03
1329	NASDAQ	ISTR	Tue, Nov 5, 2019	25.00	25.88	25.00	25.15
1328	NASDAQ	ISTR	Mon, Nov 4, 2019	24.95	25.00	24.79	25.00
1327	NASDAQ	ISTR	Fri, Nov 1, 2019	24.94	24.95	24.63	24.94
1326	NASDAQ	ISTR	Thu, Oct 31, 2019	24.84	24.84	24.59	24.81
1325	NASDAQ	ISTR	Wed, Oct 30, 2019	25.00	25.00	24.57	24.74
1324	NASDAQ	ISTR	Tue, Oct 29, 2019	24.19	25.00	23.93	24.97
1323	NASDAQ	ISTR	Mon, Oct 28, 2019	23.88	24.60	23.72	24.29
1322	NASDAQ	ISTR	Fri, Oct 25, 2019	23.84	24.02	23.84	23.88
1321	NASDAQ	ISTR	Thu, Oct 24, 2019	24.05	24.16	23.85	23.90
1320	NASDAQ	ISTR	Wed, Oct 23, 2019	23.97	24.00	23.87	23.92
1319	NASDAQ	ISTR	Tue, Oct 22, 2019	23.96	24.05	23.85	24.00
1318	NASDAQ	ISTR	Mon, Oct 21, 2019	24.00	24.09	23.92	24.00
1317	NASDAQ	ISTR	Fri, Oct 18, 2019	23.81	24.00	23.78	23.84
1316	NASDAQ	ISTR	Thu, Oct 17, 2019	23.96	24.17	23.95	23.96
1315	NASDAQ	ISTR	Wed, Oct 16, 2019	24.02	24.02	23.89	24.00
1314	NASDAQ	ISTR	Tue, Oct 15, 2019	23.95	23.95	23.79	23.92
1313	NASDAQ	ISTR	Mon, Oct 14, 2019	23.80	24.01	23.62	23.90
1312	NASDAQ	ISTR	Fri, Oct 11, 2019	24.00	24.24	23.68	23.80
1311	NASDAQ	ISTR	Thu, Oct 10, 2019	23.84	24.40	23.76	23.76
1310	NASDAQ	ISTR	Wed, Oct 9, 2019	23.64	24.00	23.64	23.98
1309	NASDAQ	ISTR	Tue, Oct 8, 2019	23.29	23.47	23.29	23.37
1308	NASDAQ	ISTR	Mon, Oct 7, 2019	23.51	23.60	23.44	23.44
1307	NASDAQ	ISTR	Fri, Oct 4, 2019	23.20	23.69	23.20	23.57
1306	NASDAQ	ISTR	Thu, Oct 3, 2019	23.38	23.67	23.10	23.67
1305	NASDAQ	ISTR	Wed, Oct 2, 2019	23.56	23.80	23.40	23.47
1304	NASDAQ	ISTR	Tue, Oct 1, 2019	23.89	24.00	23.65	23.65
1303	NASDAQ	ISTR	Mon, Sep 30, 2019	23.60	24.00	23.44	23.80
1302	NASDAQ	ISTR	Fri, Sep 27, 2019	23.75	24.10	23.61	23.61
1301	NASDAQ	ISTR	Thu, Sep 26, 2019	24.16	24.16	23.62	23.68
1300	NASDAQ	ISTR	Wed, Sep 25, 2019	23.81	23.88	23.32	23.80
1299	NASDAQ	ISTR	Tue, Sep 24, 2019	23.84	24.16	23.55	23.72
1298	NASDAQ	ISTR	Mon, Sep 23, 2019	23.52	24.02	23.52	23.94
1297	NASDAQ	ISTR	Fri, Sep 20, 2019	23.90	24.04	23.57	23.60
1296	NASDAQ	ISTR	Thu, Sep 19, 2019	23.92	24.35	23.92	23.96
1295	NASDAQ	ISTR	Wed, Sep 18, 2019	24.25	24.50	23.92	24.09
1294	NASDAQ	ISTR	Tue, Sep 17, 2019	23.80	24.25	23.80	24.22
1293	NASDAQ	ISTR	Mon, Sep 16, 2019	23.68	24.10	23.68	24.10
1292	NASDAQ	ISTR	Fri, Sep 13, 2019	23.74	23.97	23.44	23.83
1291	NASDAQ	ISTR	Thu, Sep 12, 2019	23.25	23.74	23.16	23.63
1290	NASDAQ	ISTR	Wed, Sep 11, 2019	23.50	23.50	23.26	23.50
1289	NASDAQ	ISTR	Tue, Sep 10, 2019	23.04	23.50	23.04	23.33
1288	NASDAQ	ISTR	Mon, Sep 9, 2019	22.94	23.25	22.84	23.11
1287	NASDAQ	ISTR	Fri, Sep 6, 2019	23.10	23.10	22.77	22.87
1286	NASDAQ	ISTR	Thu, Sep 5, 2019	23.00	23.25	21.78	23.02
1285	NASDAQ	ISTR	Wed, Sep 4, 2019	23.00	23.00	22.73	22.98
1284	NASDAQ	ISTR	Tue, Sep 3, 2019	23.07	23.09	22.72	22.89
1283	NASDAQ	ISTR	Fri, Aug 30, 2019	23.11	23.22	22.94	23.22
1282	NASDAQ	ISTR	Thu, Aug 29, 2019	23.00	23.49	22.75	22.75
1281	NASDAQ	ISTR	Wed, Aug 28, 2019	22.59	22.99	22.52	22.88
1280	NASDAQ	ISTR	Tue, Aug 27, 2019	22.90	22.91	22.25	22.58
1279	NASDAQ	ISTR	Mon, Aug 26, 2019	22.37	22.88	22.09	22.88
1278	NASDAQ	ISTR	Fri, Aug 23, 2019	22.75	23.02	21.82	22.02
1277	NASDAQ	ISTR	Thu, Aug 22, 2019	23.05	23.05	23.05	23.05
1276	NASDAQ	ISTR	Wed, Aug 21, 2019	23.15	23.33	23.05	23.06
1275	NASDAQ	ISTR	Tue, Aug 20, 2019	23.36	23.50	23.05	23.20
1274	NASDAQ	ISTR	Mon, Aug 19, 2019	23.30	23.75	23.30	23.73
1273	NASDAQ	ISTR	Fri, Aug 16, 2019	22.93	23.25	22.92	23.25
1272	NASDAQ	ISTR	Thu, Aug 15, 2019	23.05	23.09	22.74	22.74
1271	NASDAQ	ISTR	Wed, Aug 14, 2019	23.10	23.34	23.05	23.06
1270	NASDAQ	ISTR	Tue, Aug 13, 2019	23.33	23.92	23.33	23.80
1269	NASDAQ	ISTR	Mon, Aug 12, 2019	23.19	23.38	23.19	23.21
1268	NASDAQ	ISTR	Fri, Aug 9, 2019	23.43	23.50	22.84	23.15
1267	NASDAQ	ISTR	Thu, Aug 8, 2019	23.49	23.50	23.30	23.30
1266	NASDAQ	ISTR	Wed, Aug 7, 2019	22.17	23.28	21.48	23.06
1265	NASDAQ	ISTR	Tue, Aug 6, 2019	23.44	23.49	23.35	23.35
1264	NASDAQ	ISTR	Mon, Aug 5, 2019	23.42	23.42	23.21	23.25
1263	NASDAQ	ISTR	Fri, Aug 2, 2019	24.02	24.02	23.53	23.70
1262	NASDAQ	ISTR	Thu, Aug 1, 2019	24.23	24.50	23.76	23.85
1261	NASDAQ	ISTR	Wed, Jul 31, 2019	24.42	24.43	24.04	24.11
1260	NASDAQ	ISTR	Tue, Jul 30, 2019	24.05	24.50	24.05	24.25
1259	NASDAQ	ISTR	Mon, Jul 29, 2019	23.52	24.44	23.52	24.10
1258	NASDAQ	ISTR	Fri, Jul 26, 2019	23.50	24.49	23.38	24.26
1257	NASDAQ	ISTR	Thu, Jul 25, 2019	23.42	23.52	23.25	23.25
1256	NASDAQ	ISTR	Wed, Jul 24, 2019	23.43	23.63	23.25	23.63
1255	NASDAQ	ISTR	Tue, Jul 23, 2019	23.25	23.62	23.25	23.62
1254	NASDAQ	ISTR	Mon, Jul 22, 2019	23.18	23.68	23.10	23.36
1253	NASDAQ	ISTR	Fri, Jul 19, 2019	23.48	23.79	23.20	23.30
1252	NASDAQ	ISTR	Thu, Jul 18, 2019	23.80	23.80	23.50	23.66
1251	NASDAQ	ISTR	Wed, Jul 17, 2019	23.72	23.84	23.72	23.80
1250	NASDAQ	ISTR	Tue, Jul 16, 2019	23.71	23.98	23.71	23.90
1249	NASDAQ	ISTR	Mon, Jul 15, 2019	23.81	23.93	23.61	23.90
1248	NASDAQ	ISTR	Fri, Jul 12, 2019	23.75	23.98	23.67	23.82
1247	NASDAQ	ISTR	Thu, Jul 11, 2019	23.92	23.92	23.67	23.89
1246	NASDAQ	ISTR	Wed, Jul 10, 2019	24.00	24.00	23.74	23.82
1245	NASDAQ	ISTR	Tue, Jul 9, 2019	23.98	24.07	23.41	24.00
1244	NASDAQ	ISTR	Mon, Jul 8, 2019	23.98	24.05	23.76	24.00
1243	NASDAQ	ISTR	Fri, Jul 5, 2019	24.00	24.00	23.45	23.62
1242	NASDAQ	ISTR	Wed, Jul 3, 2019	23.87	24.10	23.87	24.00
1241	NASDAQ	ISTR	Tue, Jul 2, 2019	23.57	24.31	23.27	24.00
1240	NASDAQ	ISTR	Mon, Jul 1, 2019	23.70	23.70	23.27	23.55
1239	NASDAQ	ISTR	Fri, Jun 28, 2019	23.37	23.85	23.34	23.85
1238	NASDAQ	ISTR	Thu, Jun 27, 2019	23.28	23.38	23.06	23.37
1237	NASDAQ	ISTR	Wed, Jun 26, 2019	23.40	23.40	23.00	23.22
1236	NASDAQ	ISTR	Tue, Jun 25, 2019	23.21	23.43	23.00	23.22
1235	NASDAQ	ISTR	Mon, Jun 24, 2019	23.30	23.65	23.00	23.00
1234	NASDAQ	ISTR	Fri, Jun 21, 2019	22.95	23.45	22.95	23.45
1233	NASDAQ	ISTR	Thu, Jun 20, 2019	23.50	23.50	22.99	23.09
1232	NASDAQ	ISTR	Wed, Jun 19, 2019	23.21	23.50	23.18	23.34
1231	NASDAQ	ISTR	Tue, Jun 18, 2019	23.36	23.53	23.30	23.41
1230	NASDAQ	ISTR	Mon, Jun 17, 2019	23.53	23.64	23.30	23.40
1229	NASDAQ	ISTR	Fri, Jun 14, 2019	23.46	23.56	23.35	23.50
1228	NASDAQ	ISTR	Thu, Jun 13, 2019	23.55	23.83	23.29	23.33
1227	NASDAQ	ISTR	Wed, Jun 12, 2019	23.55	23.69	23.35	23.55
1226	NASDAQ	ISTR	Tue, Jun 11, 2019	23.63	23.75	23.50	23.55
1225	NASDAQ	ISTR	Mon, Jun 10, 2019	23.65	23.72	23.34	23.53
1224	NASDAQ	ISTR	Fri, Jun 7, 2019	23.50	24.50	23.20	23.35
1223	NASDAQ	ISTR	Thu, Jun 6, 2019	23.49	24.12	23.12	23.45
1222	NASDAQ	ISTR	Wed, Jun 5, 2019	23.64	23.70	22.90	23.39
1221	NASDAQ	ISTR	Tue, Jun 4, 2019	23.76	23.95	23.57	23.74
1220	NASDAQ	ISTR	Mon, Jun 3, 2019	23.94	24.00	23.62	23.62
1219	NASDAQ	ISTR	Fri, May 31, 2019	24.14	24.15	23.88	23.89
1218	NASDAQ	ISTR	Thu, May 30, 2019	23.25	24.25	23.25	24.20
1217	NASDAQ	ISTR	Wed, May 29, 2019	24.11	24.19	23.30	23.35
1216	NASDAQ	ISTR	Tue, May 28, 2019	24.04	24.50	23.92	24.12
1215	NASDAQ	ISTR	Fri, May 24, 2019	23.88	24.05	23.64	24.04
1214	NASDAQ	ISTR	Thu, May 23, 2019	23.49	23.99	23.25	23.65
1213	NASDAQ	ISTR	Wed, May 22, 2019	23.61	23.93	23.38	23.70
1212	NASDAQ	ISTR	Tue, May 21, 2019	23.80	23.92	23.51	23.92
1211	NASDAQ	ISTR	Mon, May 20, 2019	23.42	23.97	23.42	23.78
1210	NASDAQ	ISTR	Fri, May 17, 2019	23.51	24.10	23.25	23.60
1209	NASDAQ	ISTR	Thu, May 16, 2019	23.56	23.94	23.47	23.64
1208	NASDAQ	ISTR	Wed, May 15, 2019	23.74	23.83	23.44	23.67
1207	NASDAQ	ISTR	Tue, May 14, 2019	23.60	23.70	23.44	23.70
1206	NASDAQ	ISTR	Mon, May 13, 2019	23.74	23.75	23.50	23.50
1205	NASDAQ	ISTR	Fri, May 10, 2019	23.80	23.95	23.75	23.95
1204	NASDAQ	ISTR	Thu, May 9, 2019	23.88	23.90	23.52	23.71
1203	NASDAQ	ISTR	Wed, May 8, 2019	23.96	23.98	23.70	23.79
1202	NASDAQ	ISTR	Tue, May 7, 2019	23.64	23.95	23.46	23.65
1201	NASDAQ	ISTR	Mon, May 6, 2019	23.24	23.98	23.24	23.81
1200	NASDAQ	ISTR	Fri, May 3, 2019	23.00	23.40	23.00	23.39
1199	NASDAQ	ISTR	Thu, May 2, 2019	23.12	23.22	22.99	23.18
1198	NASDAQ	ISTR	Wed, May 1, 2019	22.95	23.37	22.90	22.95
1197	NASDAQ	ISTR	Tue, Apr 30, 2019	23.10	23.30	23.10	23.28
1196	NASDAQ	ISTR	Mon, Apr 29, 2019	22.91	23.20	22.89	23.14
1195	NASDAQ	ISTR	Fri, Apr 26, 2019	22.79	22.90	22.72	22.90
1194	NASDAQ	ISTR	Thu, Apr 25, 2019	22.31	22.94	22.31	22.80
1193	NASDAQ	ISTR	Wed, Apr 24, 2019	22.42	22.76	22.30	22.30
1192	NASDAQ	ISTR	Tue, Apr 23, 2019	22.60	22.93	22.40	22.50
1191	NASDAQ	ISTR	Mon, Apr 22, 2019	22.80	23.02	22.56	22.56
1190	NASDAQ	ISTR	Thu, Apr 18, 2019	23.02	23.20	22.84	23.00
1189	NASDAQ	ISTR	Wed, Apr 17, 2019	22.90	23.20	22.80	23.20
1188	NASDAQ	ISTR	Tue, Apr 16, 2019	22.80	23.00	22.80	22.88
1187	NASDAQ	ISTR	Mon, Apr 15, 2019	23.11	23.11	22.60	22.84
1186	NASDAQ	ISTR	Fri, Apr 12, 2019	23.28	23.33	23.00	23.30
1185	NASDAQ	ISTR	Thu, Apr 11, 2019	22.70	23.57	22.55	23.07
1184	NASDAQ	ISTR	Wed, Apr 10, 2019	22.39	22.55	22.26	22.55
1183	NASDAQ	ISTR	Tue, Apr 9, 2019	22.49	22.58	22.35	22.35
1182	NASDAQ	ISTR	Mon, Apr 8, 2019	22.54	22.64	22.46	22.46
1181	NASDAQ	ISTR	Fri, Apr 5, 2019	22.55	22.60	22.47	22.55
1180	NASDAQ	ISTR	Thu, Apr 4, 2019	22.38	22.64	22.38	22.55
1179	NASDAQ	ISTR	Wed, Apr 3, 2019	22.50	22.50	22.22	22.35
1178	NASDAQ	ISTR	Tue, Apr 2, 2019	22.71	22.87	22.31	22.31
1177	NASDAQ	ISTR	Mon, Apr 1, 2019	23.33	23.33	22.62	22.85
1176	NASDAQ	ISTR	Fri, Mar 29, 2019	23.20	23.20	22.42	22.71
1175	NASDAQ	ISTR	Thu, Mar 28, 2019	23.09	23.28	22.45	23.24
1174	NASDAQ	ISTR	Wed, Mar 27, 2019	22.76	23.09	22.42	22.94
1173	NASDAQ	ISTR	Tue, Mar 26, 2019	22.53	23.08	22.53	22.60
1172	NASDAQ	ISTR	Mon, Mar 25, 2019	22.67	23.05	22.06	22.37
1171	NASDAQ	ISTR	Fri, Mar 22, 2019	22.95	23.21	22.28	22.28
1170	NASDAQ	ISTR	Thu, Mar 21, 2019	23.25	23.32	23.02	23.02
1169	NASDAQ	ISTR	Wed, Mar 20, 2019	23.10	23.47	22.93	23.27
1168	NASDAQ	ISTR	Tue, Mar 19, 2019	23.04	23.27	22.49	22.61
1167	NASDAQ	ISTR	Mon, Mar 18, 2019	22.96	23.99	22.90	23.07
1166	NASDAQ	ISTR	Fri, Mar 15, 2019	23.22	23.78	23.00	23.00
1165	NASDAQ	ISTR	Thu, Mar 14, 2019	23.29	23.31	22.78	23.27
1164	NASDAQ	ISTR	Wed, Mar 13, 2019	23.70	23.73	23.40	23.40
1163	NASDAQ	ISTR	Tue, Mar 12, 2019	23.45	23.60	23.29	23.53
1162	NASDAQ	ISTR	Mon, Mar 11, 2019	23.15	23.75	23.00	23.60
1161	NASDAQ	ISTR	Fri, Mar 8, 2019	23.18	23.86	23.18	23.20
1160	NASDAQ	ISTR	Thu, Mar 7, 2019	23.32	23.75	23.03	23.21
1159	NASDAQ	ISTR	Wed, Mar 6, 2019	24.46	24.76	23.27	23.51
1158	NASDAQ	ISTR	Tue, Mar 5, 2019	23.60	23.85	23.36	23.62
1157	NASDAQ	ISTR	Mon, Mar 4, 2019	24.46	24.94	23.56	23.77
1156	NASDAQ	ISTR	Fri, Mar 1, 2019	24.43	24.98	23.41	24.40
1155	NASDAQ	ISTR	Thu, Feb 28, 2019	24.67	25.10	24.34	24.34
1154	NASDAQ	ISTR	Wed, Feb 27, 2019	24.54	24.84	24.41	24.62
1153	NASDAQ	ISTR	Tue, Feb 26, 2019	24.54	25.11	24.46	24.62
1152	NASDAQ	ISTR	Mon, Feb 25, 2019	24.75	25.20	24.23	24.38
1151	NASDAQ	ISTR	Fri, Feb 22, 2019	24.41	25.11	24.41	25.05
1150	NASDAQ	ISTR	Thu, Feb 21, 2019	24.63	25.12	24.44	24.78
1149	NASDAQ	ISTR	Wed, Feb 20, 2019	24.69	25.18	24.47	24.47
1148	NASDAQ	ISTR	Tue, Feb 19, 2019	24.64	25.25	24.54	24.97
1147	NASDAQ	ISTR	Fri, Feb 15, 2019	24.94	25.29	24.76	24.76
1146	NASDAQ	ISTR	Thu, Feb 14, 2019	24.35	25.11	24.21	24.75
1145	NASDAQ	ISTR	Wed, Feb 13, 2019	23.88	24.16	23.42	24.16
1144	NASDAQ	ISTR	Tue, Feb 12, 2019	23.89	24.38	23.68	23.68
1143	NASDAQ	ISTR	Mon, Feb 11, 2019	23.40	23.83	23.05	23.66
1142	NASDAQ	ISTR	Fri, Feb 8, 2019	23.55	23.61	23.05	23.16
1141	NASDAQ	ISTR	Thu, Feb 7, 2019	23.61	23.84	23.25	23.32
1140	NASDAQ	ISTR	Wed, Feb 6, 2019	23.95	23.95	23.35	23.58
1139	NASDAQ	ISTR	Tue, Feb 5, 2019	23.44	25.08	23.32	23.80
1138	NASDAQ	ISTR	Mon, Feb 4, 2019	23.91	24.92	23.06	23.38
1137	NASDAQ	ISTR	Fri, Feb 1, 2019	23.03	24.65	23.03	23.92
1136	NASDAQ	ISTR	Thu, Jan 31, 2019	24.03	24.59	22.68	23.06
1135	NASDAQ	ISTR	Wed, Jan 30, 2019	22.74	23.61	22.74	23.48
1134	NASDAQ	ISTR	Tue, Jan 29, 2019	23.55	23.99	22.78	22.90
1133	NASDAQ	ISTR	Mon, Jan 28, 2019	23.54	24.04	22.20	24.04
1132	NASDAQ	ISTR	Fri, Jan 25, 2019	22.20	25.07	22.20	23.53
1131	NASDAQ	ISTR	Thu, Jan 24, 2019	23.11	23.11	21.64	22.28
1130	NASDAQ	ISTR	Wed, Jan 23, 2019	22.78	23.78	22.61	23.20
1129	NASDAQ	ISTR	Tue, Jan 22, 2019	23.03	23.55	22.55	22.75
1128	NASDAQ	ISTR	Fri, Jan 18, 2019	22.72	23.54	22.72	23.02
1127	NASDAQ	ISTR	Thu, Jan 17, 2019	23.28	23.52	22.81	22.81
1126	NASDAQ	ISTR	Wed, Jan 16, 2019	23.74	23.79	23.45	23.45
1125	NASDAQ	ISTR	Tue, Jan 15, 2019	23.85	23.85	23.77	23.77
1124	NASDAQ	ISTR	Mon, Jan 14, 2019	23.82	24.15	23.59	23.80
1123	NASDAQ	ISTR	Fri, Jan 11, 2019	23.76	24.18	23.41	24.10
1122	NASDAQ	ISTR	Thu, Jan 10, 2019	23.76	23.96	23.67	23.67
1121	NASDAQ	ISTR	Wed, Jan 9, 2019	23.80	23.85	23.58	23.58
1120	NASDAQ	ISTR	Tue, Jan 8, 2019	23.80	23.83	23.64	23.81
1119	NASDAQ	ISTR	Mon, Jan 7, 2019	23.51	23.80	23.25	23.80
1118	NASDAQ	ISTR	Fri, Jan 4, 2019	24.00	24.00	23.21	23.60
1117	NASDAQ	ISTR	Thu, Jan 3, 2019	23.57	24.05	23.57	23.70
1116	NASDAQ	ISTR	Wed, Jan 2, 2019	25.00	25.00	24.02	24.31
1115	NASDAQ	ISTR	Mon, Dec 31, 2018	24.88	25.30	24.50	24.80
1114	NASDAQ	ISTR	Fri, Dec 28, 2018	24.78	25.19	24.37	24.69
1113	NASDAQ	ISTR	Thu, Dec 27, 2018	23.82	25.35	23.82	24.61
1112	NASDAQ	ISTR	Wed, Dec 26, 2018	23.24	24.25	23.20	23.95
1111	NASDAQ	ISTR	Mon, Dec 24, 2018	21.92	23.87	21.92	22.96
1110	NASDAQ	ISTR	Fri, Dec 21, 2018	21.86	21.96	19.49	21.79
1109	NASDAQ	ISTR	Thu, Dec 20, 2018	23.50	23.84	22.00	22.22
1108	NASDAQ	ISTR	Wed, Dec 19, 2018	24.52	24.66	23.50	23.62
1107	NASDAQ	ISTR	Tue, Dec 18, 2018	24.50	24.83	24.39	24.39
1106	NASDAQ	ISTR	Mon, Dec 17, 2018	23.84	24.78	23.50	24.15
1105	NASDAQ	ISTR	Fri, Dec 14, 2018	24.42	24.42	23.50	23.80
1104	NASDAQ	ISTR	Thu, Dec 13, 2018	25.35	25.69	24.53	24.54
1103	NASDAQ	ISTR	Wed, Dec 12, 2018	24.71	25.80	24.39	25.50
1102	NASDAQ	ISTR	Tue, Dec 11, 2018	25.42	25.42	23.98	24.07
1101	NASDAQ	ISTR	Mon, Dec 10, 2018	25.20	25.68	24.51	25.33
1100	NASDAQ	ISTR	Fri, Dec 7, 2018	25.44	25.44	24.90	25.30
1099	NASDAQ	ISTR	Thu, Dec 6, 2018	24.90	25.72	24.90	25.50
1098	NASDAQ	ISTR	Tue, Dec 4, 2018	25.91	25.91	24.91	24.92
1097	NASDAQ	ISTR	Mon, Dec 3, 2018	26.00	26.00	25.37	25.90
1096	NASDAQ	ISTR	Fri, Nov 30, 2018	25.45	25.84	24.79	25.13
1095	NASDAQ	ISTR	Thu, Nov 29, 2018	24.69	25.55	24.69	25.54
1094	NASDAQ	ISTR	Wed, Nov 28, 2018	25.11	25.26	24.50	24.64
1093	NASDAQ	ISTR	Tue, Nov 27, 2018	25.13	25.45	25.09	25.10
1092	NASDAQ	ISTR	Mon, Nov 26, 2018	25.79	25.79	25.34	25.34
1091	NASDAQ	ISTR	Fri, Nov 23, 2018	25.01	25.75	24.70	25.75
1090	NASDAQ	ISTR	Wed, Nov 21, 2018	24.85	25.59	24.85	25.26
1089	NASDAQ	ISTR	Tue, Nov 20, 2018	24.15	25.52	24.15	24.75
1088	NASDAQ	ISTR	Mon, Nov 19, 2018	25.00	25.15	24.32	24.32
1087	NASDAQ	ISTR	Fri, Nov 16, 2018	24.74	25.18	24.50	25.05
1086	NASDAQ	ISTR	Thu, Nov 15, 2018	24.79	25.08	24.72	24.92
1085	NASDAQ	ISTR	Wed, Nov 14, 2018	24.99	25.08	24.49	24.99
1084	NASDAQ	ISTR	Tue, Nov 13, 2018	25.42	25.70	24.51	24.70
1083	NASDAQ	ISTR	Mon, Nov 12, 2018	25.20	25.77	25.09	25.43
1082	NASDAQ	ISTR	Fri, Nov 9, 2018	25.03	25.81	24.95	25.24
1081	NASDAQ	ISTR	Thu, Nov 8, 2018	25.39	25.44	24.95	25.28
1080	NASDAQ	ISTR	Wed, Nov 7, 2018	25.08	25.71	25.08	25.71
1079	NASDAQ	ISTR	Tue, Nov 6, 2018	25.57	26.04	24.90	25.08
1078	NASDAQ	ISTR	Mon, Nov 5, 2018	26.04	26.09	25.46	25.56
1077	NASDAQ	ISTR	Fri, Nov 2, 2018	25.62	26.10	25.42	26.08
1076	NASDAQ	ISTR	Thu, Nov 1, 2018	26.09	26.09	25.39	25.61
1075	NASDAQ	ISTR	Wed, Oct 31, 2018	25.55	26.29	23.79	26.09
1074	NASDAQ	ISTR	Tue, Oct 30, 2018	25.00	26.49	24.99	25.20
1073	NASDAQ	ISTR	Mon, Oct 29, 2018	23.50	24.70	23.50	24.36
1072	NASDAQ	ISTR	Fri, Oct 26, 2018	23.70	23.83	23.00	23.35
1071	NASDAQ	ISTR	Thu, Oct 25, 2018	22.88	24.24	22.53	23.97
1070	NASDAQ	ISTR	Wed, Oct 24, 2018	23.82	24.43	22.54	22.60
1069	NASDAQ	ISTR	Tue, Oct 23, 2018	25.10	25.10	22.86	23.69
1068	NASDAQ	ISTR	Mon, Oct 22, 2018	25.46	25.73	24.76	25.08
1067	NASDAQ	ISTR	Fri, Oct 19, 2018	25.39	26.00	24.75	24.75
1066	NASDAQ	ISTR	Thu, Oct 18, 2018	24.70	25.99	24.70	25.73
1065	NASDAQ	ISTR	Wed, Oct 17, 2018	26.20	26.20	25.20	25.20
1064	NASDAQ	ISTR	Tue, Oct 16, 2018	24.96	26.50	24.96	26.42
1063	NASDAQ	ISTR	Mon, Oct 15, 2018	25.34	25.45	24.56	24.72
1062	NASDAQ	ISTR	Fri, Oct 12, 2018	24.50	26.80	24.50	25.22
1061	NASDAQ	ISTR	Thu, Oct 11, 2018	26.07	26.69	24.55	25.09
1060	NASDAQ	ISTR	Wed, Oct 10, 2018	26.47	26.51	25.53	26.07
1059	NASDAQ	ISTR	Tue, Oct 9, 2018	27.12	27.15	25.81	25.81
1058	NASDAQ	ISTR	Mon, Oct 8, 2018	26.65	27.08	26.55	26.71
1057	NASDAQ	ISTR	Fri, Oct 5, 2018	26.80	27.09	26.50	26.50
1056	NASDAQ	ISTR	Thu, Oct 4, 2018	26.44	26.97	26.22	26.54
1055	NASDAQ	ISTR	Wed, Oct 3, 2018	26.16	26.73	26.16	26.43
1054	NASDAQ	ISTR	Tue, Oct 2, 2018	27.14	27.84	24.70	26.04
1053	NASDAQ	ISTR	Mon, Oct 1, 2018	27.08	27.50	25.50	27.50
1052	NASDAQ	ISTR	Fri, Sep 28, 2018	27.45	27.65	26.75	26.85
1051	NASDAQ	ISTR	Thu, Sep 27, 2018	27.00	27.70	27.00	27.10
1050	NASDAQ	ISTR	Wed, Sep 26, 2018	26.50	27.73	26.15	26.60
1049	NASDAQ	ISTR	Tue, Sep 25, 2018	26.90	27.20	26.40	26.70
1048	NASDAQ	ISTR	Mon, Sep 24, 2018	26.45	27.15	26.05	26.20
1047	NASDAQ	ISTR	Fri, Sep 21, 2018	26.70	27.00	25.35	27.00
1046	NASDAQ	ISTR	Thu, Sep 20, 2018	26.25	27.30	25.45	26.75
1045	NASDAQ	ISTR	Wed, Sep 19, 2018	25.40	27.05	25.29	26.05
1044	NASDAQ	ISTR	Tue, Sep 18, 2018	25.60	25.80	25.30	25.30
1043	NASDAQ	ISTR	Mon, Sep 17, 2018	25.80	25.80	24.40	25.50
1042	NASDAQ	ISTR	Fri, Sep 14, 2018	25.70	26.25	25.60	26.00
1041	NASDAQ	ISTR	Thu, Sep 13, 2018	26.90	26.90	25.65	25.85
1040	NASDAQ	ISTR	Wed, Sep 12, 2018	26.95	27.20	26.60	26.75
1039	NASDAQ	ISTR	Tue, Sep 11, 2018	27.40	27.70	27.15	27.35
1038	NASDAQ	ISTR	Mon, Sep 10, 2018	27.40	27.40	26.85	27.25
1037	NASDAQ	ISTR	Fri, Sep 7, 2018	26.65	27.50	26.65	27.20
1036	NASDAQ	ISTR	Thu, Sep 6, 2018	27.40	27.45	27.15	27.20
1035	NASDAQ	ISTR	Wed, Sep 5, 2018	27.15	27.56	27.15	27.40
1034	NASDAQ	ISTR	Tue, Sep 4, 2018	27.67	27.85	27.35	27.50
1033	NASDAQ	ISTR	Fri, Aug 31, 2018	27.35	27.45	27.35	27.45
1032	NASDAQ	ISTR	Thu, Aug 30, 2018	27.60	27.60	27.55	27.60
1031	NASDAQ	ISTR	Wed, Aug 29, 2018	27.65	27.88	27.26	27.60
1030	NASDAQ	ISTR	Tue, Aug 28, 2018	27.55	27.83	27.17	27.45
1029	NASDAQ	ISTR	Mon, Aug 27, 2018	28.20	28.20	26.99	27.30
1028	NASDAQ	ISTR	Fri, Aug 24, 2018	27.95	28.40	27.95	28.20
1027	NASDAQ	ISTR	Thu, Aug 23, 2018	27.80	28.00	27.45	27.90
1026	NASDAQ	ISTR	Wed, Aug 22, 2018	26.85	28.25	26.85	28.05
1025	NASDAQ	ISTR	Tue, Aug 21, 2018	27.30	27.45	26.35	27.05
1024	NASDAQ	ISTR	Mon, Aug 20, 2018	27.00	27.10	26.65	27.10
1023	NASDAQ	ISTR	Fri, Aug 17, 2018	27.00	27.30	26.85	26.85
1022	NASDAQ	ISTR	Thu, Aug 16, 2018	26.70	27.20	26.65	27.15
1021	NASDAQ	ISTR	Wed, Aug 15, 2018	27.00	27.40	26.55	26.65
1020	NASDAQ	ISTR	Tue, Aug 14, 2018	27.25	27.45	26.80	27.00
1019	NASDAQ	ISTR	Mon, Aug 13, 2018	27.05	27.35	27.05	27.15
1018	NASDAQ	ISTR	Fri, Aug 10, 2018	27.05	27.45	27.05	27.20
1017	NASDAQ	ISTR	Thu, Aug 9, 2018	27.20	27.30	27.05	27.15
1016	NASDAQ	ISTR	Wed, Aug 8, 2018	27.16	27.20	27.15	27.20
1015	NASDAQ	ISTR	Tue, Aug 7, 2018	27.15	27.25	27.10	27.20
1014	NASDAQ	ISTR	Mon, Aug 6, 2018	27.10	27.25	27.05	27.15
1013	NASDAQ	ISTR	Fri, Aug 3, 2018	27.15	27.40	26.90	27.10
1012	NASDAQ	ISTR	Thu, Aug 2, 2018	26.90	27.35	26.90	27.30
1011	NASDAQ	ISTR	Wed, Aug 1, 2018	26.89	27.20	26.65	27.10
1010	NASDAQ	ISTR	Tue, Jul 31, 2018	26.50	26.85	26.50	26.80
1009	NASDAQ	ISTR	Mon, Jul 30, 2018	26.20	27.00	26.00	26.55
1008	NASDAQ	ISTR	Fri, Jul 27, 2018	26.65	26.65	26.00	26.10
1007	NASDAQ	ISTR	Thu, Jul 26, 2018	28.00	28.00	25.92	26.95
1006	NASDAQ	ISTR	Wed, Jul 25, 2018	27.20	27.25	25.70	25.70
1005	NASDAQ	ISTR	Tue, Jul 24, 2018	27.20	27.40	27.15	27.15
1004	NASDAQ	ISTR	Mon, Jul 23, 2018	27.10	27.25	27.10	27.25
1003	NASDAQ	ISTR	Fri, Jul 20, 2018	27.15	27.35	27.15	27.20
1002	NASDAQ	ISTR	Thu, Jul 19, 2018	27.15	27.40	26.98	27.25
1001	NASDAQ	ISTR	Wed, Jul 18, 2018	27.25	27.25	27.10	27.15
1000	NASDAQ	ISTR	Tue, Jul 17, 2018	27.50	27.50	27.25	27.30
999	NASDAQ	ISTR	Mon, Jul 16, 2018	27.45	27.65	27.20	27.40
998	NASDAQ	ISTR	Fri, Jul 13, 2018	28.69	28.69	27.60	27.60
997	NASDAQ	ISTR	Thu, Jul 12, 2018	28.00	28.50	27.85	28.50
996	NASDAQ	ISTR	Wed, Jul 11, 2018	28.10	28.75	28.05	28.30
995	NASDAQ	ISTR	Tue, Jul 10, 2018	28.95	29.00	28.45	28.50
994	NASDAQ	ISTR	Mon, Jul 9, 2018	29.40	29.90	29.00	29.25
993	NASDAQ	ISTR	Fri, Jul 6, 2018	28.50	29.90	28.30	29.50
992	NASDAQ	ISTR	Thu, Jul 5, 2018	28.60	28.60	27.60	28.15
991	NASDAQ	ISTR	Tue, Jul 3, 2018	28.55	28.65	28.15	28.45
990	NASDAQ	ISTR	Mon, Jul 2, 2018	27.50	28.35	27.40	28.25
989	NASDAQ	ISTR	Fri, Jun 29, 2018	28.50	28.65	27.25	27.65
988	NASDAQ	ISTR	Thu, Jun 28, 2018	28.40	28.50	28.25	28.30
987	NASDAQ	ISTR	Wed, Jun 27, 2018	28.45	28.50	28.25	28.40
986	NASDAQ	ISTR	Tue, Jun 26, 2018	28.30	28.35	27.95	28.15
985	NASDAQ	ISTR	Mon, Jun 25, 2018	28.00	28.35	27.90	28.15
984	NASDAQ	ISTR	Fri, Jun 22, 2018	28.25	28.85	27.90	28.00
983	NASDAQ	ISTR	Thu, Jun 21, 2018	28.45	28.85	28.05	28.15
982	NASDAQ	ISTR	Wed, Jun 20, 2018	28.15	28.85	28.15	28.50
981	NASDAQ	ISTR	Tue, Jun 19, 2018	28.40	28.50	27.85	27.95
980	NASDAQ	ISTR	Mon, Jun 18, 2018	28.35	28.50	27.88	28.05
979	NASDAQ	ISTR	Fri, Jun 15, 2018	28.05	28.43	28.05	28.25
978	NASDAQ	ISTR	Thu, Jun 14, 2018	28.15	28.65	27.93	28.25
977	NASDAQ	ISTR	Wed, Jun 13, 2018	28.35	28.75	28.00	28.20
976	NASDAQ	ISTR	Tue, Jun 12, 2018	28.59	28.75	28.15	28.35
975	NASDAQ	ISTR	Mon, Jun 11, 2018	28.65	28.85	28.48	28.65
974	NASDAQ	ISTR	Fri, Jun 8, 2018	28.65	28.85	28.65	28.75
973	NASDAQ	ISTR	Thu, Jun 7, 2018	28.75	28.89	28.60	28.80
972	NASDAQ	ISTR	Wed, Jun 6, 2018	28.25	28.95	28.15	28.55
971	NASDAQ	ISTR	Tue, Jun 5, 2018	27.46	28.15	27.46	28.15
970	NASDAQ	ISTR	Mon, Jun 4, 2018	27.85	28.25	27.00	27.20
969	NASDAQ	ISTR	Fri, Jun 1, 2018	27.78	28.20	27.50	27.95
968	NASDAQ	ISTR	Thu, May 31, 2018	27.95	27.95	26.88	27.35
967	NASDAQ	ISTR	Wed, May 30, 2018	27.25	28.00	27.25	27.80
966	NASDAQ	ISTR	Tue, May 29, 2018	27.25	27.45	26.90	27.15
965	NASDAQ	ISTR	Fri, May 25, 2018	27.41	27.50	27.00	27.30
964	NASDAQ	ISTR	Thu, May 24, 2018	27.05	27.50	26.60	27.25
963	NASDAQ	ISTR	Wed, May 23, 2018	26.55	27.42	26.55	27.10
962	NASDAQ	ISTR	Tue, May 22, 2018	27.30	27.35	26.58	26.85
961	NASDAQ	ISTR	Mon, May 21, 2018	26.90	27.40	26.90	27.40
960	NASDAQ	ISTR	Fri, May 18, 2018	26.75	26.95	26.65	26.90
959	NASDAQ	ISTR	Thu, May 17, 2018	26.20	26.65	26.13	26.60
958	NASDAQ	ISTR	Wed, May 16, 2018	25.90	26.35	25.85	26.05
957	NASDAQ	ISTR	Tue, May 15, 2018	25.50	26.15	25.50	25.95
956	NASDAQ	ISTR	Mon, May 14, 2018	25.90	26.10	25.80	25.85
955	NASDAQ	ISTR	Fri, May 11, 2018	26.10	26.33	25.90	26.00
954	NASDAQ	ISTR	Thu, May 10, 2018	26.60	26.60	25.60	26.10
953	NASDAQ	ISTR	Wed, May 9, 2018	26.65	26.85	26.55	26.85
952	NASDAQ	ISTR	Tue, May 8, 2018	26.50	26.70	26.45	26.60
951	NASDAQ	ISTR	Mon, May 7, 2018	26.30	26.40	26.10	26.40
950	NASDAQ	ISTR	Fri, May 4, 2018	25.40	26.05	25.40	26.05
949	NASDAQ	ISTR	Thu, May 3, 2018	25.55	25.55	24.85	25.50
948	NASDAQ	ISTR	Wed, May 2, 2018	25.50	25.70	25.40	25.60
947	NASDAQ	ISTR	Tue, May 1, 2018	24.75	25.65	24.75	25.65
946	NASDAQ	ISTR	Mon, Apr 30, 2018	24.90	25.75	24.90	25.45
945	NASDAQ	ISTR	Fri, Apr 27, 2018	26.00	26.15	25.10	25.40
944	NASDAQ	ISTR	Thu, Apr 26, 2018	27.15	27.20	26.10	26.25
943	NASDAQ	ISTR	Wed, Apr 25, 2018	26.00	27.20	26.00	27.05
942	NASDAQ	ISTR	Tue, Apr 24, 2018	26.95	27.70	26.00	27.15
941	NASDAQ	ISTR	Mon, Apr 23, 2018	26.70	26.70	26.50	26.70
940	NASDAQ	ISTR	Fri, Apr 20, 2018	25.90	27.20	25.90	26.40
939	NASDAQ	ISTR	Thu, Apr 19, 2018	25.68	26.45	25.68	25.90
938	NASDAQ	ISTR	Wed, Apr 18, 2018	26.15	26.70	25.75	26.35
937	NASDAQ	ISTR	Tue, Apr 17, 2018	25.95	26.20	25.90	26.05
936	NASDAQ	ISTR	Mon, Apr 16, 2018	24.89	26.00	24.89	25.65
935	NASDAQ	ISTR	Fri, Apr 13, 2018	24.60	25.85	24.15	25.15
934	NASDAQ	ISTR	Thu, Apr 12, 2018	25.85	25.95	25.05	25.65
933	NASDAQ	ISTR	Wed, Apr 11, 2018	25.80	25.95	25.55	25.85
932	NASDAQ	ISTR	Tue, Apr 10, 2018	25.85	25.85	25.70	25.75
931	NASDAQ	ISTR	Mon, Apr 9, 2018	25.75	25.90	25.60	25.65
930	NASDAQ	ISTR	Fri, Apr 6, 2018	25.85	25.90	24.90	25.25
929	NASDAQ	ISTR	Thu, Apr 5, 2018	25.80	25.80	25.32	25.75
928	NASDAQ	ISTR	Wed, Apr 4, 2018	24.85	25.85	24.85	25.68
927	NASDAQ	ISTR	Tue, Apr 3, 2018	25.98	25.98	24.05	25.00
926	NASDAQ	ISTR	Mon, Apr 2, 2018	25.90	25.90	24.75	24.95
925	NASDAQ	ISTR	Thu, Mar 29, 2018	25.20	25.95	25.15	25.85
924	NASDAQ	ISTR	Wed, Mar 28, 2018	25.60	25.95	25.05	25.20
923	NASDAQ	ISTR	Tue, Mar 27, 2018	25.60	25.95	25.35	25.50
922	NASDAQ	ISTR	Mon, Mar 26, 2018	25.00	26.00	24.90	25.65
921	NASDAQ	ISTR	Fri, Mar 23, 2018	26.00	26.00	24.75	25.10
920	NASDAQ	ISTR	Thu, Mar 22, 2018	25.60	26.20	25.45	25.70
919	NASDAQ	ISTR	Wed, Mar 21, 2018	26.00	26.50	26.00	26.15
918	NASDAQ	ISTR	Tue, Mar 20, 2018	26.10	26.50	26.10	26.25
917	NASDAQ	ISTR	Mon, Mar 19, 2018	25.90	26.45	25.90	26.25
916	NASDAQ	ISTR	Fri, Mar 16, 2018	25.30	26.55	25.20	26.15
915	NASDAQ	ISTR	Thu, Mar 15, 2018	25.20	25.55	25.20	25.45
914	NASDAQ	ISTR	Wed, Mar 14, 2018	25.35	25.50	25.10	25.25
913	NASDAQ	ISTR	Tue, Mar 13, 2018	25.10	25.50	24.80	25.35
912	NASDAQ	ISTR	Mon, Mar 12, 2018	25.20	25.45	24.70	25.45
911	NASDAQ	ISTR	Fri, Mar 9, 2018	25.30	25.40	25.00	25.35
910	NASDAQ	ISTR	Thu, Mar 8, 2018	25.50	25.50	24.60	24.85
909	NASDAQ	ISTR	Wed, Mar 7, 2018	25.05	25.40	25.05	25.30
908	NASDAQ	ISTR	Tue, Mar 6, 2018	24.50	25.10	24.50	24.95
907	NASDAQ	ISTR	Mon, Mar 5, 2018	23.95	25.10	23.95	25.00
906	NASDAQ	ISTR	Fri, Mar 2, 2018	24.25	24.55	24.20	24.30
905	NASDAQ	ISTR	Thu, Mar 1, 2018	24.45	24.53	24.25	24.30
904	NASDAQ	ISTR	Wed, Feb 28, 2018	24.91	24.95	24.35	24.35
903	NASDAQ	ISTR	Tue, Feb 27, 2018	24.35	25.10	24.35	24.95
902	NASDAQ	ISTR	Mon, Feb 26, 2018	24.25	24.55	23.95	24.50
901	NASDAQ	ISTR	Fri, Feb 23, 2018	24.65	24.80	24.20	24.25
900	NASDAQ	ISTR	Thu, Feb 22, 2018	24.75	24.75	24.15	24.55
899	NASDAQ	ISTR	Wed, Feb 21, 2018	24.50	24.95	24.30	24.75
898	NASDAQ	ISTR	Tue, Feb 20, 2018	24.85	24.90	24.40	24.50
897	NASDAQ	ISTR	Fri, Feb 16, 2018	24.30	25.25	24.30	25.00
896	NASDAQ	ISTR	Thu, Feb 15, 2018	24.95	24.95	24.30	24.45
895	NASDAQ	ISTR	Wed, Feb 14, 2018	24.10	24.65	23.85	24.35
894	NASDAQ	ISTR	Tue, Feb 13, 2018	24.25	24.35	23.75	24.25
893	NASDAQ	ISTR	Mon, Feb 12, 2018	24.40	24.80	24.10	24.35
892	NASDAQ	ISTR	Fri, Feb 9, 2018	23.75	24.35	23.70	24.20
891	NASDAQ	ISTR	Thu, Feb 8, 2018	24.00	24.00	23.45	23.50
890	NASDAQ	ISTR	Wed, Feb 7, 2018	24.20	24.35	24.00	24.00
889	NASDAQ	ISTR	Tue, Feb 6, 2018	23.90	24.25	23.90	24.10
888	NASDAQ	ISTR	Mon, Feb 5, 2018	25.15	25.15	24.00	24.00
887	NASDAQ	ISTR	Fri, Feb 2, 2018	25.60	25.95	25.25	25.25
886	NASDAQ	ISTR	Thu, Feb 1, 2018	25.35	25.70	25.25	25.70
885	NASDAQ	ISTR	Wed, Jan 31, 2018	24.70	25.55	24.70	25.25
884	NASDAQ	ISTR	Tue, Jan 30, 2018	24.75	24.95	24.60	24.95
883	NASDAQ	ISTR	Mon, Jan 29, 2018	24.50	24.80	24.50	24.75
882	NASDAQ	ISTR	Fri, Jan 26, 2018	24.00	24.70	24.00	24.70
881	NASDAQ	ISTR	Thu, Jan 25, 2018	24.75	24.75	23.75	24.15
880	NASDAQ	ISTR	Wed, Jan 24, 2018	24.40	24.80	24.10	24.50
879	NASDAQ	ISTR	Tue, Jan 23, 2018	24.40	24.50	24.40	24.50
878	NASDAQ	ISTR	Mon, Jan 22, 2018	24.50	24.50	24.35	24.35
877	NASDAQ	ISTR	Fri, Jan 19, 2018	24.55	24.80	24.15	24.65
876	NASDAQ	ISTR	Thu, Jan 18, 2018	25.40	25.45	24.55	24.65
875	NASDAQ	ISTR	Wed, Jan 17, 2018	25.35	25.50	25.14	25.50
874	NASDAQ	ISTR	Tue, Jan 16, 2018	24.85	25.55	24.85	25.30
873	NASDAQ	ISTR	Fri, Jan 12, 2018	24.70	24.85	24.45	24.70
872	NASDAQ	ISTR	Thu, Jan 11, 2018	24.40	24.65	24.40	24.65
871	NASDAQ	ISTR	Wed, Jan 10, 2018	23.95	24.25	23.80	24.20
870	NASDAQ	ISTR	Tue, Jan 9, 2018	23.75	24.00	23.60	23.88
869	NASDAQ	ISTR	Mon, Jan 8, 2018	23.75	23.85	23.70	23.70
868	NASDAQ	ISTR	Fri, Jan 5, 2018	23.85	23.90	23.65	23.85
867	NASDAQ	ISTR	Thu, Jan 4, 2018	23.60	23.85	23.60	23.85
866	NASDAQ	ISTR	Wed, Jan 3, 2018	23.65	23.70	23.30	23.55
865	NASDAQ	ISTR	Tue, Jan 2, 2018	23.10	24.00	23.10	23.55
864	NASDAQ	ISTR	Fri, Dec 29, 2017	24.40	24.40	23.80	24.10
863	NASDAQ	ISTR	Thu, Dec 28, 2017	24.35	24.40	24.30	24.40
862	NASDAQ	ISTR	Wed, Dec 27, 2017	24.40	24.45	24.30	24.40
861	NASDAQ	ISTR	Tue, Dec 26, 2017	24.45	24.45	24.35	24.40
860	NASDAQ	ISTR	Fri, Dec 22, 2017	24.55	24.55	24.20	24.20
859	NASDAQ	ISTR	Thu, Dec 21, 2017	24.05	24.55	24.05	24.50
858	NASDAQ	ISTR	Wed, Dec 20, 2017	24.45	24.45	24.25	24.30
857	NASDAQ	ISTR	Tue, Dec 19, 2017	24.55	24.60	24.35	24.35
856	NASDAQ	ISTR	Mon, Dec 18, 2017	24.20	24.50	24.20	24.50
855	NASDAQ	ISTR	Fri, Dec 15, 2017	23.65	24.40	23.65	24.10
854	NASDAQ	ISTR	Thu, Dec 14, 2017	23.95	24.15	23.70	23.70
853	NASDAQ	ISTR	Wed, Dec 13, 2017	23.78	23.95	23.78	23.95
852	NASDAQ	ISTR	Tue, Dec 12, 2017	23.80	23.85	23.65	23.65
851	NASDAQ	ISTR	Mon, Dec 11, 2017	23.60	23.90	23.25	23.65
850	NASDAQ	ISTR	Fri, Dec 8, 2017	23.80	23.80	23.65	23.65
849	NASDAQ	ISTR	Thu, Dec 7, 2017	23.65	23.75	23.65	23.75
848	NASDAQ	ISTR	Wed, Dec 6, 2017	23.60	23.85	23.53	23.70
847	NASDAQ	ISTR	Tue, Dec 5, 2017	23.55	23.60	23.55	23.55
846	NASDAQ	ISTR	Mon, Dec 4, 2017	23.60	23.70	23.35	23.50
845	NASDAQ	ISTR	Fri, Dec 1, 2017	23.40	23.60	23.00	23.55
844	NASDAQ	ISTR	Thu, Nov 30, 2017	23.55	23.60	23.25	23.45
843	NASDAQ	ISTR	Wed, Nov 29, 2017	23.50	23.55	23.02	23.50
842	NASDAQ	ISTR	Tue, Nov 28, 2017	23.00	23.50	22.80	23.50
841	NASDAQ	ISTR	Mon, Nov 27, 2017	23.00	23.25	22.75	23.00
840	NASDAQ	ISTR	Fri, Nov 24, 2017	22.80	23.35	22.80	23.35
839	NASDAQ	ISTR	Wed, Nov 22, 2017	23.17	23.25	23.17	23.25
838	NASDAQ	ISTR	Tue, Nov 21, 2017	23.45	23.55	23.15	23.30
837	NASDAQ	ISTR	Mon, Nov 20, 2017	23.50	23.50	23.25	23.45
836	NASDAQ	ISTR	Fri, Nov 17, 2017	23.25	23.50	23.25	23.40
835	NASDAQ	ISTR	Thu, Nov 16, 2017	23.15	23.40	23.15	23.35
834	NASDAQ	ISTR	Wed, Nov 15, 2017	23.10	23.35	23.05	23.15
833	NASDAQ	ISTR	Tue, Nov 14, 2017	23.00	23.25	23.00	23.15
832	NASDAQ	ISTR	Mon, Nov 13, 2017	22.65	23.15	22.65	23.15
831	NASDAQ	ISTR	Fri, Nov 10, 2017	22.85	22.95	22.85	22.90
830	NASDAQ	ISTR	Thu, Nov 9, 2017	22.80	23.00	22.70	22.85
829	NASDAQ	ISTR	Wed, Nov 8, 2017	23.00	23.10	20.35	23.05
828	NASDAQ	ISTR	Tue, Nov 7, 2017	23.50	23.50	23.05	23.05
827	NASDAQ	ISTR	Mon, Nov 6, 2017	23.21	23.35	23.20	23.35
826	NASDAQ	ISTR	Fri, Nov 3, 2017	23.10	23.55	23.10	23.40
825	NASDAQ	ISTR	Thu, Nov 2, 2017	22.90	23.25	22.90	23.20
824	NASDAQ	ISTR	Wed, Nov 1, 2017	23.37	23.37	22.85	23.05
823	NASDAQ	ISTR	Tue, Oct 31, 2017	23.35	23.40	22.98	23.20
822	NASDAQ	ISTR	Mon, Oct 30, 2017	23.50	24.00	23.20	23.20
821	NASDAQ	ISTR	Fri, Oct 27, 2017	23.55	24.20	23.50	24.20
820	NASDAQ	ISTR	Thu, Oct 26, 2017	23.85	23.85	23.55	23.70
819	NASDAQ	ISTR	Wed, Oct 25, 2017	24.07	24.35	24.00	24.35
818	NASDAQ	ISTR	Tue, Oct 24, 2017	24.20	24.25	23.95	24.10
817	NASDAQ	ISTR	Mon, Oct 23, 2017	24.40	24.40	24.20	24.25
816	NASDAQ	ISTR	Fri, Oct 20, 2017	24.35	24.40	24.30	24.40
815	NASDAQ	ISTR	Thu, Oct 19, 2017	24.05	24.20	24.05	24.15
814	NASDAQ	ISTR	Wed, Oct 18, 2017	23.70	24.15	23.70	24.00
813	NASDAQ	ISTR	Tue, Oct 17, 2017	23.85	23.90	23.45	23.55
812	NASDAQ	ISTR	Mon, Oct 16, 2017	23.75	23.90	23.70	23.90
811	NASDAQ	ISTR	Fri, Oct 13, 2017	23.85	23.90	23.60	23.70
810	NASDAQ	ISTR	Thu, Oct 12, 2017	24.05	24.10	23.35	23.55
809	NASDAQ	ISTR	Wed, Oct 11, 2017	24.15	24.25	24.00	24.10
808	NASDAQ	ISTR	Tue, Oct 10, 2017	24.10	24.20	23.90	24.20
807	NASDAQ	ISTR	Mon, Oct 9, 2017	24.20	24.20	23.90	24.05
806	NASDAQ	ISTR	Fri, Oct 6, 2017	24.15	24.30	23.75	23.90
805	NASDAQ	ISTR	Thu, Oct 5, 2017	24.15	24.20	23.95	24.20
804	NASDAQ	ISTR	Wed, Oct 4, 2017	23.95	24.30	23.75	24.00
803	NASDAQ	ISTR	Tue, Oct 3, 2017	24.40	24.40	23.20	24.10
802	NASDAQ	ISTR	Mon, Oct 2, 2017	24.25	24.30	24.20	24.30
801	NASDAQ	ISTR	Fri, Sep 29, 2017	23.90	24.15	23.90	24.10
800	NASDAQ	ISTR	Thu, Sep 28, 2017	23.85	23.95	23.60	23.90
799	NASDAQ	ISTR	Wed, Sep 27, 2017	23.65	23.85	23.60	23.80
798	NASDAQ	ISTR	Tue, Sep 26, 2017	23.15	23.53	23.15	23.45
797	NASDAQ	ISTR	Mon, Sep 25, 2017	23.25	23.30	23.20	23.25
796	NASDAQ	ISTR	Fri, Sep 22, 2017	22.95	23.30	22.95	23.30
795	NASDAQ	ISTR	Thu, Sep 21, 2017	23.20	23.25	23.10	23.15
794	NASDAQ	ISTR	Wed, Sep 20, 2017	23.00	23.15	22.95	23.15
793	NASDAQ	ISTR	Tue, Sep 19, 2017	22.90	23.00	22.90	23.00
792	NASDAQ	ISTR	Mon, Sep 18, 2017	22.85	23.00	22.80	22.85
791	NASDAQ	ISTR	Fri, Sep 15, 2017	22.55	22.88	22.00	22.80
790	NASDAQ	ISTR	Thu, Sep 14, 2017	22.45	22.85	21.85	22.50
789	NASDAQ	ISTR	Wed, Sep 13, 2017	22.65	22.90	22.65	22.80
788	NASDAQ	ISTR	Tue, Sep 12, 2017	22.90	22.90	22.45	22.85
787	NASDAQ	ISTR	Mon, Sep 11, 2017	22.25	22.60	22.20	22.60
786	NASDAQ	ISTR	Fri, Sep 8, 2017	21.90	22.20	21.90	22.05
785	NASDAQ	ISTR	Thu, Sep 7, 2017	22.58	22.60	21.80	22.20
784	NASDAQ	ISTR	Wed, Sep 6, 2017	21.85	22.65	21.85	22.45
783	NASDAQ	ISTR	Tue, Sep 5, 2017	21.50	22.10	21.50	21.95
782	NASDAQ	ISTR	Fri, Sep 1, 2017	22.00	22.40	21.85	22.30
781	NASDAQ	ISTR	Thu, Aug 31, 2017	21.75	22.25	21.68	22.00
780	NASDAQ	ISTR	Wed, Aug 30, 2017	21.55	21.85	21.55	21.75
779	NASDAQ	ISTR	Tue, Aug 29, 2017	21.55	21.65	21.45	21.65
778	NASDAQ	ISTR	Mon, Aug 28, 2017	21.55	21.75	21.55	21.65
777	NASDAQ	ISTR	Fri, Aug 25, 2017	21.70	21.80	21.45	21.55
776	NASDAQ	ISTR	Thu, Aug 24, 2017	21.55	21.75	21.50	21.65
775	NASDAQ	ISTR	Wed, Aug 23, 2017	21.75	21.75	21.55	21.65
774	NASDAQ	ISTR	Tue, Aug 22, 2017	21.81	21.96	21.75	21.80
773	NASDAQ	ISTR	Mon, Aug 21, 2017	21.90	22.00	21.75	21.85
772	NASDAQ	ISTR	Fri, Aug 18, 2017	21.90	22.30	21.90	22.00
771	NASDAQ	ISTR	Thu, Aug 17, 2017	22.65	22.65	21.90	22.05
770	NASDAQ	ISTR	Wed, Aug 16, 2017	23.00	23.00	22.75	22.75
769	NASDAQ	ISTR	Tue, Aug 15, 2017	23.15	23.15	22.90	23.10
768	NASDAQ	ISTR	Mon, Aug 14, 2017	23.00	23.05	22.85	23.00
767	NASDAQ	ISTR	Fri, Aug 11, 2017	22.50	22.85	21.61	22.80
766	NASDAQ	ISTR	Thu, Aug 10, 2017	22.55	22.70	22.20	22.40
765	NASDAQ	ISTR	Wed, Aug 9, 2017	22.75	23.00	22.75	22.75
764	NASDAQ	ISTR	Tue, Aug 8, 2017	22.84	22.95	22.60	22.95
763	NASDAQ	ISTR	Mon, Aug 7, 2017	22.50	22.85	22.34	22.75
762	NASDAQ	ISTR	Fri, Aug 4, 2017	22.50	22.70	22.50	22.65
761	NASDAQ	ISTR	Thu, Aug 3, 2017	22.60	22.60	22.45	22.50
760	NASDAQ	ISTR	Wed, Aug 2, 2017	22.15	22.70	22.15	22.50
759	NASDAQ	ISTR	Tue, Aug 1, 2017	22.65	22.90	22.65	22.85
758	NASDAQ	ISTR	Mon, Jul 31, 2017	22.45	22.80	22.45	22.65
757	NASDAQ	ISTR	Fri, Jul 28, 2017	22.65	22.75	22.55	22.65
756	NASDAQ	ISTR	Thu, Jul 27, 2017	22.35	22.90	22.35	22.45
755	NASDAQ	ISTR	Wed, Jul 26, 2017	23.25	23.30	22.20	23.05
754	NASDAQ	ISTR	Tue, Jul 25, 2017	22.50	23.30	20.25	23.00
753	NASDAQ	ISTR	Mon, Jul 24, 2017	22.60	22.72	22.35	22.45
752	NASDAQ	ISTR	Fri, Jul 21, 2017	23.50	23.50	22.40	22.70
751	NASDAQ	ISTR	Thu, Jul 20, 2017	22.70	23.30	22.70	23.30
750	NASDAQ	ISTR	Wed, Jul 19, 2017	22.55	23.30	22.35	22.80
749	NASDAQ	ISTR	Tue, Jul 18, 2017	23.20	23.20	22.60	23.05
748	NASDAQ	ISTR	Mon, Jul 17, 2017	22.80	23.30	21.90	23.30
747	NASDAQ	ISTR	Fri, Jul 14, 2017	23.10	23.25	22.70	22.90
746	NASDAQ	ISTR	Thu, Jul 13, 2017	23.08	23.30	23.00	23.30
745	NASDAQ	ISTR	Wed, Jul 12, 2017	22.75	23.25	22.00	23.25
744	NASDAQ	ISTR	Tue, Jul 11, 2017	22.45	23.00	21.90	22.85
743	NASDAQ	ISTR	Mon, Jul 10, 2017	22.40	22.75	21.95	22.40
742	NASDAQ	ISTR	Fri, Jul 7, 2017	22.80	22.80	22.35	22.55
741	NASDAQ	ISTR	Thu, Jul 6, 2017	22.80	23.05	22.35	22.40
740	NASDAQ	ISTR	Wed, Jul 5, 2017	23.20	23.45	22.78	23.40
739	NASDAQ	ISTR	Mon, Jul 3, 2017	22.85	23.35	22.65	23.30
738	NASDAQ	ISTR	Fri, Jun 30, 2017	22.55	23.28	21.60	22.90
737	NASDAQ	ISTR	Thu, Jun 29, 2017	23.50	23.50	22.50	22.60
736	NASDAQ	ISTR	Wed, Jun 28, 2017	23.20	23.45	22.70	23.35
735	NASDAQ	ISTR	Tue, Jun 27, 2017	23.20	23.25	23.05	23.25
734	NASDAQ	ISTR	Mon, Jun 26, 2017	22.95	23.20	22.90	23.10
733	NASDAQ	ISTR	Fri, Jun 23, 2017	22.40	23.00	21.90	22.80
732	NASDAQ	ISTR	Thu, Jun 22, 2017	22.70	23.05	22.03	22.20
731	NASDAQ	ISTR	Wed, Jun 21, 2017	23.10	23.30	22.45	22.65
730	NASDAQ	ISTR	Tue, Jun 20, 2017	22.40	23.75	22.40	23.15
729	NASDAQ	ISTR	Mon, Jun 19, 2017	22.90	23.20	22.10	22.65
728	NASDAQ	ISTR	Fri, Jun 16, 2017	23.10	23.30	23.00	23.00
727	NASDAQ	ISTR	Thu, Jun 15, 2017	22.95	23.05	22.75	23.05
726	NASDAQ	ISTR	Wed, Jun 14, 2017	22.90	22.90	22.25	22.75
725	NASDAQ	ISTR	Tue, Jun 13, 2017	22.95	23.15	22.80	22.85
724	NASDAQ	ISTR	Mon, Jun 12, 2017	22.00	22.90	22.00	22.65
723	NASDAQ	ISTR	Fri, Jun 9, 2017	22.90	23.00	22.85	22.95
722	NASDAQ	ISTR	Thu, Jun 8, 2017	22.35	22.90	22.15	22.80
721	NASDAQ	ISTR	Wed, Jun 7, 2017	22.15	22.55	22.00	22.50
720	NASDAQ	ISTR	Tue, Jun 6, 2017	21.83	22.25	21.83	21.95
719	NASDAQ	ISTR	Mon, Jun 5, 2017	21.95	22.28	21.95	22.25
718	NASDAQ	ISTR	Fri, Jun 2, 2017	21.85	22.10	21.80	22.10
717	NASDAQ	ISTR	Thu, Jun 1, 2017	21.90	22.15	21.28	21.75
716	NASDAQ	ISTR	Wed, May 31, 2017	21.95	22.05	21.85	21.95
715	NASDAQ	ISTR	Tue, May 30, 2017	22.25	22.25	21.80	21.95
714	NASDAQ	ISTR	Fri, May 26, 2017	22.20	22.50	21.85	22.25
713	NASDAQ	ISTR	Thu, May 25, 2017	22.00	22.40	21.95	22.40
712	NASDAQ	ISTR	Wed, May 24, 2017	21.95	22.00	21.90	21.90
711	NASDAQ	ISTR	Tue, May 23, 2017	22.35	22.50	21.90	22.00
710	NASDAQ	ISTR	Mon, May 22, 2017	22.65	22.70	22.45	22.50
709	NASDAQ	ISTR	Fri, May 19, 2017	22.70	22.75	22.35	22.45
708	NASDAQ	ISTR	Thu, May 18, 2017	22.49	22.80	22.20	22.55
707	NASDAQ	ISTR	Wed, May 17, 2017	22.55	22.90	22.45	22.65
706	NASDAQ	ISTR	Tue, May 16, 2017	22.80	22.90	22.60	22.80
705	NASDAQ	ISTR	Mon, May 15, 2017	22.75	22.90	22.60	22.80
704	NASDAQ	ISTR	Fri, May 12, 2017	22.75	22.80	22.60	22.75
703	NASDAQ	ISTR	Thu, May 11, 2017	22.80	22.80	22.65	22.70
702	NASDAQ	ISTR	Wed, May 10, 2017	22.80	22.80	22.75	22.80
701	NASDAQ	ISTR	Tue, May 9, 2017	22.80	22.85	22.65	22.75
700	NASDAQ	ISTR	Mon, May 8, 2017	22.60	22.70	22.15	22.70
699	NASDAQ	ISTR	Fri, May 5, 2017	22.55	22.65	22.55	22.60
698	NASDAQ	ISTR	Thu, May 4, 2017	22.45	22.60	22.35	22.60
697	NASDAQ	ISTR	Wed, May 3, 2017	22.50	22.50	22.35	22.45
696	NASDAQ	ISTR	Tue, May 2, 2017	22.01	22.45	22.01	22.40
695	NASDAQ	ISTR	Mon, May 1, 2017	22.40	22.40	21.35	22.30
694	NASDAQ	ISTR	Fri, Apr 28, 2017	22.50	22.50	22.25	22.25
693	NASDAQ	ISTR	Thu, Apr 27, 2017	22.40	22.60	22.25	22.35
692	NASDAQ	ISTR	Wed, Apr 26, 2017	22.45	22.45	22.35	22.45
691	NASDAQ	ISTR	Tue, Apr 25, 2017	22.30	22.60	22.30	22.40
690	NASDAQ	ISTR	Mon, Apr 24, 2017	22.20	22.38	22.20	22.25
689	NASDAQ	ISTR	Fri, Apr 21, 2017	21.90	22.10	21.85	22.00
688	NASDAQ	ISTR	Thu, Apr 20, 2017	21.95	22.00	21.80	21.80
687	NASDAQ	ISTR	Wed, Apr 19, 2017	22.00	22.05	21.85	22.00
686	NASDAQ	ISTR	Tue, Apr 18, 2017	21.91	22.10	21.91	22.00
685	NASDAQ	ISTR	Mon, Apr 17, 2017	22.05	22.10	21.90	21.90
684	NASDAQ	ISTR	Thu, Apr 13, 2017	22.00	22.10	21.90	22.10
683	NASDAQ	ISTR	Wed, Apr 12, 2017	21.90	22.10	21.85	22.10
682	NASDAQ	ISTR	Tue, Apr 11, 2017	21.85	21.95	21.85	21.90
681	NASDAQ	ISTR	Mon, Apr 10, 2017	22.05	22.10	21.80	22.05
680	NASDAQ	ISTR	Fri, Apr 7, 2017	21.95	22.10	21.95	22.05
679	NASDAQ	ISTR	Thu, Apr 6, 2017	22.10	22.10	21.70	22.10
678	NASDAQ	ISTR	Wed, Apr 5, 2017	22.21	22.30	22.10	22.10
677	NASDAQ	ISTR	Tue, Apr 4, 2017	22.15	22.20	22.15	22.15
676	NASDAQ	ISTR	Mon, Apr 3, 2017	22.05	22.20	21.80	22.20
675	NASDAQ	ISTR	Fri, Mar 31, 2017	22.13	22.35	21.70	21.90
674	NASDAQ	ISTR	Thu, Mar 30, 2017	22.00	22.40	21.98	22.30
673	NASDAQ	ISTR	Wed, Mar 29, 2017	22.10	22.10	21.85	22.00
672	NASDAQ	ISTR	Tue, Mar 28, 2017	22.15	22.20	21.90	22.10
671	NASDAQ	ISTR	Mon, Mar 27, 2017	22.00	22.20	21.85	22.15
670	NASDAQ	ISTR	Fri, Mar 24, 2017	22.05	22.05	21.75	22.05
669	NASDAQ	ISTR	Thu, Mar 23, 2017	21.70	22.05	21.60	21.95
668	NASDAQ	ISTR	Wed, Mar 22, 2017	21.65	21.80	21.55	21.65
667	NASDAQ	ISTR	Tue, Mar 21, 2017	21.80	22.20	21.55	21.65
666	NASDAQ	ISTR	Mon, Mar 20, 2017	22.10	22.10	21.80	21.90
665	NASDAQ	ISTR	Fri, Mar 17, 2017	21.75	22.50	21.75	21.75
664	NASDAQ	ISTR	Thu, Mar 16, 2017	21.50	21.70	21.35	21.60
663	NASDAQ	ISTR	Wed, Mar 15, 2017	21.40	21.80	21.40	21.55
662	NASDAQ	ISTR	Tue, Mar 14, 2017	21.60	21.60	21.35	21.40
661	NASDAQ	ISTR	Mon, Mar 13, 2017	21.20	21.75	21.20	21.75
660	NASDAQ	ISTR	Fri, Mar 10, 2017	21.85	21.85	21.25	21.25
659	NASDAQ	ISTR	Thu, Mar 9, 2017	21.00	21.60	21.00	21.45
658	NASDAQ	ISTR	Wed, Mar 8, 2017	19.85	19.95	19.85	19.85
657	NASDAQ	ISTR	Tue, Mar 7, 2017	20.75	20.75	19.80	19.80
656	NASDAQ	ISTR	Mon, Mar 6, 2017	20.55	20.80	20.20	20.45
655	NASDAQ	ISTR	Fri, Mar 3, 2017	20.45	20.50	20.43	20.50
654	NASDAQ	ISTR	Thu, Mar 2, 2017	20.40	20.40	20.35	20.37
653	NASDAQ	ISTR	Wed, Mar 1, 2017	20.09	20.40	20.09	20.25
652	NASDAQ	ISTR	Tue, Feb 28, 2017	20.45	20.45	20.15	20.15
651	NASDAQ	ISTR	Mon, Feb 27, 2017	20.25	20.65	20.10	20.55
650	NASDAQ	ISTR	Fri, Feb 24, 2017	20.50	20.70	20.35	20.50
649	NASDAQ	ISTR	Thu, Feb 23, 2017	20.55	20.55	20.55	20.55
648	NASDAQ	ISTR	Wed, Feb 22, 2017	20.50	20.55	20.50	20.55
647	NASDAQ	ISTR	Tue, Feb 21, 2017	20.32	20.40	20.28	20.40
646	NASDAQ	ISTR	Fri, Feb 17, 2017	20.10	20.20	20.05	20.20
645	NASDAQ	ISTR	Thu, Feb 16, 2017	19.90	20.20	19.90	20.10
644	NASDAQ	ISTR	Wed, Feb 15, 2017	20.00	20.03	19.90	19.90
643	NASDAQ	ISTR	Tue, Feb 14, 2017	19.95	20.05	19.95	20.00
642	NASDAQ	ISTR	Mon, Feb 13, 2017	19.95	20.10	19.85	20.10
641	NASDAQ	ISTR	Fri, Feb 10, 2017	19.99	19.99	19.75	19.75
640	NASDAQ	ISTR	Thu, Feb 9, 2017	19.94	19.95	19.88	19.88
639	NASDAQ	ISTR	Wed, Feb 8, 2017	19.57	19.95	19.57	19.70
638	NASDAQ	ISTR	Tue, Feb 7, 2017	19.50	19.50	19.50	19.50
637	NASDAQ	ISTR	Mon, Feb 6, 2017	19.75	19.75	19.70	19.72
636	NASDAQ	ISTR	Fri, Feb 3, 2017	19.60	19.75	19.50	19.50
635	NASDAQ	ISTR	Thu, Feb 2, 2017	19.11	19.60	19.11	19.60
634	NASDAQ	ISTR	Wed, Feb 1, 2017	18.86	19.27	18.86	19.27
633	NASDAQ	ISTR	Tue, Jan 31, 2017	18.31	19.15	18.31	18.75
632	NASDAQ	ISTR	Mon, Jan 30, 2017	18.85	18.90	18.79	18.90
631	NASDAQ	ISTR	Fri, Jan 27, 2017	19.75	19.75	18.90	19.01
630	NASDAQ	ISTR	Thu, Jan 26, 2017	19.85	19.85	19.85	19.85
629	NASDAQ	ISTR	Wed, Jan 25, 2017	19.40	20.00	19.25	19.71
628	NASDAQ	ISTR	Tue, Jan 24, 2017	19.20	19.70	19.20	19.50
627	NASDAQ	ISTR	Mon, Jan 23, 2017	19.60	19.65	19.12	19.60
626	NASDAQ	ISTR	Fri, Jan 20, 2017	19.25	19.50	19.25	19.40
625	NASDAQ	ISTR	Thu, Jan 19, 2017	19.40	19.45	19.26	19.45
624	NASDAQ	ISTR	Wed, Jan 18, 2017	19.50	19.50	19.30	19.35
623	NASDAQ	ISTR	Tue, Jan 17, 2017	19.45	19.50	19.10	19.25
622	NASDAQ	ISTR	Fri, Jan 13, 2017	19.55	19.87	19.55	19.60
621	NASDAQ	ISTR	Thu, Jan 12, 2017	0.00	0.00	0.00	19.35
620	NASDAQ	ISTR	Wed, Jan 11, 2017	19.35	19.35	19.35	19.35
619	NASDAQ	ISTR	Tue, Jan 10, 2017	19.30	19.38	19.30	19.35
618	NASDAQ	ISTR	Mon, Jan 9, 2017	19.10	19.65	19.05	19.65
617	NASDAQ	ISTR	Fri, Jan 6, 2017	19.25	19.28	19.05	19.05
616	NASDAQ	ISTR	Thu, Jan 5, 2017	19.15	19.45	19.14	19.45
615	NASDAQ	ISTR	Wed, Jan 4, 2017	18.97	19.28	18.97	19.05
614	NASDAQ	ISTR	Tue, Jan 3, 2017	18.50	18.95	18.50	18.95
613	NASDAQ	ISTR	Fri, Dec 30, 2016	19.57	19.70	18.55	18.65
612	NASDAQ	ISTR	Thu, Dec 29, 2016	18.46	19.60	18.35	19.60
611	NASDAQ	ISTR	Wed, Dec 28, 2016	18.55	18.93	18.20	18.30
610	NASDAQ	ISTR	Tue, Dec 27, 2016	18.30	18.30	18.30	18.30
609	NASDAQ	ISTR	Fri, Dec 23, 2016	18.35	18.55	18.25	18.55
608	NASDAQ	ISTR	Thu, Dec 22, 2016	18.22	18.67	18.20	18.30
607	NASDAQ	ISTR	Wed, Dec 21, 2016	18.20	18.83	18.20	18.55
606	NASDAQ	ISTR	Tue, Dec 20, 2016	0.00	0.00	0.00	19.05
605	NASDAQ	ISTR	Mon, Dec 19, 2016	19.05	19.25	19.00	19.05
604	NASDAQ	ISTR	Fri, Dec 16, 2016	19.45	19.50	18.95	19.50
603	NASDAQ	ISTR	Thu, Dec 15, 2016	18.80	19.10	18.80	18.85
602	NASDAQ	ISTR	Wed, Dec 14, 2016	19.20	19.20	18.65	19.15
601	NASDAQ	ISTR	Tue, Dec 13, 2016	18.65	19.25	18.60	18.60
600	NASDAQ	ISTR	Mon, Dec 12, 2016	19.24	19.24	19.24	19.24
599	NASDAQ	ISTR	Fri, Dec 9, 2016	18.75	19.20	18.70	18.70
598	NASDAQ	ISTR	Thu, Dec 8, 2016	19.25	19.25	19.05	19.05
597	NASDAQ	ISTR	Wed, Dec 7, 2016	18.90	19.58	18.82	19.10
596	NASDAQ	ISTR	Tue, Dec 6, 2016	18.00	18.75	18.00	18.60
595	NASDAQ	ISTR	Mon, Dec 5, 2016	18.03	18.05	17.95	18.05
594	NASDAQ	ISTR	Fri, Dec 2, 2016	18.00	18.21	17.95	17.95
593	NASDAQ	ISTR	Thu, Dec 1, 2016	17.99	18.10	17.90	17.90
592	NASDAQ	ISTR	Wed, Nov 30, 2016	17.95	18.05	17.95	18.05
591	NASDAQ	ISTR	Tue, Nov 29, 2016	17.90	18.53	17.90	18.18
590	NASDAQ	ISTR	Mon, Nov 28, 2016	17.65	17.90	17.65	17.90
589	NASDAQ	ISTR	Fri, Nov 25, 2016	17.12	18.00	17.12	18.00
588	NASDAQ	ISTR	Wed, Nov 23, 2016	17.75	17.75	17.33	17.70
587	NASDAQ	ISTR	Tue, Nov 22, 2016	17.70	17.90	17.80	17.90
586	NASDAQ	ISTR	Mon, Nov 21, 2016	17.05	17.90	17.05	17.80
585	NASDAQ	ISTR	Fri, Nov 18, 2016	17.90	17.90	17.78	17.85
584	NASDAQ	ISTR	Thu, Nov 17, 2016	17.10	17.35	17.10	17.35
583	NASDAQ	ISTR	Wed, Nov 16, 2016	17.15	17.15	17.00	17.10
582	NASDAQ	ISTR	Tue, Nov 15, 2016	16.60	17.00	16.60	17.00
581	NASDAQ	ISTR	Mon, Nov 14, 2016	16.60	17.00	16.30	16.70
580	NASDAQ	ISTR	Fri, Nov 11, 2016	16.37	16.37	16.25	16.25
579	NASDAQ	ISTR	Thu, Nov 10, 2016	16.15	16.40	16.15	16.40
578	NASDAQ	ISTR	Wed, Nov 9, 2016	16.15	16.20	16.15	16.20
577	NASDAQ	ISTR	Tue, Nov 8, 2016	16.20	16.29	16.00	16.00
576	NASDAQ	ISTR	Mon, Nov 7, 2016	16.48	16.48	16.25	16.25
575	NASDAQ	ISTR	Fri, Nov 4, 2016	16.54	16.65	16.05	16.05
574	NASDAQ	ISTR	Thu, Nov 3, 2016	16.15	16.15	16.00	16.00
573	NASDAQ	ISTR	Wed, Nov 2, 2016	16.15	16.25	16.15	16.25
572	NASDAQ	ISTR	Tue, Nov 1, 2016	16.11	16.36	16.11	16.25
571	NASDAQ	ISTR	Mon, Oct 31, 2016	16.25	16.45	16.11	16.45
570	NASDAQ	ISTR	Fri, Oct 28, 2016	16.25	16.25	16.13	16.13
569	NASDAQ	ISTR	Thu, Oct 27, 2016	16.03	16.20	16.03	16.09
568	NASDAQ	ISTR	Wed, Oct 26, 2016	16.00	16.00	16.00	16.00
567	NASDAQ	ISTR	Tue, Oct 25, 2016	16.00	16.00	16.00	16.00
566	NASDAQ	ISTR	Mon, Oct 24, 2016	16.00	16.00	16.00	16.00
565	NASDAQ	ISTR	Fri, Oct 21, 2016	16.16	16.16	15.95	15.95
564	NASDAQ	ISTR	Thu, Oct 20, 2016	15.65	15.90	15.58	15.90
563	NASDAQ	ISTR	Wed, Oct 19, 2016	15.50	15.60	15.50	15.60
562	NASDAQ	ISTR	Tue, Oct 18, 2016	15.55	15.60	15.50	15.50
561	NASDAQ	ISTR	Mon, Oct 17, 2016	15.45	15.45	15.45	15.45
560	NASDAQ	ISTR	Fri, Oct 14, 2016	15.44	15.44	15.44	15.44
559	NASDAQ	ISTR	Thu, Oct 13, 2016	15.58	15.58	15.44	15.44
558	NASDAQ	ISTR	Wed, Oct 12, 2016	0.00	0.00	0.00	15.55
557	NASDAQ	ISTR	Tue, Oct 11, 2016	15.51	15.55	15.51	15.55
556	NASDAQ	ISTR	Mon, Oct 10, 2016	15.57	15.57	15.44	15.56
555	NASDAQ	ISTR	Fri, Oct 7, 2016	15.59	15.59	15.52	15.57
554	NASDAQ	ISTR	Thu, Oct 6, 2016	15.43	15.67	15.43	15.46
553	NASDAQ	ISTR	Wed, Oct 5, 2016	15.47	15.47	15.42	15.42
552	NASDAQ	ISTR	Tue, Oct 4, 2016	15.44	15.48	15.40	15.42
551	NASDAQ	ISTR	Mon, Oct 3, 2016	15.45	15.45	15.45	15.45
550	NASDAQ	ISTR	Fri, Sep 30, 2016	15.35	15.39	15.35	15.35
549	NASDAQ	ISTR	Thu, Sep 29, 2016	0.00	0.00	0.00	15.36
548	NASDAQ	ISTR	Wed, Sep 28, 2016	15.45	15.45	15.36	15.36
547	NASDAQ	ISTR	Tue, Sep 27, 2016	15.44	15.45	15.44	15.45
546	NASDAQ	ISTR	Mon, Sep 26, 2016	15.44	15.44	15.44	15.44
545	NASDAQ	ISTR	Fri, Sep 23, 2016	15.55	15.56	15.38	15.38
544	NASDAQ	ISTR	Thu, Sep 22, 2016	15.38	15.47	15.38	15.40
543	NASDAQ	ISTR	Wed, Sep 21, 2016	15.38	15.38	15.38	15.38
542	NASDAQ	ISTR	Tue, Sep 20, 2016	15.40	15.41	15.37	15.37
541	NASDAQ	ISTR	Mon, Sep 19, 2016	15.89	15.89	15.46	15.46
540	NASDAQ	ISTR	Fri, Sep 16, 2016	15.40	16.47	15.37	16.13
539	NASDAQ	ISTR	Thu, Sep 15, 2016	15.40	15.74	15.40	15.41
538	NASDAQ	ISTR	Wed, Sep 14, 2016	15.35	15.58	15.35	15.37
537	NASDAQ	ISTR	Tue, Sep 13, 2016	15.54	15.54	15.35	15.35
536	NASDAQ	ISTR	Mon, Sep 12, 2016	15.79	15.79	15.37	15.39
535	NASDAQ	ISTR	Fri, Sep 9, 2016	15.35	15.52	15.29	15.52
534	NASDAQ	ISTR	Thu, Sep 8, 2016	15.35	15.48	15.34	15.35
533	NASDAQ	ISTR	Wed, Sep 7, 2016	15.26	15.50	15.25	15.31
532	NASDAQ	ISTR	Tue, Sep 6, 2016	15.44	15.50	15.25	15.48
531	NASDAQ	ISTR	Fri, Sep 2, 2016	15.58	15.58	15.25	15.25
530	NASDAQ	ISTR	Thu, Sep 1, 2016	15.24	15.75	15.20	15.33
529	NASDAQ	ISTR	Wed, Aug 31, 2016	15.35	15.37	15.21	15.21
528	NASDAQ	ISTR	Tue, Aug 30, 2016	15.50	15.67	15.10	15.38
527	NASDAQ	ISTR	Mon, Aug 29, 2016	15.77	15.79	15.50	15.55
526	NASDAQ	ISTR	Fri, Aug 26, 2016	15.15	15.70	15.11	15.70
525	NASDAQ	ISTR	Thu, Aug 25, 2016	0.00	0.00	0.00	15.24
524	NASDAQ	ISTR	Wed, Aug 24, 2016	0.00	0.00	0.00	15.24
523	NASDAQ	ISTR	Tue, Aug 23, 2016	15.26	15.26	15.24	15.24
522	NASDAQ	ISTR	Mon, Aug 22, 2016	15.25	15.26	15.25	15.26
521	NASDAQ	ISTR	Fri, Aug 19, 2016	0.00	0.00	0.00	15.48
520	NASDAQ	ISTR	Thu, Aug 18, 2016	15.58	15.58	15.25	15.48
519	NASDAQ	ISTR	Wed, Aug 17, 2016	15.76	15.76	15.26	15.45
518	NASDAQ	ISTR	Tue, Aug 16, 2016	15.29	15.69	15.25	15.27
517	NASDAQ	ISTR	Mon, Aug 15, 2016	15.46	15.46	15.00	15.25
516	NASDAQ	ISTR	Fri, Aug 12, 2016	15.89	15.89	15.54	15.54
515	NASDAQ	ISTR	Thu, Aug 11, 2016	15.38	15.62	15.30	15.40
514	NASDAQ	ISTR	Wed, Aug 10, 2016	15.82	15.88	15.66	15.74
513	NASDAQ	ISTR	Tue, Aug 9, 2016	15.60	15.60	15.26	15.35
512	NASDAQ	ISTR	Mon, Aug 8, 2016	15.65	15.90	15.27	15.90
511	NASDAQ	ISTR	Fri, Aug 5, 2016	15.22	15.50	15.15	15.33
510	NASDAQ	ISTR	Thu, Aug 4, 2016	15.28	15.39	15.25	15.31
509	NASDAQ	ISTR	Wed, Aug 3, 2016	15.15	15.59	15.15	15.29
508	NASDAQ	ISTR	Tue, Aug 2, 2016	15.13	15.18	15.10	15.10
507	NASDAQ	ISTR	Mon, Aug 1, 2016	15.10	15.23	15.10	15.12
506	NASDAQ	ISTR	Fri, Jul 29, 2016	15.15	15.30	15.05	15.09
505	NASDAQ	ISTR	Thu, Jul 28, 2016	15.59	15.59	15.53	15.53
504	NASDAQ	ISTR	Wed, Jul 27, 2016	15.60	15.66	15.46	15.52
503	NASDAQ	ISTR	Tue, Jul 26, 2016	15.55	15.55	15.55	15.55
502	NASDAQ	ISTR	Mon, Jul 25, 2016	15.69	15.75	15.52	15.55
501	NASDAQ	ISTR	Fri, Jul 22, 2016	15.56	15.67	15.56	15.67
500	NASDAQ	ISTR	Thu, Jul 21, 2016	15.54	15.87	15.45	15.52
499	NASDAQ	ISTR	Wed, Jul 20, 2016	15.40	15.40	15.40	15.40
498	NASDAQ	ISTR	Tue, Jul 19, 2016	15.40	15.40	15.40	15.40
497	NASDAQ	ISTR	Mon, Jul 18, 2016	15.35	15.40	15.35	15.40
496	NASDAQ	ISTR	Fri, Jul 15, 2016	15.42	15.42	15.26	15.31
495	NASDAQ	ISTR	Thu, Jul 14, 2016	15.65	15.65	15.25	15.55
494	NASDAQ	ISTR	Wed, Jul 13, 2016	15.49	15.65	15.49	15.64
493	NASDAQ	ISTR	Tue, Jul 12, 2016	15.41	15.49	15.41	15.49
492	NASDAQ	ISTR	Mon, Jul 11, 2016	15.65	15.65	15.62	15.62
491	NASDAQ	ISTR	Fri, Jul 8, 2016	15.50	15.75	15.50	15.68
490	NASDAQ	ISTR	Thu, Jul 7, 2016	15.46	15.49	15.46	15.49
489	NASDAQ	ISTR	Wed, Jul 6, 2016	15.99	15.99	15.45	15.45
488	NASDAQ	ISTR	Tue, Jul 5, 2016	15.51	15.54	15.40	15.42
487	NASDAQ	ISTR	Fri, Jul 1, 2016	15.47	15.54	15.45	15.54
486	NASDAQ	ISTR	Thu, Jun 30, 2016	15.37	15.73	15.37	15.38
485	NASDAQ	ISTR	Wed, Jun 29, 2016	15.40	15.57	15.40	15.57
484	NASDAQ	ISTR	Tue, Jun 28, 2016	15.65	15.65	15.65	15.65
483	NASDAQ	ISTR	Mon, Jun 27, 2016	16.13	16.13	14.96	15.65
482	NASDAQ	ISTR	Fri, Jun 24, 2016	16.35	16.35	16.35	16.35
481	NASDAQ	ISTR	Thu, Jun 23, 2016	16.33	16.35	16.25	16.35
480	NASDAQ	ISTR	Wed, Jun 22, 2016	15.74	16.29	15.74	16.05
479	NASDAQ	ISTR	Tue, Jun 21, 2016	16.14	16.14	15.74	15.74
478	NASDAQ	ISTR	Mon, Jun 20, 2016	16.48	16.48	15.80	16.30
477	NASDAQ	ISTR	Fri, Jun 17, 2016	15.42	16.13	15.37	15.63
476	NASDAQ	ISTR	Thu, Jun 16, 2016	15.31	15.31	15.31	15.31
475	NASDAQ	ISTR	Wed, Jun 15, 2016	15.38	15.43	15.31	15.31
474	NASDAQ	ISTR	Tue, Jun 14, 2016	15.43	15.44	15.30	15.33
473	NASDAQ	ISTR	Mon, Jun 13, 2016	15.40	15.44	15.30	15.42
472	NASDAQ	ISTR	Fri, Jun 10, 2016	15.32	15.43	15.25	15.43
471	NASDAQ	ISTR	Thu, Jun 9, 2016	15.37	15.37	15.25	15.25
470	NASDAQ	ISTR	Wed, Jun 8, 2016	15.49	15.49	15.31	15.31
469	NASDAQ	ISTR	Tue, Jun 7, 2016	15.33	15.43	15.27	15.30
468	NASDAQ	ISTR	Mon, Jun 6, 2016	15.44	15.63	15.39	15.54
467	NASDAQ	ISTR	Fri, Jun 3, 2016	15.35	15.44	15.35	15.39
466	NASDAQ	ISTR	Thu, Jun 2, 2016	15.45	15.45	15.35	15.35
465	NASDAQ	ISTR	Wed, Jun 1, 2016	15.25	15.49	15.25	15.27
464	NASDAQ	ISTR	Tue, May 31, 2016	15.49	15.49	15.43	15.43
463	NASDAQ	ISTR	Fri, May 27, 2016	15.33	15.33	15.33	15.33
462	NASDAQ	ISTR	Thu, May 26, 2016	15.50	15.50	15.29	15.33
461	NASDAQ	ISTR	Wed, May 25, 2016	15.20	15.33	15.20	15.33
460	NASDAQ	ISTR	Tue, May 24, 2016	15.46	15.46	15.15	15.20
459	NASDAQ	ISTR	Mon, May 23, 2016	15.39	15.50	15.38	15.38
458	NASDAQ	ISTR	Fri, May 20, 2016	15.21	15.44	15.21	15.30
457	NASDAQ	ISTR	Thu, May 19, 2016	15.46	15.50	15.15	15.40
456	NASDAQ	ISTR	Wed, May 18, 2016	15.71	15.71	15.67	15.67
455	NASDAQ	ISTR	Tue, May 17, 2016	15.57	15.95	15.54	15.95
454	NASDAQ	ISTR	Mon, May 16, 2016	15.50	15.67	15.40	15.41
453	NASDAQ	ISTR	Fri, May 13, 2016	15.19	15.45	15.05	15.45
452	NASDAQ	ISTR	Thu, May 12, 2016	15.39	15.40	15.15	15.18
451	NASDAQ	ISTR	Wed, May 11, 2016	15.04	15.35	15.04	15.30
450	NASDAQ	ISTR	Tue, May 10, 2016	15.50	15.51	15.35	15.50
449	NASDAQ	ISTR	Mon, May 9, 2016	15.39	15.96	15.25	15.50
448	NASDAQ	ISTR	Fri, May 6, 2016	15.50	15.50	15.45	15.50
447	NASDAQ	ISTR	Thu, May 5, 2016	15.10	15.24	15.10	15.24
446	NASDAQ	ISTR	Wed, May 4, 2016	15.17	15.26	15.17	15.26
445	NASDAQ	ISTR	Tue, May 3, 2016	15.00	15.00	15.00	15.00
444	NASDAQ	ISTR	Mon, May 2, 2016	15.08	15.20	15.02	15.10
443	NASDAQ	ISTR	Fri, Apr 29, 2016	15.16	15.30	15.10	15.20
442	NASDAQ	ISTR	Thu, Apr 28, 2016	15.14	15.34	15.14	15.27
441	NASDAQ	ISTR	Wed, Apr 27, 2016	15.00	15.27	15.00	15.27
440	NASDAQ	ISTR	Tue, Apr 26, 2016	15.08	15.20	15.00	15.00
439	NASDAQ	ISTR	Mon, Apr 25, 2016	15.07	15.19	15.07	15.19
438	NASDAQ	ISTR	Fri, Apr 22, 2016	15.05	15.05	15.05	15.05
437	NASDAQ	ISTR	Thu, Apr 21, 2016	15.50	15.50	15.03	15.13
436	NASDAQ	ISTR	Wed, Apr 20, 2016	15.35	15.45	15.17	15.18
435	NASDAQ	ISTR	Tue, Apr 19, 2016	15.07	15.21	15.07	15.10
434	NASDAQ	ISTR	Mon, Apr 18, 2016	15.60	15.75	15.27	15.27
433	NASDAQ	ISTR	Fri, Apr 15, 2016	15.00	15.74	15.00	15.13
432	NASDAQ	ISTR	Thu, Apr 14, 2016	14.95	15.20	14.95	15.00
431	NASDAQ	ISTR	Wed, Apr 13, 2016	15.00	15.10	14.81	14.90
430	NASDAQ	ISTR	Tue, Apr 12, 2016	15.10	15.54	15.10	15.37
429	NASDAQ	ISTR	Mon, Apr 11, 2016	15.03	15.03	14.81	14.81
428	NASDAQ	ISTR	Fri, Apr 8, 2016	15.24	15.24	15.24	15.24
427	NASDAQ	ISTR	Thu, Apr 7, 2016	15.24	15.24	15.24	15.24
426	NASDAQ	ISTR	Wed, Apr 6, 2016	14.71	14.99	14.71	14.99
425	NASDAQ	ISTR	Tue, Apr 5, 2016	14.92	14.92	14.92	15.10
424	NASDAQ	ISTR	Mon, Apr 4, 2016	15.21	15.21	14.61	14.92
423	NASDAQ	ISTR	Fri, Apr 1, 2016	15.35	15.70	15.09	15.09
422	NASDAQ	ISTR	Thu, Mar 31, 2016	15.33	15.71	15.33	15.71
421	NASDAQ	ISTR	Wed, Mar 30, 2016	15.10	15.36	15.10	15.36
420	NASDAQ	ISTR	Tue, Mar 29, 2016	15.40	15.99	15.04	15.99
419	NASDAQ	ISTR	Mon, Mar 28, 2016	15.44	15.44	15.44	15.44
418	NASDAQ	ISTR	Thu, Mar 24, 2016	15.30	15.30	15.30	15.44
417	NASDAQ	ISTR	Wed, Mar 23, 2016	15.06	15.30	15.06	15.30
416	NASDAQ	ISTR	Tue, Mar 22, 2016	15.31	15.59	14.91	15.28
415	NASDAQ	ISTR	Mon, Mar 21, 2016	15.43	15.43	15.43	15.43
414	NASDAQ	ISTR	Fri, Mar 18, 2016	14.94	15.48	14.91	15.43
413	NASDAQ	ISTR	Thu, Mar 17, 2016	15.00	15.75	15.00	15.23
412	NASDAQ	ISTR	Wed, Mar 16, 2016	14.56	14.99	14.56	14.90
411	NASDAQ	ISTR	Tue, Mar 15, 2016	14.67	14.67	14.67	15.10
410	NASDAQ	ISTR	Mon, Mar 14, 2016	14.40	14.76	14.40	14.67
409	NASDAQ	ISTR	Fri, Mar 11, 2016	14.60	14.60	14.60	14.80
408	NASDAQ	ISTR	Thu, Mar 10, 2016	14.42	14.42	14.42	14.60
407	NASDAQ	ISTR	Wed, Mar 9, 2016	14.61	14.61	14.42	14.61
406	NASDAQ	ISTR	Tue, Mar 8, 2016	14.50	14.91	14.50	14.50
405	NASDAQ	ISTR	Mon, Mar 7, 2016	14.36	14.62	14.30	14.51
404	NASDAQ	ISTR	Fri, Mar 4, 2016	14.18	14.64	14.15	14.35
403	NASDAQ	ISTR	Thu, Mar 3, 2016	14.99	14.99	14.58	14.31
402	NASDAQ	ISTR	Wed, Mar 2, 2016	14.28	14.59	14.25	14.28
401	NASDAQ	ISTR	Tue, Mar 1, 2016	14.50	14.50	14.26	14.37
400	NASDAQ	ISTR	Mon, Feb 29, 2016	14.24	14.25	14.24	14.19
399	NASDAQ	ISTR	Fri, Feb 26, 2016	14.03	14.25	14.01	14.19
398	NASDAQ	ISTR	Thu, Feb 25, 2016	14.55	14.75	14.45	14.51
397	NASDAQ	ISTR	Wed, Feb 24, 2016	14.72	14.72	14.51	14.51
396	NASDAQ	ISTR	Tue, Feb 23, 2016	14.75	14.75	14.51	14.52
395	NASDAQ	ISTR	Mon, Feb 22, 2016	14.51	14.65	14.51	14.52
394	NASDAQ	ISTR	Fri, Feb 19, 2016	14.53	14.75	14.52	14.52
393	NASDAQ	ISTR	Thu, Feb 18, 2016	14.74	14.75	14.51	14.63
392	NASDAQ	ISTR	Wed, Feb 17, 2016	14.55	14.59	14.54	14.54
391	NASDAQ	ISTR	Tue, Feb 16, 2016	14.98	15.00	14.51	14.55
390	NASDAQ	ISTR	Fri, Feb 12, 2016	14.75	14.75	13.96	14.05
389	NASDAQ	ISTR	Thu, Feb 11, 2016	13.63	14.49	13.63	14.25
388	NASDAQ	ISTR	Wed, Feb 10, 2016	14.50	14.50	13.85	13.85
387	NASDAQ	ISTR	Tue, Feb 9, 2016	15.02	15.09	14.50	14.50
386	NASDAQ	ISTR	Mon, Feb 8, 2016	15.10	15.37	14.20	15.37
385	NASDAQ	ISTR	Fri, Feb 5, 2016	15.76	15.76	15.73	15.73
384	NASDAQ	ISTR	Thu, Feb 4, 2016	15.54	15.74	15.54	15.74
383	NASDAQ	ISTR	Wed, Feb 3, 2016	15.50	15.85	15.50	15.84
382	NASDAQ	ISTR	Tue, Feb 2, 2016	16.00	16.00	15.92	15.92
381	NASDAQ	ISTR	Mon, Feb 1, 2016	15.99	15.99	15.50	15.83
380	NASDAQ	ISTR	Fri, Jan 29, 2016	15.99	16.00	15.52	15.58
379	NASDAQ	ISTR	Thu, Jan 28, 2016	15.76	15.79	15.76	15.79
378	NASDAQ	ISTR	Wed, Jan 27, 2016	15.99	15.99	15.92	15.92
377	NASDAQ	ISTR	Tue, Jan 26, 2016	15.92	16.09	15.89	16.00
376	NASDAQ	ISTR	Mon, Jan 25, 2016	15.51	15.60	15.51	15.60
375	NASDAQ	ISTR	Fri, Jan 22, 2016	15.57	16.00	15.57	15.96
374	NASDAQ	ISTR	Thu, Jan 21, 2016	15.85	15.85	15.50	15.81
373	NASDAQ	ISTR	Wed, Jan 20, 2016	16.53	16.53	15.25	15.65
372	NASDAQ	ISTR	Tue, Jan 19, 2016	16.95	17.10	16.50	16.91
371	NASDAQ	ISTR	Fri, Jan 15, 2016	16.94	17.00	16.59	16.59
370	NASDAQ	ISTR	Thu, Jan 14, 2016	17.51	17.57	16.51	17.30
369	NASDAQ	ISTR	Wed, Jan 13, 2016	16.35	16.46	16.29	16.29
368	NASDAQ	ISTR	Tue, Jan 12, 2016	16.21	16.97	16.21	16.77
367	NASDAQ	ISTR	Mon, Jan 11, 2016	17.01	17.23	16.95	16.98
366	NASDAQ	ISTR	Fri, Jan 8, 2016	17.01	17.23	17.01	17.20
365	NASDAQ	ISTR	Thu, Jan 7, 2016	17.25	17.25	17.25	17.25
364	NASDAQ	ISTR	Wed, Jan 6, 2016	17.25	17.25	17.25	17.25
363	NASDAQ	ISTR	Tue, Jan 5, 2016	17.44	17.63	17.44	17.44
362	NASDAQ	ISTR	Mon, Jan 4, 2016	17.35	17.44	17.35	17.44
361	NASDAQ	ISTR	Thu, Dec 31, 2015	17.42	17.63	17.40	17.60
360	NASDAQ	ISTR	Wed, Dec 30, 2015	17.40	17.40	17.40	17.40
359	NASDAQ	ISTR	Tue, Dec 29, 2015	17.64	17.64	17.41	17.60
358	NASDAQ	ISTR	Mon, Dec 28, 2015	17.51	17.52	17.41	17.41
357	NASDAQ	ISTR	Thu, Dec 24, 2015	17.70	17.70	17.70	17.70
356	NASDAQ	ISTR	Wed, Dec 23, 2015	17.65	17.70	17.65	17.70
355	NASDAQ	ISTR	Tue, Dec 22, 2015	17.57	17.57	17.45	17.50
354	NASDAQ	ISTR	Mon, Dec 21, 2015	17.75	17.75	17.55	17.58
353	NASDAQ	ISTR	Fri, Dec 18, 2015	17.26	17.75	17.26	17.75
352	NASDAQ	ISTR	Thu, Dec 17, 2015	17.26	17.26	17.26	17.26
351	NASDAQ	ISTR	Wed, Dec 16, 2015	17.64	17.64	17.64	17.64
350	NASDAQ	ISTR	Tue, Dec 15, 2015	17.64	17.64	17.64	17.64
349	NASDAQ	ISTR	Mon, Dec 14, 2015	17.13	17.79	17.13	17.79
348	NASDAQ	ISTR	Fri, Dec 11, 2015	17.01	17.10	17.01	17.01
347	NASDAQ	ISTR	Thu, Dec 10, 2015	17.02	17.19	17.01	17.17
346	NASDAQ	ISTR	Wed, Dec 9, 2015	17.02	17.10	17.01	17.10
345	NASDAQ	ISTR	Tue, Dec 8, 2015	17.26	17.39	17.05	17.05
344	NASDAQ	ISTR	Mon, Dec 7, 2015	17.35	17.40	17.05	17.05
343	NASDAQ	ISTR	Fri, Dec 4, 2015	17.06	17.54	17.06	17.53
342	NASDAQ	ISTR	Thu, Dec 3, 2015	17.56	17.66	17.10	17.10
341	NASDAQ	ISTR	Tue, Dec 1, 2015	17.57	17.74	17.00	17.44
340	NASDAQ	ISTR	Mon, Nov 30, 2015	17.50	17.83	17.00	17.70
339	NASDAQ	ISTR	Fri, Nov 27, 2015	17.10	17.67	17.07	17.50
338	NASDAQ	ISTR	Wed, Nov 25, 2015	17.25	17.70	17.15	17.70
337	NASDAQ	ISTR	Mon, Nov 23, 2015	17.00	17.50	16.96	17.00
336	NASDAQ	ISTR	Fri, Nov 20, 2015	16.69	16.69	16.69	16.69
335	NASDAQ	ISTR	Thu, Nov 19, 2015	17.17	17.17	16.70	16.70
334	NASDAQ	ISTR	Wed, Nov 18, 2015	16.60	17.24	16.60	17.00
333	NASDAQ	ISTR	Tue, Nov 17, 2015	17.63	17.63	17.06	17.15
332	NASDAQ	ISTR	Mon, Nov 16, 2015	16.45	18.00	16.45	16.65
331	NASDAQ	ISTR	Fri, Nov 13, 2015	16.45	16.45	16.43	16.45
330	NASDAQ	ISTR	Thu, Nov 12, 2015	16.44	16.44	16.02	16.24
329	NASDAQ	ISTR	Mon, Nov 9, 2015	16.42	16.45	16.26	16.32
328	NASDAQ	ISTR	Fri, Nov 6, 2015	16.19	16.19	16.19	16.19
327	NASDAQ	ISTR	Thu, Nov 5, 2015	15.95	16.29	15.95	16.04
326	NASDAQ	ISTR	Wed, Nov 4, 2015	16.02	16.24	15.85	15.99
325	NASDAQ	ISTR	Tue, Nov 3, 2015	16.25	16.45	16.25	16.45
324	NASDAQ	ISTR	Mon, Nov 2, 2015	15.92	16.35	15.85	16.32
323	NASDAQ	ISTR	Thu, Oct 29, 2015	15.77	15.91	15.77	15.91
322	NASDAQ	ISTR	Wed, Oct 28, 2015	15.90	15.90	15.90	15.90
321	NASDAQ	ISTR	Tue, Oct 27, 2015	15.77	15.79	15.77	15.79
320	NASDAQ	ISTR	Mon, Oct 26, 2015	15.78	15.92	15.78	15.92
319	NASDAQ	ISTR	Fri, Oct 23, 2015	15.90	15.90	15.87	15.87
318	NASDAQ	ISTR	Thu, Oct 22, 2015	15.77	15.92	15.77	15.91
317	NASDAQ	ISTR	Wed, Oct 21, 2015	15.77	15.77	15.77	15.77
316	NASDAQ	ISTR	Fri, Oct 16, 2015	15.77	15.78	15.77	15.77
315	NASDAQ	ISTR	Thu, Oct 15, 2015	15.79	15.92	15.77	15.91
314	NASDAQ	ISTR	Tue, Oct 13, 2015	15.90	15.90	15.85	15.86
313	NASDAQ	ISTR	Mon, Oct 12, 2015	15.77	15.92	15.77	15.92
312	NASDAQ	ISTR	Fri, Oct 9, 2015	15.90	15.90	15.77	15.89
311	NASDAQ	ISTR	Thu, Oct 8, 2015	15.90	15.90	15.79	15.90
310	NASDAQ	ISTR	Wed, Oct 7, 2015	15.75	15.89	15.75	15.78
309	NASDAQ	ISTR	Tue, Oct 6, 2015	15.82	15.83	15.82	15.83
308	NASDAQ	ISTR	Mon, Oct 5, 2015	15.63	15.73	15.63	15.69
307	NASDAQ	ISTR	Fri, Oct 2, 2015	15.70	15.92	15.69	15.69
306	NASDAQ	ISTR	Thu, Oct 1, 2015	15.61	15.82	15.39	15.81
305	NASDAQ	ISTR	Wed, Sep 30, 2015	15.54	15.76	15.38	15.49
304	NASDAQ	ISTR	Tue, Sep 29, 2015	15.37	15.67	15.36	15.67
303	NASDAQ	ISTR	Mon, Sep 28, 2015	15.36	15.43	15.36	15.43
302	NASDAQ	ISTR	Fri, Sep 25, 2015	15.56	15.56	15.31	15.49
301	NASDAQ	ISTR	Thu, Sep 24, 2015	15.26	15.47	15.26	15.28
300	NASDAQ	ISTR	Wed, Sep 23, 2015	15.25	15.49	15.25	15.44
299	NASDAQ	ISTR	Tue, Sep 22, 2015	15.20	15.30	15.20	15.24
298	NASDAQ	ISTR	Mon, Sep 21, 2015	15.20	15.28	15.16	15.21
297	NASDAQ	ISTR	Fri, Sep 18, 2015	15.90	15.93	14.95	14.95
296	NASDAQ	ISTR	Thu, Sep 17, 2015	15.90	15.92	15.88	15.92
295	NASDAQ	ISTR	Wed, Sep 16, 2015	16.00	16.00	15.73	15.92
294	NASDAQ	ISTR	Tue, Sep 15, 2015	15.91	15.91	15.50	15.91
293	NASDAQ	ISTR	Mon, Sep 14, 2015	15.90	16.00	15.55	16.00
292	NASDAQ	ISTR	Fri, Sep 11, 2015	15.92	16.52	15.75	16.00
291	NASDAQ	ISTR	Thu, Sep 10, 2015	15.88	15.94	15.70	15.92
290	NASDAQ	ISTR	Wed, Sep 9, 2015	15.72	15.93	15.72	15.88
289	NASDAQ	ISTR	Tue, Sep 8, 2015	15.70	15.94	15.70	15.93
288	NASDAQ	ISTR	Fri, Sep 4, 2015	15.73	15.75	15.73	15.75
287	NASDAQ	ISTR	Thu, Sep 3, 2015	15.52	15.80	15.52	15.59
286	NASDAQ	ISTR	Wed, Sep 2, 2015	15.61	15.80	15.52	15.53
285	NASDAQ	ISTR	Tue, Sep 1, 2015	15.60	15.78	15.60	15.77
284	NASDAQ	ISTR	Mon, Aug 31, 2015	15.78	15.78	15.61	15.74
283	NASDAQ	ISTR	Fri, Aug 28, 2015	15.57	15.80	15.57	15.60
282	NASDAQ	ISTR	Thu, Aug 27, 2015	15.61	15.80	15.60	15.74
281	NASDAQ	ISTR	Wed, Aug 26, 2015	15.68	15.79	15.52	15.52
280	NASDAQ	ISTR	Tue, Aug 25, 2015	15.91	15.91	15.75	15.79
279	NASDAQ	ISTR	Mon, Aug 24, 2015	15.75	15.75	15.67	15.68
278	NASDAQ	ISTR	Fri, Aug 21, 2015	15.53	15.92	15.51	15.92
277	NASDAQ	ISTR	Thu, Aug 20, 2015	15.49	15.60	15.49	15.60
276	NASDAQ	ISTR	Wed, Aug 19, 2015	15.49	15.88	15.49	15.75
275	NASDAQ	ISTR	Tue, Aug 18, 2015	15.85	15.85	15.80	15.80
274	NASDAQ	ISTR	Mon, Aug 17, 2015	15.90	15.90	15.80	15.80
273	NASDAQ	ISTR	Fri, Aug 14, 2015	15.90	15.90	15.75	15.75
272	NASDAQ	ISTR	Thu, Aug 13, 2015	15.90	15.90	15.77	15.77
271	NASDAQ	ISTR	Wed, Aug 12, 2015	15.70	15.90	15.70	15.90
270	NASDAQ	ISTR	Tue, Aug 11, 2015	15.52	15.90	15.52	15.90
269	NASDAQ	ISTR	Mon, Aug 10, 2015	15.63	15.98	15.63	15.94
268	NASDAQ	ISTR	Fri, Aug 7, 2015	15.67	15.84	15.65	15.75
267	NASDAQ	ISTR	Thu, Aug 6, 2015	15.68	15.94	15.65	15.85
266	NASDAQ	ISTR	Wed, Aug 5, 2015	15.91	15.91	15.59	15.70
265	NASDAQ	ISTR	Tue, Aug 4, 2015	15.42	15.59	15.40	15.59
264	NASDAQ	ISTR	Mon, Aug 3, 2015	15.47	15.49	15.42	15.42
263	NASDAQ	ISTR	Fri, Jul 31, 2015	15.41	15.50	15.38	15.49
262	NASDAQ	ISTR	Thu, Jul 30, 2015	15.38	15.45	15.35	15.41
261	NASDAQ	ISTR	Wed, Jul 29, 2015	15.13	15.38	15.13	15.32
260	NASDAQ	ISTR	Tue, Jul 28, 2015	15.07	15.30	15.07	15.19
259	NASDAQ	ISTR	Mon, Jul 27, 2015	15.22	15.29	15.22	15.29
258	NASDAQ	ISTR	Fri, Jul 24, 2015	15.16	15.16	15.16	15.16
257	NASDAQ	ISTR	Thu, Jul 23, 2015	15.37	15.37	15.35	15.35
256	NASDAQ	ISTR	Wed, Jul 22, 2015	15.40	15.40	15.40	15.40
255	NASDAQ	ISTR	Tue, Jul 21, 2015	15.30	15.40	15.30	15.39
254	NASDAQ	ISTR	Mon, Jul 20, 2015	15.25	15.40	15.25	15.26
253	NASDAQ	ISTR	Fri, Jul 17, 2015	15.35	15.45	15.15	15.29
252	NASDAQ	ISTR	Thu, Jul 16, 2015	15.60	15.60	15.18	15.39
251	NASDAQ	ISTR	Wed, Jul 15, 2015	15.52	15.52	15.28	15.29
250	NASDAQ	ISTR	Tue, Jul 14, 2015	15.59	15.59	15.21	15.42
249	NASDAQ	ISTR	Mon, Jul 13, 2015	15.11	15.26	15.11	15.26
248	NASDAQ	ISTR	Fri, Jul 10, 2015	15.19	15.40	15.00	15.20
247	NASDAQ	ISTR	Thu, Jul 9, 2015	15.37	15.59	15.11	15.25
246	NASDAQ	ISTR	Wed, Jul 8, 2015	15.74	15.86	15.18	15.37
245	NASDAQ	ISTR	Tue, Jul 7, 2015	15.56	15.94	15.53	15.53
244	NASDAQ	ISTR	Mon, Jul 6, 2015	15.49	15.94	15.18	15.53
243	NASDAQ	ISTR	Thu, Jul 2, 2015	15.55	15.94	15.10	15.61
242	NASDAQ	ISTR	Wed, Jul 1, 2015	15.48	15.87	15.87	15.87
241	NASDAQ	ISTR	Tue, Jun 30, 2015	15.38	15.60	15.20	15.20
240	NASDAQ	ISTR	Mon, Jun 29, 2015	15.18	15.60	15.05	15.38
239	NASDAQ	ISTR	Fri, Jun 26, 2015	15.13	15.39	15.02	15.38
238	NASDAQ	ISTR	Thu, Jun 25, 2015	15.18	15.35	15.35	15.35
237	NASDAQ	ISTR	Wed, Jun 24, 2015	15.08	15.48	15.08	15.48
236	NASDAQ	ISTR	Tue, Jun 23, 2015	15.46	15.46	15.05	15.26
235	NASDAQ	ISTR	Mon, Jun 22, 2015	15.50	15.51	15.45	15.45
234	NASDAQ	ISTR	Fri, Jun 19, 2015	15.48	15.45	14.96	14.96
233	NASDAQ	ISTR	Thu, Jun 18, 2015	15.50	15.50	15.25	15.35
232	NASDAQ	ISTR	Wed, Jun 17, 2015	15.34	15.50	15.50	15.50
231	NASDAQ	ISTR	Tue, Jun 16, 2015	15.50	15.50	15.47	15.50
230	NASDAQ	ISTR	Fri, Jun 12, 2015	15.18	15.60	15.40	15.60
229	NASDAQ	ISTR	Thu, Jun 11, 2015	15.08	15.45	15.14	15.14
228	NASDAQ	ISTR	Wed, Jun 10, 2015	15.40	15.40	14.65	15.40
227	NASDAQ	ISTR	Tue, Jun 9, 2015	15.43	15.40	15.40	15.40
226	NASDAQ	ISTR	Mon, Jun 8, 2015	15.37	15.60	15.25	15.26
225	NASDAQ	ISTR	Fri, Jun 5, 2015	15.33	15.65	15.65	15.65
224	NASDAQ	ISTR	Thu, Jun 4, 2015	15.45	15.30	15.25	15.25
223	NASDAQ	ISTR	Wed, Jun 3, 2015	15.30	15.62	15.35	15.35
222	NASDAQ	ISTR	Tue, Jun 2, 2015	15.45	15.40	15.40	15.40
221	NASDAQ	ISTR	Mon, Jun 1, 2015	15.33	15.49	15.25	15.47
220	NASDAQ	ISTR	Fri, May 29, 2015	15.50	15.50	15.35	15.35
219	NASDAQ	ISTR	Thu, May 28, 2015	15.59	15.54	15.50	15.50
218	NASDAQ	ISTR	Wed, May 27, 2015	15.46	15.73	15.55	15.55
217	NASDAQ	ISTR	Tue, May 26, 2015	15.65	15.69	15.36	15.69
216	NASDAQ	ISTR	Fri, May 22, 2015	15.25	15.73	15.24	15.43
215	NASDAQ	ISTR	Thu, May 21, 2015	15.05	15.20	14.85	14.96
214	NASDAQ	ISTR	Wed, May 20, 2015	15.23	15.63	14.81	14.95
213	NASDAQ	ISTR	Tue, May 19, 2015	15.69	15.69	15.21	15.50
212	NASDAQ	ISTR	Mon, May 18, 2015	15.20	15.20	15.20	15.20
211	NASDAQ	ISTR	Thu, May 14, 2015	15.32	15.84	15.39	15.39
210	NASDAQ	ISTR	Wed, May 13, 2015	15.31	15.31	15.31	15.31
209	NASDAQ	ISTR	Tue, May 12, 2015	15.60	15.50	15.25	15.49
208	NASDAQ	ISTR	Mon, May 11, 2015	15.68	15.72	15.50	15.51
207	NASDAQ	ISTR	Fri, May 8, 2015	15.61	15.75	15.70	15.70
206	NASDAQ	ISTR	Thu, May 7, 2015	15.80	15.88	15.88	15.88
205	NASDAQ	ISTR	Tue, May 5, 2015	15.61	15.89	15.88	15.89
204	NASDAQ	ISTR	Mon, May 4, 2015	15.90	15.89	15.54	15.58
203	NASDAQ	ISTR	Fri, May 1, 2015	15.45	15.81	15.81	15.81
202	NASDAQ	ISTR	Thu, Apr 30, 2015	16.00	15.74	15.39	15.74
201	NASDAQ	ISTR	Tue, Apr 28, 2015	15.58	15.99	15.31	15.34
200	NASDAQ	ISTR	Mon, Apr 27, 2015	15.60	15.75	15.64	15.75
199	NASDAQ	ISTR	Fri, Apr 24, 2015	15.23	15.66	15.58	15.64
198	NASDAQ	ISTR	Thu, Apr 23, 2015	15.63	15.63	14.83	15.43
197	NASDAQ	ISTR	Wed, Apr 22, 2015	15.81	16.00	15.10	15.96
196	NASDAQ	ISTR	Tue, Apr 21, 2015	15.99	16.00	15.82	16.00
195	NASDAQ	ISTR	Mon, Apr 20, 2015	15.94	16.00	15.95	16.00
194	NASDAQ	ISTR	Fri, Apr 17, 2015	15.75	15.95	15.95	15.95
193	NASDAQ	ISTR	Thu, Apr 16, 2015	15.77	15.99	15.36	15.95
192	NASDAQ	ISTR	Wed, Apr 15, 2015	15.78	15.95	15.93	15.93
191	NASDAQ	ISTR	Tue, Apr 14, 2015	15.87	15.99	15.58	15.99
190	NASDAQ	ISTR	Mon, Apr 13, 2015	16.00	16.00	15.99	15.99
189	NASDAQ	ISTR	Fri, Apr 10, 2015	15.88	15.98	15.83	15.98
188	NASDAQ	ISTR	Thu, Apr 9, 2015	15.72	16.00	15.75	15.99
187	NASDAQ	ISTR	Wed, Apr 8, 2015	15.99	15.94	15.94	15.94
186	NASDAQ	ISTR	Tue, Apr 7, 2015	16.67	16.67	15.49	16.23
185	NASDAQ	ISTR	Mon, Apr 6, 2015	16.83	16.91	15.15	16.57
184	NASDAQ	ISTR	Thu, Apr 2, 2015	16.82	16.97	16.72	16.97
183	NASDAQ	ISTR	Wed, Apr 1, 2015	17.01	17.20	16.57	17.20
182	NASDAQ	ISTR	Tue, Mar 31, 2015	17.30	17.30	16.62	17.10
181	NASDAQ	ISTR	Mon, Mar 30, 2015	16.94	17.42	16.96	17.25
180	NASDAQ	ISTR	Fri, Mar 27, 2015	16.95	16.95	16.94	16.94
179	NASDAQ	ISTR	Thu, Mar 26, 2015	16.93	17.08	16.91	16.96
178	NASDAQ	ISTR	Wed, Mar 25, 2015	16.61	16.96	16.36	16.94
177	NASDAQ	ISTR	Tue, Mar 24, 2015	16.63	16.99	16.65	16.95
176	NASDAQ	ISTR	Mon, Mar 23, 2015	16.72	16.64	16.19	16.60
175	NASDAQ	ISTR	Fri, Mar 20, 2015	15.75	16.74	15.75	16.74
174	NASDAQ	ISTR	Thu, Mar 19, 2015	15.81	16.09	15.35	16.05
173	NASDAQ	ISTR	Wed, Mar 18, 2015	15.83	16.09	15.79	16.09
172	NASDAQ	ISTR	Tue, Mar 17, 2015	15.89	16.05	15.85	15.85
171	NASDAQ	ISTR	Mon, Mar 16, 2015	16.05	16.09	16.00	16.08
170	NASDAQ	ISTR	Fri, Mar 13, 2015	15.87	16.05	16.00	16.05
169	NASDAQ	ISTR	Thu, Mar 12, 2015	15.95	16.09	15.58	16.09
168	NASDAQ	ISTR	Wed, Mar 11, 2015	15.54	16.99	15.50	15.95
167	NASDAQ	ISTR	Tue, Mar 10, 2015	15.70	15.90	15.65	15.90
166	NASDAQ	ISTR	Mon, Mar 9, 2015	15.18	16.00	15.10	16.00
165	NASDAQ	ISTR	Fri, Mar 6, 2015	14.94	15.03	15.00	15.03
164	NASDAQ	ISTR	Thu, Mar 5, 2015	14.97	15.14	15.00	15.00
163	NASDAQ	ISTR	Wed, Mar 4, 2015	14.94	15.20	14.99	15.15
162	NASDAQ	ISTR	Tue, Mar 3, 2015	14.51	15.14	14.74	15.00
161	NASDAQ	ISTR	Mon, Mar 2, 2015	14.38	14.75	14.26	14.74
160	NASDAQ	ISTR	Fri, Feb 27, 2015	14.41	14.49	14.26	14.48
159	NASDAQ	ISTR	Thu, Feb 26, 2015	14.41	14.48	14.28	14.46
158	NASDAQ	ISTR	Wed, Feb 25, 2015	14.29	14.64	14.45	14.45
157	NASDAQ	ISTR	Tue, Feb 24, 2015	14.31	14.48	14.26	14.26
156	NASDAQ	ISTR	Fri, Feb 20, 2015	14.34	14.60	14.60	14.60
155	NASDAQ	ISTR	Thu, Feb 19, 2015	14.62	14.74	14.27	14.70
154	NASDAQ	ISTR	Wed, Feb 18, 2015	14.25	14.33	14.25	14.33
153	NASDAQ	ISTR	Tue, Feb 17, 2015	14.69	15.90	14.26	15.90
152	NASDAQ	ISTR	Fri, Feb 13, 2015	14.33	14.50	14.33	14.50
151	NASDAQ	ISTR	Thu, Feb 12, 2015	14.49	14.50	14.44	14.45
150	NASDAQ	ISTR	Wed, Feb 11, 2015	14.50	14.52	14.50	14.51
149	NASDAQ	ISTR	Tue, Feb 10, 2015	14.22	14.50	14.23	14.50
148	NASDAQ	ISTR	Mon, Feb 9, 2015	14.10	14.40	14.07	14.07
147	NASDAQ	ISTR	Fri, Feb 6, 2015	14.26	14.26	14.26	14.26
146	NASDAQ	ISTR	Thu, Feb 5, 2015	14.01	14.04	14.00	14.01
145	NASDAQ	ISTR	Wed, Feb 4, 2015	14.10	14.20	14.00	14.20
144	NASDAQ	ISTR	Tue, Feb 3, 2015	14.00	14.00	14.00	14.00
143	NASDAQ	ISTR	Mon, Feb 2, 2015	14.00	14.00	14.00	14.00
142	NASDAQ	ISTR	Fri, Jan 30, 2015	13.70	14.10	13.70	14.00
141	NASDAQ	ISTR	Wed, Jan 28, 2015	13.87	14.00	13.76	13.76
140	NASDAQ	ISTR	Tue, Jan 27, 2015	13.74	14.02	13.57	14.00
139	NASDAQ	ISTR	Mon, Jan 26, 2015	13.96	13.99	13.51	13.87
138	NASDAQ	ISTR	Fri, Jan 23, 2015	13.83	13.99	13.35	13.89
137	NASDAQ	ISTR	Thu, Jan 22, 2015	13.61	13.61	13.60	13.61
136	NASDAQ	ISTR	Wed, Jan 21, 2015	13.94	14.00	13.90	14.00
135	NASDAQ	ISTR	Tue, Jan 20, 2015	14.01	14.01	13.88	13.90
134	NASDAQ	ISTR	Fri, Jan 16, 2015	14.10	14.05	13.81	13.98
133	NASDAQ	ISTR	Thu, Jan 15, 2015	13.95	14.30	13.90	13.97
132	NASDAQ	ISTR	Mon, Jan 12, 2015	14.17	14.28	14.00	14.13
131	NASDAQ	ISTR	Fri, Jan 9, 2015	14.06	14.00	13.95	13.95
130	NASDAQ	ISTR	Thu, Jan 8, 2015	14.05	14.00	13.93	14.00
129	NASDAQ	ISTR	Wed, Jan 7, 2015	14.40	14.07	13.90	13.95
128	NASDAQ	ISTR	Tue, Jan 6, 2015	14.18	14.50	13.95	14.50
127	NASDAQ	ISTR	Mon, Jan 5, 2015	14.25	14.49	13.93	14.32
126	NASDAQ	ISTR	Fri, Jan 2, 2015	13.82	14.01	14.00	14.00
125	NASDAQ	ISTR	Wed, Dec 31, 2014	14.00	14.10	13.85	13.85
124	NASDAQ	ISTR	Tue, Dec 30, 2014	13.81	14.29	13.80	13.81
123	NASDAQ	ISTR	Mon, Dec 29, 2014	14.25	14.50	13.95	14.01
122	NASDAQ	ISTR	Fri, Dec 26, 2014	13.80	14.29	14.12	14.14
121	NASDAQ	ISTR	Wed, Dec 24, 2014	13.78	14.20	13.75	14.20
120	NASDAQ	ISTR	Tue, Dec 23, 2014	14.13	14.26	13.80	14.00
119	NASDAQ	ISTR	Mon, Dec 22, 2014	14.04	14.96	13.75	14.15
118	NASDAQ	ISTR	Fri, Dec 19, 2014	14.60	15.00	14.00	14.00
117	NASDAQ	ISTR	Thu, Dec 18, 2014	14.10	15.00	14.20	15.00
116	NASDAQ	ISTR	Wed, Dec 17, 2014	14.30	14.50	13.78	14.50
115	NASDAQ	ISTR	Tue, Dec 16, 2014	13.77	14.50	13.77	14.50
114	NASDAQ	ISTR	Mon, Dec 15, 2014	13.81	14.25	13.78	14.25
113	NASDAQ	ISTR	Fri, Dec 12, 2014	14.00	14.05	14.00	14.05
112	NASDAQ	ISTR	Thu, Dec 11, 2014	14.00	14.14	13.96	14.06
111	NASDAQ	ISTR	Wed, Dec 10, 2014	14.00	14.10	13.95	13.99
110	NASDAQ	ISTR	Tue, Dec 9, 2014	14.07	14.08	14.00	14.00
109	NASDAQ	ISTR	Mon, Dec 8, 2014	13.95	14.20	13.86	14.20
108	NASDAQ	ISTR	Fri, Dec 5, 2014	13.77	14.01	13.75	14.01
107	NASDAQ	ISTR	Thu, Dec 4, 2014	13.75	13.77	13.65	13.75
106	NASDAQ	ISTR	Wed, Dec 3, 2014	13.75	13.75	13.75	13.75
105	NASDAQ	ISTR	Tue, Dec 2, 2014	13.77	13.77	13.75	13.75
104	NASDAQ	ISTR	Mon, Dec 1, 2014	13.74	13.79	13.74	13.75
103	NASDAQ	ISTR	Fri, Nov 28, 2014	13.75	13.77	13.77	13.77
102	NASDAQ	ISTR	Wed, Nov 26, 2014	13.76	13.76	13.76	13.76
101	NASDAQ	ISTR	Tue, Nov 25, 2014	13.75	13.77	13.70	13.75
100	NASDAQ	ISTR	Mon, Nov 24, 2014	13.75	13.77	13.75	13.75
99	NASDAQ	ISTR	Fri, Nov 21, 2014	13.60	13.80	13.60	13.75
98	NASDAQ	ISTR	Thu, Nov 20, 2014	13.60	13.90	13.60	13.60
97	NASDAQ	ISTR	Wed, Nov 19, 2014	13.60	13.69	13.60	13.60
96	NASDAQ	ISTR	Tue, Nov 18, 2014	13.54	13.78	13.54	13.60
95	NASDAQ	ISTR	Mon, Nov 17, 2014	13.50	13.50	13.50	13.50
94	NASDAQ	ISTR	Fri, Nov 14, 2014	13.51	13.75	13.50	13.50
93	NASDAQ	ISTR	Thu, Nov 13, 2014	13.70	13.98	13.70	13.74
92	NASDAQ	ISTR	Wed, Nov 12, 2014	13.41	13.70	13.40	13.70
91	NASDAQ	ISTR	Tue, Nov 11, 2014	13.40	13.40	13.40	13.40
90	NASDAQ	ISTR	Mon, Nov 10, 2014	13.40	13.40	13.37	13.40
89	NASDAQ	ISTR	Fri, Nov 7, 2014	13.41	13.42	13.40	13.42
88	NASDAQ	ISTR	Thu, Nov 6, 2014	13.38	13.80	13.38	13.60
87	NASDAQ	ISTR	Wed, Nov 5, 2014	13.40	13.40	13.36	13.38
86	NASDAQ	ISTR	Tue, Nov 4, 2014	13.75	13.75	13.47	13.47
85	NASDAQ	ISTR	Mon, Nov 3, 2014	14.00	14.00	13.43	13.45
84	NASDAQ	ISTR	Fri, Oct 31, 2014	13.96	14.00	13.48	14.00
83	NASDAQ	ISTR	Wed, Oct 29, 2014	13.48	13.52	13.48	13.52
82	NASDAQ	ISTR	Tue, Oct 28, 2014	13.15	13.17	13.15	13.16
81	NASDAQ	ISTR	Mon, Oct 27, 2014	13.15	13.15	13.00	13.15
80	NASDAQ	ISTR	Fri, Oct 24, 2014	13.03	13.15	13.01	13.01
79	NASDAQ	ISTR	Thu, Oct 23, 2014	13.07	13.08	13.01	13.06
78	NASDAQ	ISTR	Wed, Oct 22, 2014	13.14	13.15	13.07	13.10
77	NASDAQ	ISTR	Tue, Oct 21, 2014	13.15	13.15	13.07	13.12
76	NASDAQ	ISTR	Mon, Oct 20, 2014	13.08	13.15	13.05	13.14
75	NASDAQ	ISTR	Fri, Oct 17, 2014	13.15	13.15	13.08	13.13
74	NASDAQ	ISTR	Thu, Oct 16, 2014	13.08	13.15	13.06	13.15
73	NASDAQ	ISTR	Tue, Oct 14, 2014	13.35	13.35	13.05	13.35
72	NASDAQ	ISTR	Mon, Oct 13, 2014	13.10	13.10	13.03	13.06
71	NASDAQ	ISTR	Fri, Oct 10, 2014	13.06	13.35	13.06	13.35
70	NASDAQ	ISTR	Thu, Oct 9, 2014	13.34	13.34	13.00	13.15
69	NASDAQ	ISTR	Tue, Oct 7, 2014	13.08	13.08	13.08	13.08
68	NASDAQ	ISTR	Mon, Oct 6, 2014	13.34	13.34	13.02	13.05
67	NASDAQ	ISTR	Fri, Oct 3, 2014	13.40	13.40	13.31	13.31
66	NASDAQ	ISTR	Thu, Oct 2, 2014	13.22	13.39	13.20	13.39
65	NASDAQ	ISTR	Wed, Oct 1, 2014	13.36	13.36	13.10	13.10
64	NASDAQ	ISTR	Tue, Sep 30, 2014	13.38	13.39	13.30	13.30
63	NASDAQ	ISTR	Mon, Sep 29, 2014	13.46	13.48	13.13	13.39
62	NASDAQ	ISTR	Fri, Sep 26, 2014	13.50	13.50	13.29	13.44
61	NASDAQ	ISTR	Thu, Sep 25, 2014	13.27	13.27	13.25	13.25
60	NASDAQ	ISTR	Wed, Sep 24, 2014	13.46	13.46	13.30	13.30
59	NASDAQ	ISTR	Tue, Sep 23, 2014	13.48	13.48	13.48	13.48
58	NASDAQ	ISTR	Mon, Sep 22, 2014	13.10	13.19	13.10	13.19
57	NASDAQ	ISTR	Fri, Sep 19, 2014	13.55	14.00	13.06	13.07
56	NASDAQ	ISTR	Thu, Sep 18, 2014	13.60	13.81	13.50	13.62
55	NASDAQ	ISTR	Wed, Sep 17, 2014	13.66	13.87	13.70	13.70
54	NASDAQ	ISTR	Tue, Sep 16, 2014	13.83	14.21	13.60	13.73
53	NASDAQ	ISTR	Mon, Sep 15, 2014	14.00	14.00	13.90	13.96
52	NASDAQ	ISTR	Fri, Sep 12, 2014	19.00	19.00	14.00	14.08
51	NASDAQ	ISTR	Thu, Sep 11, 2014	14.05	15.00	14.00	14.39
50	NASDAQ	ISTR	Wed, Sep 10, 2014	14.05	14.05	13.95	14.05
49	NASDAQ	ISTR	Tue, Sep 9, 2014	14.05	14.05	13.98	14.05
48	NASDAQ	ISTR	Mon, Sep 8, 2014	14.05	14.05	13.93	14.02
47	NASDAQ	ISTR	Fri, Sep 5, 2014	14.00	14.05	13.95	14.04
46	NASDAQ	ISTR	Thu, Sep 4, 2014	14.05	14.05	13.95	14.05
45	NASDAQ	ISTR	Wed, Sep 3, 2014	13.90	14.10	13.90	14.10
44	NASDAQ	ISTR	Tue, Sep 2, 2014	13.91	14.00	13.91	13.95
43	NASDAQ	ISTR	Fri, Aug 29, 2014	13.97	14.00	13.93	13.95
42	NASDAQ	ISTR	Thu, Aug 28, 2014	13.98	14.00	13.91	13.98
41	NASDAQ	ISTR	Wed, Aug 27, 2014	13.95	14.00	13.95	14.00
40	NASDAQ	ISTR	Tue, Aug 26, 2014	13.90	14.05	13.90	13.96
39	NASDAQ	ISTR	Mon, Aug 25, 2014	13.90	14.05	13.90	13.92
38	NASDAQ	ISTR	Fri, Aug 22, 2014	13.75	14.34	13.75	14.15
37	NASDAQ	ISTR	Thu, Aug 21, 2014	13.83	14.00	13.83	13.90
36	NASDAQ	ISTR	Wed, Aug 20, 2014	13.97	14.02	13.80	14.02
35	NASDAQ	ISTR	Tue, Aug 19, 2014	13.81	14.05	13.81	14.02
34	NASDAQ	ISTR	Mon, Aug 18, 2014	13.80	14.05	13.80	13.93
33	NASDAQ	ISTR	Fri, Aug 15, 2014	13.76	14.05	13.76	13.76
32	NASDAQ	ISTR	Thu, Aug 14, 2014	13.83	14.00	13.80	14.00
31	NASDAQ	ISTR	Wed, Aug 13, 2014	13.83	14.00	14.00	14.00
30	NASDAQ	ISTR	Tue, Aug 12, 2014	13.97	14.05	13.80	13.83
29	NASDAQ	ISTR	Mon, Aug 11, 2014	13.97	14.05	14.00	14.00
28	NASDAQ	ISTR	Fri, Aug 8, 2014	14.01	14.01	14.01	14.01
27	NASDAQ	ISTR	Thu, Aug 7, 2014	13.84	14.05	14.01	14.04
26	NASDAQ	ISTR	Wed, Aug 6, 2014	13.93	14.01	14.01	14.01
25	NASDAQ	ISTR	Tue, Aug 5, 2014	13.92	14.10	14.00	14.00
24	NASDAQ	ISTR	Mon, Aug 4, 2014	14.08	14.04	14.04	14.04
23	NASDAQ	ISTR	Fri, Aug 1, 2014	14.01	14.09	14.00	14.03
22	NASDAQ	ISTR	Thu, Jul 31, 2014	14.05	14.02	14.00	14.02
21	NASDAQ	ISTR	Wed, Jul 30, 2014	14.01	14.05	13.98	14.01
20	NASDAQ	ISTR	Tue, Jul 29, 2014	14.00	14.26	14.00	14.14
19	NASDAQ	ISTR	Mon, Jul 28, 2014	14.68	14.68	14.00	14.00
18	NASDAQ	ISTR	Fri, Jul 25, 2014	14.25	14.25	14.11	14.14
17	NASDAQ	ISTR	Thu, Jul 24, 2014	14.24	14.11	14.11	14.11
16	NASDAQ	ISTR	Wed, Jul 23, 2014	14.27	14.27	14.10	14.10
15	NASDAQ	ISTR	Tue, Jul 22, 2014	14.03	14.30	14.03	14.12
14	NASDAQ	ISTR	Mon, Jul 21, 2014	14.50	14.50	14.01	14.15
13	NASDAQ	ISTR	Fri, Jul 18, 2014	14.47	14.40	14.17	14.40
12	NASDAQ	ISTR	Thu, Jul 17, 2014	14.37	14.50	14.10	14.42
11	NASDAQ	ISTR	Wed, Jul 16, 2014	14.10	14.82	14.00	14.45
10	NASDAQ	ISTR	Tue, Jul 15, 2014	14.10	14.10	14.05	14.05
9	NASDAQ	ISTR	Mon, Jul 14, 2014	14.04	14.20	14.04	14.05
8	NASDAQ	ISTR	Fri, Jul 11, 2014	14.20	14.20	14.03	14.03
7	NASDAQ	ISTR	Thu, Jul 10, 2014	14.00	14.06	14.00	14.06
6	NASDAQ	ISTR	Wed, Jul 9, 2014	14.10	14.06	14.00	14.00
5	NASDAQ	ISTR	Tue, Jul 8, 2014	14.02	14.13	14.00	14.00
4	NASDAQ	ISTR	Mon, Jul 7, 2014	14.01	14.12	14.00	14.00
3	NASDAQ	ISTR	Thu, Jul 3, 2014	14.19	14.19	13.69	14.05
2	NASDAQ	ISTR	Wed, Jul 2, 2014	14.14	14.25	14.05	14.10
1	NASDAQ	ISTR	Tue, Jul 1, 2014	14.23	14.53	14.10	14.10
#	Exchange	Symbol	Date	Open	High	Low	Close

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