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NATI - As of  04/30/25, 10:28:47 AM:   108 Insider Transactions.

Sector: Technology    Industry: Technical & System Software
Prev Close:$28.02  Avg Vol(3m): 442,273  P/E: 40.60  EPS: 0.69

Email this page to a friend.    Insider Transactions for NATI

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-02-14 14:03:36.0 NATIONAL INSTRUMENTS CORP NATI James J 5.95% view
B 2020-02-14 13:29:43.0 NATIONAL INSTRUMENTS CORP NATI PRICE T ROWE ASSOCIATES INC 13.5% view
S 2020-02-13 16:08:54.0 NATIONAL INSTRUMENTS CORP NATI JANUS HENDERSON GROUP PLC 7.4% view
B 2020-02-12 08:02:39.0 NATIONAL INSTRUMENTS CORP NATI VANGUARD GROUP INC 9.13% view
S 2020-02-04 12:16:19.0 NATIONAL INSTRUMENTS CORP NATI BlackRock Inc 10.5% view
B 2019-09-10 12:13:23.0 NATIONAL INSTRUMENTS CORP NATI PRICE T ROWE ASSOCIATES INC 10.9% view
B 2019-07-10 16:25:38.0 NATIONAL INSTRUMENTS CORP NATI BlackRock Inc 10.6% view
S 2019-02-14 13:48:09.0 NATIONAL INSTRUMENTS CORP NATI PRICE T ROWE ASSOCIATES INC 6.2% view
S 2019-02-11 19:39:38.0 NATIONAL INSTRUMENTS CORP NATI JANUS HENDERSON GROUP PLC 8.4% view
B 2019-02-11 14:34:56.0 NATIONAL INSTRUMENTS CORP NATI VANGUARD GROUP INC 8.78% view
B 2019-02-06 15:05:27.0 NATIONAL INSTRUMENTS CORP NATI BlackRock Inc 8.8% view
B 2018-02-14 13:58:14.0 NATIONAL INSTRUMENTS CORP NATI PRICE T ROWE ASSOCIATES INC 7.3% view
S 2018-02-13 18:14:50.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 6.73% view
B 2018-02-13 17:01:14.0 NATIONAL INSTRUMENTS CORP NATI JANUS HENDERSON GROUP PLC 8.7% view
S 2018-02-13 16:43:57.0 NATIONAL INSTRUMENTS CORP NATI JANUS CAPITAL MANAGEMENT LLC 0.0% view
B 2018-02-09 10:49:59.0 NATIONAL INSTRUMENTS CORP NATI VANGUARD GROUP INC 7.62% view
B 2018-02-08 12:06:26.0 NATIONAL INSTRUMENTS CORP NATI WELLINGTON MANAGEMENT GROUP LLP 5.09% view
S 2017-02-13 17:10:12.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 8.02% view
B 2017-02-13 14:38:34.0 NATIONAL INSTRUMENTS CORP NATI JANUS CAPITAL MANAGEMENT LLC 8.5% view
B 2017-02-10 10:48:13.0 NATIONAL INSTRUMENTS CORP NATI VANGUARD GROUP INC 6.99% view
B 2017-02-07 12:16:09.0 NATIONAL INSTRUMENTS CORP NATI PRICE T ROWE ASSOCIATES INC 5.4% view
B 2017-01-25 17:23:01.0 NATIONAL INSTRUMENTS CORP NATI BlackRock Inc 6.8% view
B 2016-10-11 09:41:05.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY INC 100.0% view
B 2016-02-16 15:41:46.0 NATIONAL INSTRUMENTS CORP NATI JANUS CAPITAL MANAGEMENT LLC 5.4% view
S 2016-02-08 18:29:09.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY INC 5.9% view
B 2016-01-28 15:59:42.0 NATIONAL INSTRUMENTS CORP NATI BlackRock Inc 5.4% view
B 2015-02-24 14:54:15.0 NATIONAL INSTRUMENTS CORP NATI James J 8.42% view
S 2015-02-17 14:19:57.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 10.42% view
S 2015-02-12 18:33:56.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY INC 7.14% view
B 2015-02-10 11:13:07.0 NATIONAL INSTRUMENTS CORP NATI VANGUARD GROUP INC 5.05% view
S 2014-02-14 15:17:56.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 19.17% view
S 2014-02-13 17:13:35.0 NATIONAL INSTRUMENTS CORP NATI Capital World Investors 4.5% view
B 2014-02-06 19:48:39.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY INC 8.23% view
S 2014-01-28 14:25:21.0 NATIONAL INSTRUMENTS CORP NATI ROYCE & ASSOCIATES LLC 4.79% view
S 2013-02-14 15:26:38.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 19.61% view
S 2013-02-13 11:44:23.0 NATIONAL INSTRUMENTS CORP NATI Capital World Investors 6.0% view
B 2013-02-06 18:01:55.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY INC 6.01% view
B 2013-01-17 10:37:55.0 NATIONAL INSTRUMENTS CORP NATI ROYCE & ASSOCIATES LLC 5.07% view
S 2012-02-14 14:49:52.0 NATIONAL INSTRUMENTS CORP NATI Neuberger Berman Group LLC 4.046% view
S 2012-02-13 18:18:24.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 19.97% view
B 2012-02-10 13:22:08.0 NATIONAL INSTRUMENTS CORP NATI Capital World Investors 6.5% view
B 2012-02-01 17:46:39.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY HOLDINGS INC 5.96% view
S 2012-01-19 14:41:52.0 NATIONAL INSTRUMENTS CORP NATI ROYCE & ASSOCIATES LLC 5.07% view
B 2011-10-07 16:40:18.0 NATIONAL INSTRUMENTS CORP NATI BROWN ADVISORY HOLDINGS INC 5.29% view
S 2011-02-14 13:42:51.0 NATIONAL INSTRUMENTS CORP NATI Neuberger Berman Group LLC 5.142% view
B 2011-02-11 19:50:40.0 NATIONAL INSTRUMENTS CORP NATI Capital World Investors 6.3% view
S 2011-02-10 17:20:27.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 20.52% view
B 2011-02-10 12:02:50.0 NATIONAL INSTRUMENTS CORP NATI PRICE T ROWE ASSOCIATES INC 1.5% view
B 2011-01-18 16:07:57.0 NATIONAL INSTRUMENTS CORP NATI ROYCE & ASSOCIATES LLC 5.18% view
S 2010-02-16 17:31:12.0 NATIONAL INSTRUMENTS CORP NATI Neuberger Berman Group LLC 6.664% view
S 2010-02-12 20:46:11.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 21.69% view
S 2010-01-26 11:33:33.0 NATIONAL INSTRUMENTS CORP NATI ROYCE & ASSOCIATES LLC 5.18% view
B 2009-06-10 21:47:53.0 NATIONAL INSTRUMENTS CORP NATI Neuberger Berman Group LLC 7.577% view
B 2009-02-19 18:31:01.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 21.9% view
B 2009-02-17 16:04:30.0 NATIONAL INSTRUMENTS CORP NATI Invesco Ltd 5.4% view
B 2009-02-11 10:11:21.0 NATIONAL INSTRUMENTS CORP NATI NEUBERGER BERMAN INC 7.189% view
B 2009-01-27 11:18:27.0 NATIONAL INSTRUMENTS CORP NATI ROYCE & ASSOCIATES LLC 5.22% view
S 2008-02-14 12:00:51.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 21.67% view
S 2008-02-13 12:00:30.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 0.0% view
B 2008-02-12 17:23:19.0 NATIONAL INSTRUMENTS CORP NATI NEUBERGER BERMAN INC 6.825% view
S 2007-02-14 17:04:27.0 NATIONAL INSTRUMENTS CORP NATI FMR CORP n/a view
S 2007-02-14 10:45:36.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 22.3% view
B 2007-02-13 12:50:38.0 NATIONAL INSTRUMENTS CORP NATI NEUBERGER BERMAN INC 6.122% view
S 2007-02-09 17:41:03.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 5.5% view
S 2006-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 23.1% view
B 2006-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI NEUBERGER BERMAN INC 5.14% view
S 2006-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI FMR CORP n/a view
S 2006-02-10 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 7.5% view
B 2005-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 7.8% view
S 2005-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI FMR CORP n/a view
S 2005-02-10 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 23.4% view
B 2004-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI FMR CORP n/a view
S 2004-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 24.19025% view
S 2004-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 4.95% view
B 2004-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 7.7% view
S 2004-02-04 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI FRANKLIN RESOURCES INC 4.2% view
S 2003-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 4.95% view
S 2003-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 5.81% view
S 2003-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 24.9% view
B 2003-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 7.4% view
B 2003-02-12 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI FRANKLIN RESOURCES INC 5.0% view
S 2002-02-20 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 6.0% view
S 2002-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 25.2% view
S 2002-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 5.0% view
B 2002-02-11 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI CAPITAL RESEARCH & MANAGEMENT CO 6.4% view
S 2001-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 25.6% view
S 2001-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 6.3% view
S 2001-02-13 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 5.2% view
S 2000-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 5.3% view
S 2000-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 6.7% view
S 2000-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 26.23% view
S 2000-02-08 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI MERRILL LYNCH & CO INC 0.02% view
S 1999-04-06 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI WARBURG PINCUS ASSET MANAGEMENT INC n/a view
S 1999-02-12 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 7.14% view
S 1999-02-12 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI NOWLIN WILIAM C JR 4.66% view
S 1999-02-12 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 6.47% view
S 1999-02-12 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 26.9% view
B 1999-02-04 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI MERRILL LYNCH & CO INC 6.7% view
B 1998-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 7.62% view
S 1998-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI NOWLIN WILIAM C JR 5.71% view
S 1998-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 27.52% view
S 1998-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 6.92% view
B 1998-02-17 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 7.63% view
B 1998-01-16 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI WARBURG PINCUS ASSET MANAGEMENT INC 5.33% view
B 1997-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI KODOSKY JEFFREY L 7.6% view
B 1997-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI NOWLIN WILIAM C JR 7.0% view
B 1997-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI TRUCHARD JAMES J 28.0% view
B 1997-02-14 00:00:00.0 NATIONAL INSTRUMENTS CORP NATI ASHBY L WAYNE 7.8% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.