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REGN - As of  04/30/25, 09:56:29 AM:   150 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$368.75  Avg Vol(3m): 891,762  P/E: 58.40  EPS: 6.31

Email this page to a friend.    Insider Transactions for REGN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-06-17 17:10:15.0 REGENERON PHARMACEUTICALS REGN Sanofi 2.59% view
B 2020-06-10 10:13:19.0 REGENERON PHARMACEUTICALS REGN FMR LLC 12.14% view
B 2020-05-29 16:15:48.0 REGENERON PHARMACEUTICALS REGN Sanofi 86.4% view
B 2020-02-13 21:26:19.0 REGENERON PHARMACEUTICALS REGN Capital World Investors 7.7% view
B 2020-02-12 11:16:23.0 REGENERON PHARMACEUTICALS REGN VANGUARD GROUP INC 5.79% view
B 2020-02-06 09:09:42.0 REGENERON PHARMACEUTICALS REGN BlackRock Inc 5.7% view
S 2019-12-09 17:00:49.0 REGENERON PHARMACEUTICALS REGN Sanofi 2.59% view
B 2019-02-13 18:36:27.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 6.6% view
S 2019-02-13 12:02:30.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 5.029% view
B 2019-02-11 15:14:07.0 REGENERON PHARMACEUTICALS INC REGN VANGUARD GROUP INC 5.54% view
S 2019-02-06 17:27:50.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 5.6% view
S 2018-02-13 17:34:20.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 4.5% view
S 2018-02-13 09:43:55.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 5.334% view
B 2018-02-09 10:43:07.0 REGENERON PHARMACEUTICALS INC REGN VANGUARD GROUP INC 5.2% view
S 2018-02-08 11:47:22.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT GROUP LLP 4.1% view
B 2018-01-09 17:20:25.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 22.6% view
B 2017-02-14 11:51:57.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 7.555% view
B 2017-02-13 17:04:47.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 7.4% view
S 2017-01-31 17:00:51.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 2.59% view
B 2017-01-25 17:23:43.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 5.9% view
S 2016-02-12 18:21:58.0 REGENERON PHARMACEUTICALS INC REGN SANDS CAPITAL MANAGEMENT 3.6% view
S 2016-02-12 17:31:56.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 6.6% view
S 2016-02-11 14:26:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT GROUP LLP 4.68% view
S 2016-02-10 10:26:56.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 5.3% view
S 2015-12-29 17:00:33.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 22.6% view
S 2015-02-13 16:05:48.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 7.9% view
S 2015-02-13 10:34:08.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 6.707% view
B 2015-02-12 16:40:55.0 REGENERON PHARMACEUTICALS INC REGN SANDS CAPITAL MANAGEMENT 5.0% view
S 2015-02-12 11:17:36.0 REGENERON PHARMACEUTICALS INC REGN PRICE T ROWE ASSOCIATES INC 3.9% view
B 2015-02-12 10:53:46.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT GROUP LLP 5.9% view
S 2015-02-06 17:52:56.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 5.9% view
B 2014-10-17 17:00:10.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 22.7% view
B 2014-07-31 17:00:29.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 22.5% view
B 2014-07-09 16:50:20.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 21.6% view
B 2014-07-01 07:45:23.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 20.5% view
B 2014-04-09 16:57:55.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 20.5% view
B 2014-04-08 17:05:04.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 20.5% view
B 2014-03-27 17:21:41.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 19.8% view
B 2014-03-14 17:03:20.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 18.4% view
B 2014-03-05 17:14:23.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 17.4% view
S 2014-02-14 06:56:31.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 7.445% view
S 2014-02-13 17:18:13.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 9.1% view
B 2014-02-13 11:10:38.0 REGENERON PHARMACEUTICALS INC REGN PRICE T ROWE ASSOCIATES INC 6.1% view
S 2014-01-30 11:39:42.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 6.1% view
B 2014-01-28 21:35:20.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 16.4% view
S 2014-01-14 17:21:19.0 REGENERON PHARMACEUTICALS INC REGN Sanofi 16.24% view
S 2013-09-10 09:46:48.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 9.544% view
B 2013-02-14 14:09:42.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 14.929% view
S 2013-02-14 12:50:46.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 4.08% view
S 2013-02-13 11:48:08.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 9.6% view
S 2013-02-08 07:11:29.0 REGENERON PHARMACEUTICALS INC REGN ARTISAN PARTNERS HOLDINGS LP 3.3% view
B 2013-02-06 15:08:50.0 REGENERON PHARMACEUTICALS INC REGN PRICE T ROWE ASSOCIATES INC 0.0% view
B 2013-02-05 10:07:24.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 6.33% view
S 2012-02-14 12:21:45.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 11.462% view
S 2012-02-14 11:52:02.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 6.67% view
B 2012-02-13 10:25:24.0 REGENERON PHARMACEUTICALS INC REGN PRICE T ROWE ASSOCIATES INC 0.0% view
B 2012-02-10 13:25:32.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 11.9% view
S 2012-02-08 17:30:43.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 5.26% view
B 2012-02-07 07:19:03.0 REGENERON PHARMACEUTICALS INC REGN ARTISAN PARTNERS HOLDINGS LP 6.0% view
B 2011-07-08 17:29:27.0 REGENERON PHARMACEUTICALS INC REGN Capital World Investors 10.6% view
B 2011-02-14 18:27:00.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 11.955% view
S 2011-02-14 13:52:41.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 10.88% view
S 2011-02-08 12:20:50.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 5.67% view
B 2011-01-10 17:35:44.0 REGENERON PHARMACEUTICALS INC REGN PRICE T ROWE ASSOCIATES INC 10.4% view
S 2010-09-20 11:45:13.0 REGENERON PHARMACEUTICALS INC REGN BERTARELLI ERNESTO 0.0% view
B 2010-07-12 14:25:15.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 10.91% view
B 2010-02-16 12:56:25.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 5.715% view
B 2010-01-29 15:00:33.0 REGENERON PHARMACEUTICALS INC REGN BlackRock Inc 7.3% view
B 2009-11-10 15:41:35.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC 3.477% view
B 2009-02-05 13:34:17.0 REGENERON PHARMACEUTICALS INC REGN BARCLAYS GLOBAL INVESTORS NA 4.87% view
S 2009-02-04 14:58:21.0 REGENERON PHARMACEUTICALS INC REGN QVT Financial LP 2.63% view
S 2009-01-29 11:57:38.0 REGENERON PHARMACEUTICALS INC REGN OPPENHEIMER FUNDS INC 4.1% view
B 2008-06-09 09:37:50.0 REGENERON PHARMACEUTICALS INC REGN QVT Financial LP 5.05% view
S 2008-04-11 12:01:03.0 REGENERON PHARMACEUTICALS INC REGN BERTARELLI ERNESTO 5.2% view
S 2008-02-14 16:34:57.0 REGENERON PHARMACEUTICALS INC REGN FMR LLC n/a view
S 2008-02-14 15:30:41.0 REGENERON PHARMACEUTICALS INC REGN LOOMIS SAYLES & CO L P 5.08% view
B 2008-02-06 12:07:35.0 REGENERON PHARMACEUTICALS INC REGN BARCLAYS GLOBAL INVESTORS NA 4.14% view
B 2008-02-05 17:01:39.0 REGENERON PHARMACEUTICALS INC REGN OPPENHEIMER FUNDS INC 5.0% view
B 2008-01-10 15:14:17.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 10.18% view
B 2007-12-21 10:26:15.0 REGENERON PHARMACEUTICALS INC REGN SANOFI 19.5% view
B 2007-02-14 12:40:32.0 REGENERON PHARMACEUTICALS INC REGN LOOMIS SAYLES & CO L P 5.6% view
S 2007-02-14 11:10:30.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 6.59% view
S 2007-02-13 16:01:27.0 REGENERON PHARMACEUTICALS INC REGN SCHLEIFER LEONARD S 4.7% view
S 2007-02-13 14:34:51.0 REGENERON PHARMACEUTICALS INC REGN SANOFI 5.0% view
S 2007-02-07 09:20:47.0 REGENERON PHARMACEUTICALS INC REGN VAGELOS P ROY 4.8% view
B 2007-01-23 16:49:08.0 REGENERON PHARMACEUTICALS INC REGN BARCLAYS GLOBAL INVESTORS NA 3.97% view
S 2006-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
B 2006-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN VAGELOS P ROY 5.3% view
B 2006-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN SCHLEIFER LEONARD S 5.4% view
B 2006-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 9.55% view
S 2006-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BERTARELLI ERNESTO 7.4% view
B 2006-02-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BARCLAYS PLC 0.0% view
S 2006-01-26 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BARCLAYS GLOBAL INVESTORS NA 3.57% view
S 2005-11-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN NOVARTIS PHARMA AG n/a view
B 2005-04-01 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN SCHLEIFER LEONARD S 5.1% view
B 2005-04-01 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN VAGELOS P ROY 5.0% view
B 2005-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BARCLAYS GLOBAL INVESTORS NA 4.76% view
B 2005-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 5.708% view
S 2005-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
S 2005-02-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 0.0% view
S 2005-02-09 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 5.5% view
B 2005-02-09 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN SANOFI 5.2% view
S 2004-05-05 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 6.0% view
S 2004-02-18 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN SCHLEIFER LEONARD S 4.7% view
S 2004-02-17 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
S 2004-02-13 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BERTARELLI ERNESTO 7.6% view
S 2004-02-12 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 4.924% view
S 2004-02-11 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 1.1% view
S 2003-10-07 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN TISCH THOMAS J 3.0% view
B 2003-09-12 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AVENTIS INC 5.3% view
S 2003-07-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
B 2003-05-21 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN NOVARTIS INC 15.2% view
S 2003-05-12 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
B 2003-04-08 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN NOVARTIS INC 5.4% view
B 2003-04-03 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN TISCH THOMAS J 6.0% view
B 2003-03-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 13.79% view
S 2003-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
B 2003-02-13 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN SCHLEIFER LEONARD S 5.5% view
S 2003-02-13 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FOUR PARTNERS 7.9% view
S 2003-02-12 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 13.55% view
S 2002-09-04 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BERTARELLI ERNESTO 9.6% view
B 2002-04-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FMR CORP n/a view
B 2002-02-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN n/a view
B 2002-02-12 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 13.71% view
S 2002-02-04 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 10.2% view
B 2001-12-04 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FOUR PARTNERS 9.9% view
S 2001-11-28 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 6.48% view
B 2001-04-10 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WELLINGTON MANAGEMENT CO LLP 12.11% view
B 2001-04-02 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN BERTARELLI ERNESTO 9.8% view
S 2001-03-22 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 14.3% view
B 2001-03-20 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN FOUR PARTNERS 4.36% view
B 2001-03-13 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 14.3% view
S 2001-03-12 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 16.54% view
S 2001-02-02 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN DIMENSIONAL FUND ADVISORS INC n/a view
S 2000-08-03 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 19.7% view
S 2000-06-05 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 20.9% view
S 2000-04-05 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 14.0% view
S 2000-03-07 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 15.5% view
S 2000-02-03 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN DIMENSIONAL FUND ADVISORS INC n/a view
S 1999-04-06 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WARBURG PINCUS ASSET MANAGEMENT INC n/a view
B 1999-02-11 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN DIMENSIONAL FUND ADVISORS INC n/a view
B 1998-02-06 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN CHANCELLOR LGT ASSET MANAGEMENT INC 8.91% view
S 1997-06-30 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 23.6% view
B 1997-06-26 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN PROCTER & GAMBLE CO 31.6% view
B 1997-01-14 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN WARBURG PINCUS COUNSELLORS INC 7.92% view
B 1996-04-18 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 24.1% view
B 1996-03-05 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 8.3% view
B 1995-12-06 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 7.6% view
S 1995-09-25 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 7.4% view
B 1995-07-26 00:00:00.0 REGENERON PHARMACEUTICALS INC REGN AMGEN INC 7.4% 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.