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REGI - As of  04/30/25, 10:35:14 AM:   80 Insider Transactions.

Sector: Oil & Gas    Industry: Oil & Gas Refining & Marketing
Prev Close:$8.85  Avg Vol(3m): 660,508  P/E: 0.00  EPS: -2.55

Email this page to a friend.    Insider Transactions for REGI

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-02-14 16:40:33.0 HUDSON TECHNOLOGIES INC HDSN ArrowMark Colorado Holdings LLC 10.06% view
B 2020-02-12 16:07:38.0 HUDSON TECHNOLOGIES INC HDSN Pekin Hardy Strauss 100.0% view
B 2020-02-12 16:07:02.0 HUDSON TECHNOLOGIES INC HDSN GRANAHAN INVESTMENT MANAGEMENT INC 0.4% view
S 2020-02-12 11:25:28.0 HUDSON TECHNOLOGIES INC HDSN DIMENSIONAL FUND ADVISORS LP 0.9% view
B 2020-02-11 13:20:52.0 HUDSON TECHNOLOGIES INC HDSN COOPER CREEK PARTNERS MANAGEMENT LLC 9.76% view
S 2020-02-07 11:05:55.0 HUDSON TECHNOLOGIES INC HDSN FIL Ltd 0.0% view
B 2020-01-31 12:48:30.0 HUDSON TECHNOLOGIES INC HDSN CALM WATERS PARTNERSHIP 8.0% view
B 2019-07-31 16:34:22.0 HUDSON TECHNOLOGIES INC HDSN Lazatrus Ernest 12.0% view
B 2019-07-10 16:42:57.0 HUDSON TECHNOLOGIES INC HDSN ArrowMark Colorado Holdings LLC 10.4% view
B 2019-02-14 07:53:47.0 HUDSON TECHNOLOGIES INC HDSN ArrowMark Colorado Holdings LLC 9.2% view
B 2019-02-13 11:25:23.0 HUDSON TECHNOLOGIES INC HDSN FIL Ltd 6.047% view
B 2019-02-11 14:29:53.0 HUDSON TECHNOLOGIES INC HDSN PEKIN SINGER STRAUSS ASSET MANAGEMENT 6.761% view
B 2019-02-08 08:55:15.0 HUDSON TECHNOLOGIES INC HDSN DIMENSIONAL FUND ADVISORS LP 5.63% view
B 2019-01-31 13:49:07.0 HUDSON TECHNOLOGIES INC HDSN COOPER CREEK PARTNERS MANAGEMENT LLC 8.96% view
S 2019-01-24 12:59:04.0 HUDSON TECHNOLOGIES INC HDSN DnB Asset Management AS 4.6% view
B 2019-01-18 16:24:14.0 HUDSON TECHNOLOGIES INC HDSN CALM WATERS PARTNERSHIP 7.3% view
B 2018-08-09 17:18:50.0 HUDSON TECHNOLOGIES INC HDSN CALM WATERS PARTNERSHIP 5.6% view
S 2018-07-10 08:24:13.0 HUDSON TECHNOLOGIES INC HDSN BlackRock Inc 1.9% view
B 2018-02-13 09:39:42.0 HUDSON TECHNOLOGIES INC HDSN FMR LLC 5.708% view
B 2018-02-09 09:32:26.0 HUDSON TECHNOLOGIES INC HDSN ArrowMark Colorado Holdings LLC 5.8% view
B 2018-02-09 09:29:16.0 HUDSON TECHNOLOGIES INC HDSN DIMENSIONAL FUND ADVISORS LP 5.6% view
B 2018-02-08 12:06:56.0 HUDSON TECHNOLOGIES INC HDSN DnB Asset Management AS 6.5% view
B 2018-02-01 09:24:12.0 HUDSON TECHNOLOGIES INC HDSN BlackRock Inc 5.7% view
B 2018-01-25 12:47:23.0 HUDSON TECHNOLOGIES INC HDSN COOPER CREEK PARTNERS MANAGEMENT LLC 5.78% view
S 2017-02-14 15:25:36.0 HUDSON TECHNOLOGIES INC HDSN WILLIAM BLAIR INVESTMENT MANAGEMENT 2.17% view
S 2017-02-14 14:39:28.0 HUDSON TECHNOLOGIES INC HDSN PERRITT CAPITAL MANAGEMENT INC 4.1% view
S 2017-02-03 16:30:56.0 HUDSON TECHNOLOGIES INC HDSN Northern Right Capital Management n/a view
S 2017-01-10 10:26:57.0 HUDSON TECHNOLOGIES INC HDSN HEARTLAND ADVISORS INC 4.7% view
S 2016-11-18 16:24:28.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 12.9% view
S 2016-11-18 16:21:06.0 HUDSON TECHNOLOGIES INC HDSN MANDRACCHIA STEPHEN P 4.7% view
B 2016-09-09 14:46:33.0 HUDSON TECHNOLOGIES INC HDSN WILLIAM BLAIR INVESTMENT MANAGEMENT 4.95% view
S 2016-02-12 15:57:15.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 4.1% view
S 2016-02-05 09:58:05.0 HUDSON TECHNOLOGIES INC HDSN HEARTLAND ADVISORS INC 7.6% view
S 2016-02-04 09:26:47.0 HUDSON TECHNOLOGIES INC HDSN PERRITT CAPITAL MANAGEMENT INC 5.1% view
B 2015-07-02 16:11:50.0 HUDSON TECHNOLOGIES INC HDSN BLAIR WILLIAM & CO 9.28% view
S 2015-02-13 17:07:35.0 HUDSON TECHNOLOGIES INC HDSN Becker Drapkin Management 7.5% view
B 2015-02-13 15:57:36.0 HUDSON TECHNOLOGIES INC HDSN PERRITT CAPITAL MANAGEMENT INC 5.3% view
B 2015-02-13 10:28:05.0 HUDSON TECHNOLOGIES INC HDSN HEARTLAND ADVISORS INC 7.8% view
S 2015-02-10 14:12:13.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 5.2% view
S 2015-02-04 16:15:25.0 HUDSON TECHNOLOGIES INC HDSN BLAIR WILLIAM & CO 9.28% view
B 2014-06-16 16:18:58.0 HUDSON TECHNOLOGIES INC HDSN Becker Drapkin Management 8.7% view
B 2014-03-07 15:03:20.0 HUDSON TECHNOLOGIES INC HDSN BLAIR WILLIAM & CO 10.42% view
S 2014-02-14 16:29:52.0 HUDSON TECHNOLOGIES INC HDSN Becker Drapkin Management 2.4% view
B 2014-02-06 13:05:18.0 HUDSON TECHNOLOGIES INC HDSN BLAIR WILLIAM & CO 8.59% view
S 2014-01-23 13:55:56.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 6.5% view
S 2013-03-29 14:02:01.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 18.34% view
S 2013-03-29 14:01:33.0 HUDSON TECHNOLOGIES INC HDSN MANDRACCHIA STEPHEN P 8.01% view
S 2013-01-09 13:06:00.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 7.1% view
S 2012-09-18 16:32:10.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 20.19% view
S 2012-03-21 16:07:12.0 HUDSON TECHNOLOGIES INC HDSN MANDRACCHIA STEPHEN P 9.21% view
B 2012-02-10 16:30:56.0 HUDSON TECHNOLOGIES INC HDSN Becker Drapkin Management 9.7% view
B 2012-02-01 12:46:14.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 7.5% view
B 2011-08-31 17:20:52.0 HUDSON TECHNOLOGIES INC HDSN Becker Drapkin Management 9.5% view
B 2011-05-12 17:10:47.0 HUDSON TECHNOLOGIES INC HDSN Becker Drapkin Management 8.4% view
S 2011-02-01 12:04:41.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 7.2% view
B 2010-01-20 14:15:19.0 HUDSON TECHNOLOGIES INC HDSN MARATHON CAPITAL MANAGEMENT 7.6% view
S 2008-11-03 16:32:22.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 27.45% view
S 2008-10-24 16:05:12.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 32.14% view
B 2008-09-09 12:03:35.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 34.12% view
S 2008-08-08 12:35:55.0 HUDSON TECHNOLOGIES INC n/a ZUGIBE KEVIN J 31.31% view
S 2008-06-02 12:12:39.0 HUDSON TECHNOLOGIES INC HDSN MANDRACCHIA STEPHEN P 11.9% view
S 2008-06-02 12:09:35.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 34.82% view
S 2007-10-03 16:02:35.0 HUDSON TECHNOLOGIES INC HDSN FLEMING US DISCOVERY FUND III LP 0.0% view
S 2007-07-20 16:02:31.0 HUDSON TECHNOLOGIES INC HDSN MANDRACCHIA STEPHEN P 11.9% view
S 2007-07-18 11:13:34.0 HUDSON TECHNOLOGIES INC HDSN FLEMING US DISCOVERY FUND III LP 18.0% view
B 2007-07-09 17:17:00.0 HUDSON TECHNOLOGIES INC HDSN MANDRACCHIA STEPHEN P 11.9% view
B 2007-07-09 17:16:41.0 HUDSON TECHNOLOGIES INC HDSN ZUGIBE KEVIN J 35.3% view
S 2005-07-08 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc MANDRACCHIA STEPHEN P 2.1% view
S 2005-07-08 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc ZUGIBE KEVIN J 3.9% view
B 2004-04-02 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING US DISCOVERY FUND III LP 64.6% view
B 2004-03-09 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc ZUGIBE KEVIN J 7.3% view
B 2004-03-09 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc MANDRACCHIA STEPHEN P 5.3% view
B 2004-03-03 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc ZUGIBE FREDERICK T SR 6.0% view
S 2003-12-22 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING US DISCOVERY FUND III LP n/a view
S 2003-12-12 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING US DISCOVERY FUND III LP n/a view
S 2003-09-15 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING US DISCOVERY FUND III LP n/a view
B 2003-06-25 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING US DISCOVERY FUND III LP n/a view
S 2001-02-14 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING ROBERT INC 0.0% view
B 1999-04-09 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc FLEMING ROBERT INC 35.0% view
B 1997-02-07 00:00:00.0 HUDSON TECHNOLOGIES INC hdsnc DUPONT E I DE NEMOURS & CO n/a 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.