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GTCB - As of  04/30/25, 11:37:35 AM:   36 Insider Transactions.

Sector: Unknown    Industry: Biotechnology
Prev Close:$0.00  Avg Vol(3m): 0  P/E: 0.00  EPS: 0.00

Email this page to a friend.    Insider Transactions for GTCB

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2010-12-06 11:51:52.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 100.0% view
B 2010-11-09 12:24:44.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 83.2% view
B 2010-10-19 08:45:31.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 83.2% view
B 2010-09-16 16:33:19.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 83.2% view
B 2010-06-22 07:29:08.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 83.2% view
S 2010-02-10 17:16:10.0 GTC BIOTHERAPEUTICS INC GTCB WILLIAM HARRIS INVESTORS INC 2.2% view
S 2010-01-11 17:29:06.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 77.1% view
B 2009-11-05 16:02:19.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 77.1% view
B 2009-08-14 13:47:19.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 70.0% view
B 2009-08-05 09:53:08.0 GTC BIOTHERAPEUTICS INC GTCB Sonora Investment Management 5.12% view
S 2009-04-21 21:14:13.0 GTC BIOTHERAPEUTICS INC GTCB Sonora Investment Management 5.1% view
B 2009-04-03 13:25:22.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 52.2% view
S 2009-02-12 19:53:31.0 GTC BIOTHERAPEUTICS INC GTCB WILLIAM HARRIS INVESTORS INC 5.6% view
S 2009-02-03 20:49:14.0 GTC BIOTHERAPEUTICS INC GTCB Sonora Investment Management 5.29% view
B 2008-12-31 10:59:38.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 34.4% view
B 2008-03-14 16:54:35.0 GTC BIOTHERAPEUTICS INC GTCB Sonora Investment Management 6.66% view
S 2008-02-25 15:46:27.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 19.9% view
S 2008-02-13 16:49:30.0 GTC BIOTHERAPEUTICS INC GTCB WILLIAM HARRIS INVESTORS INC 8.68% view
B 2007-02-14 14:03:49.0 GTC BIOTHERAPEUTICS INC GTCB WILLIAM HARRIS INVESTORS INC 9.36% view
B 2007-01-08 10:36:54.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 19.9% view
B 2006-12-22 09:37:37.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 16.6% view
B 2006-10-13 17:18:28.0 GTC BIOTHERAPEUTICS INC GTCB LFB Biotechnologies S 6.4% view
B 2006-02-14 00:00:00.0 GTC BIOTHERAPEUTICS INC GTCB WILLIAM HARRIS INVESTORS INC 5.23% view
S 2004-03-01 00:00:00.0 GTC BIOTHERAPEUTICS INC GTCB INTRINSIC VALUE ASSET MANAGEMENT INC 3.5% view
B 2003-10-17 00:00:00.0 GTC BIOTHERAPEUTICS INC GTCB INTRINSIC VALUE ASSET MANAGEMENT INC 6.6% view
B 2003-09-26 00:00:00.0 GTC BIOTHERAPEUTICS INC GTCB INTRINSIC VALUE ASSET MANAGEMENT INC 5.4% view
S 2003-05-09 00:00:00.0 GTC BIOTHERAPEUTICS INC GTCB INTRINSIC VALUE ASSET MANAGEMENT INC 3.6% view
B 2003-01-28 00:00:00.0 GTC BIOTHERAPEUTICS INC GTCB INTRINSIC VALUE ASSET MANAGEMENT INC 5.4% view
S 2002-04-09 00:00:00.0 GENZYME TRANSGENICS CORP GTCB GENZYME CORP 19.5% view
S 2002-02-15 00:00:00.0 GENZYME TRANSGENICS CORP GTCB AMERINDO INVESTMENT ADVISORS INC 1.99% view
B 2001-08-14 00:00:00.0 GENZYME TRANSGENICS CORP GTCB BANQUE PICTET S A 7.16% view
B 2001-07-09 00:00:00.0 GENZYME TRANSGENICS CORP GTCB AMERINDO INVESTMENT ADVISORS INC 5.43% view
S 2001-01-08 00:00:00.0 GENZYME TRANSGENICS CORP GTCB GENZYME CORP 27.4% view
S 1999-11-24 00:00:00.0 GENZYME TRANSGENICS CORP GTCB GENZYME CORP 38.1% view
S 1999-02-26 00:00:00.0 GENZYME TRANSGENICS CORP GTCB GENZYME CORP 41.3% view
B 1996-08-09 00:00:00.0 GENZYME TRANSGENICS CORP GTCB GENZYME CORP 45.0% 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.