GTC BIOTHERAPEUTICS INC

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

organization

SEC Insider

$93.3M

285 transactions

Summary

GTC BIOTHERAPEUTICS INC is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $41.7MSales: $68K18 insiders

Date	Insider	Type	Value
2010-01-06	LFB Biotechnologies S.A.S.U.(Director by Deputization)	C	$6.8M
2010-01-06	LFB Biotechnologies S.A.S.U.(Director by Deputization)	C	$6.0M
2010-01-19	Scotland Richard A(Senior VP, Regulatory Affairs)	Sell	$17K
2010-02-09	Scotland Richard A(Senior VP, Regulatory Affairs)	Buy	$16K
2009-12-31	GERAGHTY JAMES A	A	$3K
2009-12-31	BULLOCK FRANCIS J	A	$2K
2010-07-02	BULLOCK FRANCIS J	A	$2K
2010-04-01	BULLOCK FRANCIS J	A	$2K
2010-09-30	BULLOCK FRANCIS J	A	$2K
2010-09-30	TUCK ALAN W	A	$2K
2010-07-02	TUCK ALAN W	A	$2K
2009-12-31	TUCK ALAN W	A	$2K
2010-04-01	TUCK ALAN W	A	$1K
2010-07-02	MCNAMARA PAMELA W	A	$1K
2010-04-01	MCNAMARA PAMELA W	A	$999.9
2009-12-31	MCNAMARA PAMELA W	A	$999.75
2010-06-15	HEIDEN WILLIAM K(Chairman, President and CEO)	A	$0
2010-06-15	LFB Biotechnologies S.A.S.U.	Buy	—
2010-01-06	LFB Biotechnologies S.A.S.U.(Director by Deputization)	C	$0
2010-01-06	LFB Biotechnologies S.A.S.U.(Director by Deputization)	C	$0

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

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