HAUSMAN MARVIN S MD

Director at ARBIOS SYSTEMS INC · on record since Feb 13, 2006
Director at HORIZON PHARMACEUTICAL LLC · on record since Aug 25, 2006
Director at GT Biopharma, Inc. · on record since Aug 2, 2006
Director at Entia Biosciences, Inc. · on record since Jun 22, 2009
10% owner at Entia Biosciences, Inc. · on record since Jun 22, 2009
PRESIDENT, CEO at Entia Biosciences, Inc. · on record since Nov 16, 2011
10% owner at LUDWIG ENTERPRISES, INC. · on record since May 1, 2026
Director at ERGO SCIENCE CORP /DE/ · on record since Jan 22, 2013
10% owner at ERGO SCIENCE CORP /DE/ · on record since Jan 22, 2013
Director at PHARMOS CORP · on record since Dec 13, 2004
Chairman and CEO at PHARMOS CORP · on record since Dec 13, 2004
Chairman, CSTO at ERGO SCIENCE CORP /DE/ · on record since Feb 16, 2017
Chairman & CEO at HORIZON PHARMACEUTICAL LLC · on record since Jan 13, 2005
Interim CFO at GT Biopharma, Inc. · on record since Oct 7, 2005

Insider trading activity of HAUSMAN MARVIN S MD

Transactions on record: 86; since Aug 6, 2003

Open-market buys: 3; $722.6K

Open-market sells: 18; $806K

Companies traded: 7; last filing May 1, 2026

Figures computed from official regulatory filings — .

Companies where HAUSMAN MARVIN S MD has traded

LUDWIG ENTERPRISES, INC.2 tx · $40K · May 1, 2026
ERGO SCIENCE CORP /DE/28 tx · $401.7M · Feb 16, 2017
11 tx · $1.6M · Dec 21, 2011
14 tx · $470.8K · Feb 8, 2008
22 tx · $1.3M · Aug 25, 2006
5 tx · Feb 13, 2006
4 tx · $137.8K · Dec 13, 2004

Track record of HAUSMAN MARVIN S MD

Open-market buys: 9

Last buy: Dec 5, 2016

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of HAUSMAN MARVIN S MD

Co-insiders of HAUSMAN MARVIN S MD

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
LUDWIG ENTERPRISES, INC.Listing unverified	May 1, 2026	Sell	-500,000	0.02 USD	$10K	SEC
LUDWIG ENTERPRISES, INC.Listing unverified	May 1, 2026	Sell	-1,500,000	0.02 USD	$30K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	600,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	200,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	1,861,170	0.18 USD	$335K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	300,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	250,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 6, 2016	BuyD (derivative)	0	—	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 6, 2016	BuyD (derivative)	40,000	10,000.00 USD	$400M	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Apr 28, 2015	Award	600,000	0.20 USD	$120K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-8,000	0.30 USD	$2.4K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,000	0.30 USD	$300	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,200	0.30 USD	$360	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,200	0.30 USD	$360	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,200	0.30 USD	$360	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,000	0.30 USD	$300	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-30,000	0.30 USD	$9K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	AwardD (derivative)	175,000	0.40 USD	$70K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Nov 12, 2014	Buy	2,162,980	0.30 USD	$648.9K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 31, 2013	BuyD (derivative)	1,000	5.00 USD	$5K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 31, 2013	BuyD (derivative)	16,025	5.00 USD	$80.1K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 19, 2013	Buy	62,505	0.38 USD	$23.8K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Nov 5, 2013	AwardD (derivative)	7,313	1.00 USD	$7.3K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Oct 17, 2013	AwardD (derivative)	400,000	0.45 USD	$180K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Oct 17, 2013	AwardD (derivative)	200,000	0.45 USD	$90K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
LUDWIG ENTERPRISES, INC.Listing unverified	May 1, 2026	Sell	-500,000	0.02 USD	$10K	SEC
LUDWIG ENTERPRISES, INC.Listing unverified	May 1, 2026	Sell	-1,500,000	0.02 USD	$30K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	600,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	200,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	1,861,170	0.18 USD	$335K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	300,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 16, 2017	Award	250,000	0.00 USD	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 6, 2016	BuyD (derivative)	0	—	—	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 6, 2016	BuyD (derivative)	40,000	10,000.00 USD	$400M	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Apr 28, 2015	Award	600,000	0.20 USD	$120K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-8,000	0.30 USD	$2.4K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,000	0.30 USD	$300	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,200	0.30 USD	$360	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,200	0.30 USD	$360	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,200	0.30 USD	$360	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-1,000	0.30 USD	$300	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	Gift	-30,000	0.30 USD	$9K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Feb 17, 2015	AwardD (derivative)	175,000	0.40 USD	$70K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Nov 12, 2014	Buy	2,162,980	0.30 USD	$648.9K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 31, 2013	BuyD (derivative)	1,000	5.00 USD	$5K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 31, 2013	BuyD (derivative)	16,025	5.00 USD	$80.1K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Dec 19, 2013	Buy	62,505	0.38 USD	$23.8K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Nov 5, 2013	AwardD (derivative)	7,313	1.00 USD	$7.3K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Oct 17, 2013	AwardD (derivative)	400,000	0.45 USD	$180K	SEC
ERGO SCIENCE CORP /DE/Listing unverified	Oct 17, 2013	AwardD (derivative)	200,000	0.45 USD	$90K	SEC