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Who

Michael T. Sember

Director

Company insider

Files Form 4 as: Director, Quoin Pharmaceuticals; Director, Iomed; Chief Executive Officer, Soligenix.

In numbers

Trades disclosed
21
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
3
Companies where not an officer
2
First trade
7 Dec 2004
Last trade
4 Feb 2026
Last filed
6 Feb 2026

Companies traded

Where they are an officer
SNGX SoligenixDirector, Officer · Biotechnology · last 10 Apr 20060 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
QNRX Quoin PharmaceuticalsDirector · Biotechnology · last 4 Feb 20260 buys · 0 sells
IomedDirector · last 9 Aug 20070 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
4 Feb 2026filed 6 Feb 2026QNRX Quoin Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—8,141 at $0.00filing
4 Feb 2026filed 6 Feb 2026QNRX Quoin Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—8,141 at $0.00filing
29 May 2025filed 2 Jun 2025QNRX Quoin Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—7,760 at $0.00filing
9 Dec 2024filed 10 Dec 2024QNRX Quoin Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—50,714 at $0.00filing
26 Oct 2023filed 30 Oct 2023QNRX Quoin Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—7,652 at $0.00filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$26K15,000 at $1.72filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$38K15,000 at $2.55filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$36K15,000 at $2.43filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$33K15,000 at $2.20filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$18K15,000 at $1.17filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$28K15,000 at $1.89filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$98K15,000 at $6.50filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$39K10,000 at $3.88filing
9 Aug 2007filed 13 Aug 2007Iomedoption or derivativeSEC FORM 4 Code D$23K10,000 at $2.25filing
9 Nov 2006filed 13 Nov 2006Iomedoption or derivativeSEC FORM 4 Code A$26K15,000 at $1.72filing
10 Apr 2006filed 10 Apr 2006SNGX Soligenixoption or derivative · BiotechnologySEC FORM 4 Code A—180,440 at $0.00filing
10 Apr 2006filed 10 Apr 2006SNGX SoligenixBiotechnologySEC FORM 4 Code A$81K180,440 at $0.45filing
10 Apr 2006filed 10 Apr 2006SNGX Soligenixoption or derivative · BiotechnologySEC FORM 4 Code A—180,440 at $0.00filing
10 Apr 2006filed 10 Apr 2006SNGX SoligenixBiotechnologySEC FORM 4 Code A$51K180,440 at $0.28filing
7 Dec 2004filed 10 Apr 2006SNGX Soligenixoption or derivative · BiotechnologySEC FORM 4 Code A—2,000,000 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Christopher J. SchaberChairman, CEO and President · Chairman, CEO and President at Soligenix, filing Form 4 there in the last year
Anthony Gregg LapointeDirector · Director at Soligenix, filing Form 4 there in the last year
Robert J. RubinDirector · Director at Soligenix, filing Form 4 there in the last year
Jerome B. ZeldisDirector · Director at Soligenix, filing Form 4 there in the last year
Jonathan L. GuarinoCFO · CFO at Soligenix, filing Form 4 there in the last year