SEMBER MICHAEL T

Director at SOLIGENIX, INC. · on record since Apr 10, 2006
Chief Executive Officer at SOLIGENIX, INC. · on record since Apr 10, 2006
Director at IOMED LLC · on record since Nov 13, 2006
President/COO at WOMEN FIRST HEALTHCARE INC · on record since Aug 6, 2003
Director at Quoin Pharmaceuticals Ltd. · on record since Mar 7, 2023

Insider trading activity of SEMBER MICHAEL T

Transactions on record: 24; since Aug 6, 2003

Open-market buys: 0

Open-market sells: 0

Companies traded: 4; last filing Feb 6, 2026

Figures computed from official regulatory filings — .

Companies where SEMBER MICHAEL T has traded

Quoin Pharmaceuticals Ltd.4 tx · Feb 6, 2026
IOMED LLC13 tx · $471.7K · Aug 13, 2007
SOLIGENIX, INC.6 tx · $131.7K · Apr 10, 2006
WOMEN FIRST HEALTHCARE INC1 tx · $65K · Aug 6, 2003

Track record of SEMBER MICHAEL T

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of SEMBER MICHAEL T

Co-insiders of SEMBER MICHAEL T

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Quoin Pharmaceuticals Ltd.Listing on record	Feb 6, 2026	AwardD (derivative)	8,141	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Quoin Pharmaceuticals Ltd.Listing on record	Jun 2, 2025	AwardD (derivative)	7,760	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Quoin Pharmaceuticals Ltd.Listing on record	Dec 10, 2024	AwardD (derivative)	50,714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Quoin Pharmaceuticals Ltd.Listing on record	Oct 30, 2023	AwardD (derivative)	7,652	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-10,000	2.25	$22.5K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	6.50	$97.5K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	2.55	$38.3K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	1.72	$25.8K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	2.20	$33K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	1.89	$28.4K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	1.17	$17.6K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-10,000	3.88	$38.8K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	2.43	$36.5K		SEC
IOMED LLCListing unverified	Nov 13, 2006	AwardD (derivative)	15,000	1.72	$25.8K		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	Award	180,440	0.45	$81.2K	Unusual size	SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	180,440	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	180,440	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	Award	180,440	0.28	$50.5K		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	2,000,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	2,000,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
IOMED LLCListing unverified	Nov 15, 2005	AwardD (derivative)	15,000	2.55 USD	$38.3K		SEC
IOMED LLCListing unverified	Nov 15, 2004	AwardD (derivative)	15,000	2.43 USD	$36.5K		SEC
IOMED LLCListing unverified	Nov 19, 2003	AwardD (derivative)	15,000	2.20 USD	$33K		SEC
WOMEN FIRST HEALTHCARE INCListing unverified	Aug 6, 2003	AwardD (derivative)	50,000	1.30 USD	$65K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Quoin Pharmaceuticals Ltd.Listing on record	Feb 6, 2026	AwardD (derivative)	8,141	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Quoin Pharmaceuticals Ltd.Listing on record	Jun 2, 2025	AwardD (derivative)	7,760	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Quoin Pharmaceuticals Ltd.Listing on record	Dec 10, 2024	AwardD (derivative)	50,714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Quoin Pharmaceuticals Ltd.Listing on record	Oct 30, 2023	AwardD (derivative)	7,652	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-10,000	2.25	$22.5K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	6.50	$97.5K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	2.55	$38.3K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	1.72	$25.8K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	2.20	$33K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	1.89	$28.4K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	1.17	$17.6K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-10,000	3.88	$38.8K		SEC
IOMED LLCListing unverified	Aug 13, 2007	OtherD (derivative)	-15,000	2.43	$36.5K		SEC
IOMED LLCListing unverified	Nov 13, 2006	AwardD (derivative)	15,000	1.72	$25.8K		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	Award	180,440	0.45	$81.2K	Unusual size	SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	180,440	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	180,440	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	Award	180,440	0.28	$50.5K		SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	2,000,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
SOLIGENIX, INC.Listing on record	Apr 10, 2006	AwardD (derivative)	2,000,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
IOMED LLCListing unverified	Nov 15, 2005	AwardD (derivative)	15,000	2.55 USD	$38.3K		SEC
IOMED LLCListing unverified	Nov 15, 2004	AwardD (derivative)	15,000	2.43 USD	$36.5K		SEC
IOMED LLCListing unverified	Nov 19, 2003	AwardD (derivative)	15,000	2.20 USD	$33K		SEC
WOMEN FIRST HEALTHCARE INCListing unverified	Aug 6, 2003	AwardD (derivative)	50,000	1.30 USD	$65K		SEC