ZELDIS JEROME B

Director at IR BIOSCIENCES HOLDINGS INC · on record since Feb 17, 2009
Director at SOLIGENIX, INC. · on record since Jun 24, 2011
Director at Adynxx, Inc. · on record since May 21, 2012
Director at PTC THERAPEUTICS, INC. · on record since Jun 19, 2013
See Remarks at Sorrento Therapeutics, Inc. · on record since Nov 15, 2016
Director at Streamex Corp. · on record since Jul 20, 2015
Director at MetaStat, Inc. · on record since May 31, 2016
Director at Beyond Air, Inc. · on record since Apr 19, 2017
Director at NEXGEL, INC. · on record since Mar 12, 2021
Executive VP of Research & Dev at NexImmune, Inc. · on record since Feb 11, 2021

Insider trading activity of ZELDIS JEROME B

Transactions on record: 122; since Feb 17, 2009

Open-market buys: 19; $553.1K

Open-market sells: 7; $2M

Companies traded: 9; last filing Sep 18, 2026

Figures computed from official regulatory filings — .

Companies where ZELDIS JEROME B has traded

SOLIGENIX, INC.28 tx · $64.9K · Sep 18, 2026
PTC THERAPEUTICS, INC.32 tx · $4.7M · Jan 6, 2026
NEXGEL, INC.12 tx · $106.7K · Jun 27, 2025
NexImmune, Inc.3 tx · $100K · Apr 7, 2022
Streamex Corp.12 tx · $164.3K · Jul 15, 2020
4 tx · $51.5K · Nov 27, 2018
2 tx · Nov 21, 2017
26 tx · $440K · Jul 3, 2017
3 tx · Aug 21, 2009

Track record of ZELDIS JEROME B

Statistical track record

Free account

Open-market buys: 20

Last buy: Nov 20, 2024

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of ZELDIS JEROME B

Co-insiders of ZELDIS JEROME B

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SOLIGENIX, INC.Listing on record	Sep 18, 2026	AwardD (derivative)	78,947	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 6, 2026	Award	4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 6, 2026	AwardD (derivative)	3,475	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Jun 27, 2025	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Jun 20, 2025	AwardD (derivative)	17,647	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 7, 2025	Award	4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 7, 2025	AwardD (derivative)	8,800	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Dec 13, 2024	AwardD (derivative)	8,646	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Exercise	12,000	51.00 USD	$612K	Unusual size	SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Exercise	12,000	30.86 USD	$370.3K	Unusual size	SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-3,667	52.39 USD	$192.1K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-3,187	52.42 USD	$167.1K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-5,699	50.52 USD	$287.9K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-8,813	51.44 USD	$453.3K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-2,634	51.43 USD	$135.5K		SEC
NEXGEL, INC.Listing on record	Nov 22, 2024	AwardD (derivative)	1,818	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Nov 22, 2024	Buy	3,636	2.75 USD	$10K	conv 35Cluster	SEC
NEXGEL, INC.Listing on record	Sep 17, 2024	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Aug 27, 2024	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Aug 27, 2024	Buy	10,000	2.50 USD	$25K	conv 43ClusterFirst in 12mo	SEC
PTC THERAPEUTICS, INC.Listing on record	May 24, 2024	Exercise	20,000	26.42 USD	$528.4K	Unusual size	SEC
PTC THERAPEUTICS, INC.Listing on record	May 24, 2024	ExerciseD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	May 24, 2024	Sell	-20,000	38.24 USD	$764.8K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SOLIGENIX, INC.Listing on record	Sep 18, 2026	AwardD (derivative)	78,947	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 6, 2026	Award	4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 6, 2026	AwardD (derivative)	3,475	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Jun 27, 2025	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Jun 20, 2025	AwardD (derivative)	17,647	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 7, 2025	Award	4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Jan 7, 2025	AwardD (derivative)	8,800	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLIGENIX, INC.Listing on record	Dec 13, 2024	AwardD (derivative)	8,646	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Exercise	12,000	51.00 USD	$612K	Unusual size	SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Exercise	12,000	30.86 USD	$370.3K	Unusual size	SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-3,667	52.39 USD	$192.1K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-3,187	52.42 USD	$167.1K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-5,699	50.52 USD	$287.9K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-8,813	51.44 USD	$453.3K		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	Dec 4, 2024	Sell	-2,634	51.43 USD	$135.5K		SEC
NEXGEL, INC.Listing on record	Nov 22, 2024	AwardD (derivative)	1,818	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Nov 22, 2024	Buy	3,636	2.75 USD	$10K	conv 35Cluster	SEC
NEXGEL, INC.Listing on record	Sep 17, 2024	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Aug 27, 2024	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEXGEL, INC.Listing on record	Aug 27, 2024	Buy	10,000	2.50 USD	$25K	conv 43ClusterFirst in 12mo	SEC
PTC THERAPEUTICS, INC.Listing on record	May 24, 2024	Exercise	20,000	26.42 USD	$528.4K	Unusual size	SEC
PTC THERAPEUTICS, INC.Listing on record	May 24, 2024	ExerciseD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PTC THERAPEUTICS, INC.Listing on record	May 24, 2024	Sell	-20,000	38.24 USD	$764.8K		SEC