SEC ownership of SOLIGENIX, INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000812796.

Holder evidence

26

Lead holder

INTRACOASTAL CAPITAL, LLC

13D/G signal

INTRACOASTAL CAPITAL, LLC

Latest evidence

31 Mar 2026

Issuer identity
CIK
0000812796
Location
Princeton, NJ
Ownership snapshot
Latest large-stake holder
INTRACOASTAL CAPITAL, LLC
Latest evidence date
31 Mar 2026

Ownership snapshot

Top shareholders of SOLIGENIX, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
INTRACOASTAL CAPITAL, LLC
13D/G signal
INTRACOASTAL CAPITAL, LLC
Evidence rows
26
Latest as of
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 5% 13D/G row: INTRACOASTAL CAPITAL, LLC Showing 1-8 of 26 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
INTRACOASTAL CAPITAL, LLC
13D/G
Mitchell P. Kopin
5%
$1,241,014
446,408 shares
$0 25 Sep 2025
ARMISTICE CAPITAL, LLC
13D/G
5%
$693,948
529,731 shares
-$233,532 31 Dec 2025
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
1.1%
$141,915
120,267 shares
31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
0.55%
$68,912
58,400 shares
31 Mar 2026
VANGUARD FIDUCIARY TRUST CO
13F
Company
13F
0.51%
$63,619
53,914 shares
31 Mar 2026
XTX Topco Ltd
13F
Company
13F
0.2%
$24,543
20,799 shares
31 Mar 2026
MORGAN STANLEY
13F
Company
13F
0.03%
$4,239
3,592 shares
31 Mar 2026
UBS Group AG
13F
Company
13F
0.02%
$2,768
2,346 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 01 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-9 of 9 reporting-owner rows connected to SOLIGENIX, INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
9
Lead holder
Christopher J. Schaber
Net 12M change
$0
Latest report
11 Dec 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Christopher J. Schaber CHAIRMAN, CEO AND PRESIDENT, Director $43,120 Mixed 11 Dec 2025
Timothy R. Cote Director $11,223 Mixed 03 May 2023
Richard Straube CMO (Consulting) Mixed 11 Dec 2025
Robert J. Rubin Director Mixed 20 Jun 2025
Jerome B. Zeldis Director Mixed 20 Jun 2025
Oreola Donini Cso Mixed 11 Dec 2025
Diane L. Parks Director Mixed 20 Jun 2025
Jonathan L. Guarino Cfo Mixed 11 Dec 2025
Anthony Gregg Lapointe Director Mixed 20 Jun 2025

Recent insider transactions for SOLIGENIX, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Reported value Reported price Shares Shares owned Date Ownership
Richard Straube SNGX Option (Right to Buy) Award 10,000 10,000 11 Dec 2025 Direct
Oreola Donini SNGX Option (Right to Buy) Award 100,000 100,000 11 Dec 2025 Direct
Jonathan L. Guarino SNGX Option (Right to Buy) Award 100,000 100,000 11 Dec 2025 Direct
Christopher J. Schaber SNGX Option (Right to Buy) Award 200,000 200,000 11 Dec 2025 Direct
Christopher J. Schaber SNGX Common Stock Purchase 3992.6% 15,132 15,511 02 Oct 2025 Direct
Gregg A. Lapointe SNGX Stock Option (Right to Buy) Award 17,647 17,647 20 Jun 2025 Direct
Jerome B. Zeldis SNGX Stock Option (Right to Buy) Award 17,647 17,647 20 Jun 2025 Direct
Robert J. Rubin SNGX Stock Option (Right to Buy) Award 17,647 17,647 20 Jun 2025 Direct
Diane L. Parks SNGX Stock Option (Right to Buy) Award 17,647 17,647 20 Jun 2025 Direct
* indicates a reported price that failed the local validity check.
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