Comparable stake leader
INTRACOASTAL CAPITAL, LLC
SEC ownership of SOLIGENIX, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000812796.
Disclosed value leader
INTRACOASTAL CAPITAL, LLC
Comparable rows
17/26
Latest evidence
31 Mar 2026
- Public ticker
- SNGX on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
INTRACOASTAL CAPITAL, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
17 of 26
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
INTRACOASTAL CAPITAL, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000812796
- Issuer location
- Princeton, NJ
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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.
Comparable stake leader
INTRACOASTAL CAPITAL, LLC
Disclosed value leader
INTRACOASTAL CAPITAL, LLC
Comparable rows
17/26
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 5%
9 rows are not safely comparable across share classes.
13D/G row: INTRACOASTAL CAPITAL, LLC
Showing 1-8 of 26 holder rows.
Quick read
INTRACOASTAL CAPITAL, LLC leads the comparable SEC ownership view at 5%.
17 of 26 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens INTRACOASTAL CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 5
INTRACOASTAL CAPITAL, LLC
5%
ARMISTICE CAPITAL, LLC
5%
GEODE CAPITAL MANAGEMENT, LLC
1.1%
VANGUARD CAPITAL MANAGEMENT LLC
0.55%
VANGUARD FIDUCIARY TRUST CO
0.51%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table 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
|
1.1%
|
$141,915
120,267 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
0.55%
|
$68,912
58,400 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.51%
|
$63,619
53,914 shares
|
— | 31 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
0.2%
|
$24,543
20,799 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
0.03%
|
$4,239
3,592 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
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 22 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
Largest Forms 3/4/5 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 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-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 |
* marks a reported price that did not pass the local price check.