Comparable stake leader
MJL Manager 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
3/22
Latest evidence
12 Oct 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
-
MJL Manager LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
3 of 22
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
MJL Manager LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
12 Oct 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
MJL Manager LLC
Disclosed value leader
INTRACOASTAL CAPITAL, LLC
Comparable rows
3/22
Latest evidence
12 Oct 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.7%
19 rows are not safely comparable across share classes.
13D/G row: MJL Manager LLC
Showing 1-8 of 22 holder rows.
Quick read
MJL Manager LLC leads the comparable SEC ownership view at 5.7%.
3 of 22 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 MJL Manager LLC's linked filing trail.
Comparable ownership
Top 3
MJL Manager LLC
5.7%
INTRACOASTAL CAPITAL, LLC
5%
ARMISTICE CAPITAL, LLC
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 22 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MJL Manager LLC |
13D/G
Michael Liu
|
5.7%
Reported 13D/G
· 22 Jun 2026
|
$954,080
983,588 shares
|
$0 | 22 Jun 2026 |
| INTRACOASTAL CAPITAL, LLC |
13D/G
Mitchell P. Kopin
|
5%
Reported 13D/G
· 25 Sep 2025
|
$1,241,014
446,408 shares
|
$0 | 25 Sep 2025 |
| ARMISTICE CAPITAL, LLC |
13D/G
|
5%
Reported 13D/G
· 31 Dec 2025
|
$693,948
529,731 shares
|
-$233,532 | 31 Dec 2025 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$82,965
209,507 shares
|
— | 30 Jun 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
—
denominator unverified
|
$82,166
207,492 shares
|
— | 30 Jun 2026 |
| XTX Topco Ltd |
13F
Company
|
—
denominator unverified
|
$62,219
157,119 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$47,624
120,267 shares
|
— | 30 Jun 2026 |
| Christopher J. Schaber |
3/4/5
CHAIRMAN, CEO AND PRESIDENT, Director
|
—
mixed-class rows
|
$43,120
215,511 shares
mixed-class rows
|
— | 12 Oct 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
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 28 Oct 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
12 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Christopher J. Schaber | CHAIRMAN, CEO AND PRESIDENT, Director | $43,120 | Mixed | 12 Oct 2026 | ||
| Timothy R. Cote | Director | $11,223 | Mixed | 03 May 2023 | ||
| Richard Straube | CMO (Consulting) | Mixed | 11 Dec 2025 | |||
| Robert J. Rubin | Director | Mixed | 12 Oct 2026 | |||
| Jerome B. Zeldis | Director | Mixed | 12 Oct 2026 | |||
| Oreola Donini | Cso | Mixed | 12 Oct 2026 | |||
| Diane L. Parks | Director | Mixed | 12 Oct 2026 | |||
| Jonathan L. Guarino | Cfo | Mixed | 12 Oct 2026 | |||
| Gregg A. Lapointe | Director | Mixed | 12 Oct 2026 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Jerome B. Zeldis | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -632 | 0 | 12 Oct 2026 | Direct | ||
| Robert J. Rubin | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -632 | 0 | 12 Oct 2026 | Direct | ||
| Diane L. Parks | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -566 | 0 | 12 Oct 2026 | Direct | ||
| Gregg A. Lapointe | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -632 | 0 | 12 Oct 2026 | Direct | ||
| Oreola Donini | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -1,268 | 0 | 12 Oct 2026 | Direct | ||
| Jonathan L. Guarino | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -914 | 0 | 12 Oct 2026 | Direct | ||
| Christopher J. Schaber | SNGX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -1,332 | 0 | 12 Oct 2026 | Direct | ||
| Jerome B. Zeldis | SNGX | Stock Option (Right to Buy) | Award | 78,947 | 78,947 | 17 Sep 2026 | Direct | |||
| Robert J. Rubin | SNGX | Stock Option (Right to Buy) | Award | 78,947 | 78,947 | 17 Sep 2026 | Direct | |||
| Diane L. Parks | SNGX | Stock Option (Right to Buy) | Award | 78,947 | 78,947 | 17 Sep 2026 | Direct | |||
| Gregg A. Lapointe | SNGX | Stock Option (Right to Buy) | Award | 78,947 | 78,947 | 17 Sep 2026 | Direct | |||
| 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 |
* marks a reported price that did not pass the local price check.