Theriva Biologics, Inc.
TOVX- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000894158
No open-market purchases or sales by Theriva Biologics, Inc. insiders were filed in the last 90 days; 26 institutions reported holding it in 13F filings for Q2 2026, worth $495.5K in total; no superinvestor holds it.
Holders of 5% or more of TOVX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Theriva Biologics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Jeffrey Matthew Gryga Irrevocable Trust | 13G | 7.70%739.2K shares | New | Nov 10, 20251 filing | Nov 10, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
14 Schedule 13D and 13G filings on Theriva Biologics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 10, 20256:03 PM ET | Jeffrey Matthew Gryga Irrevocable Trustand 1 other | 13G | 7.70%739.2K shares | New | Oct 24, 2025 | SEC |
| Oct 21, 20259:04 AM ET | Empery Asset Management, LPand 2 others | 13G/A | 4.99%504.1K shares | −5.00 ppfrom 9.99%Below 5% | Sep 30, 2025 | SEC |
| Jul 31, 20254:37 PM ET | Empery Asset Management, LPand 2 others | 13G | 9.99%953.2K shares | New | Jun 30, 2025 | SEC |
| Feb 7, 20254:10 PM ET | CVI Investments, Inc.and 1 other | 13G/A | 4.90%146.1K shares | –Below 5% | Dec 31, 2024 | SEC |
| Oct 3, 2024 | Intracoastal Capital, LLC | 13GOld format | – | New | – | SEC |
| Oct 2, 2024 | CVI Investments, Inc. | 13GOld format | – | New | – | SEC |
| Feb 23, 2022 | Iroquois Capital Management, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Hudson Bay Capital Management LP | 13G/AOld format | – | – | – | SEC |
| Mar 2, 2021 | Custodian Ventures LLC. | 13D/AOld format | – | – | – | SEC |
| Feb 22, 2021 | Iroquois Capital Management, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Hudson Bay Capital Management LP | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Renaissance Technologies LLC | 13GOld format | – | New | – | SEC |
| Jan 6, 2021 | Custodian Ventures LLC. | 13DOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Theriva Biologics, Inc. shares.
No Form 144 notices for Theriva Biologics, Inc. are on file.