Company · CIK 894158

# Theriva Biologics, Inc.

| CIK | [894158](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000894158) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | NV |
| Business address | MD |
| Listed | TOVX (NYSE) |
| First annual or quarterly report | 1997-05-14 |

## Offerings

 21 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-291381 | Shelf Effective | 2025-11-07 | 2025-12-03 | 3 |
| 333-279077 | Shelf Effective | 2024-05-02 | 2025-10-29 | 6 |
| 333-282024 | Registered company Effective | 2024-09-10 | 2025-10-16 | 6 |
| 333-283722 | Registered company Effective | 2024-12-10 | 2025-10-16 | 7 |
| 333-267294 | Shelf Effective | 2022-09-06 | 2022-12-08 | 3 |
| 333-255726 | Shelf Effective | 2021-05-03 | 2022-12-05 | 3 |
| 333-260449 | Shelf Effective | 2021-10-22 | 2021-11-02 | 2 |
| 333-224728 | Shelf Effective | 2018-05-07 | 2021-02-19 | 8 |
| 333-227400 | Registered company Final prospectus | 2018-09-18 | 2018-10-12 | 6 |
| 333-226500 | Shelf Effective | 2018-08-01 | 2018-08-22 | 2 |
| 333-206266 | Shelf Effective | 2015-08-10 | 2016-11-15 | 5 |
| 333-207327 | Shelf Effective | 2015-10-07 | 2015-10-15 | 2 |
| 333-206267 | Shelf Effective | 2015-08-10 | 2015-08-18 | 2 |
| 333-203322 | Shelf Effective | 2015-04-10 | 2015-07-17 | 4 |
| 333-203323 | Shelf Effective | 2015-04-10 | 2015-04-21 | 3 |
| 333-189794 | Shelf Effective | 2013-07-03 | 2014-10-10 | 4 |
| 333-188219 | Shelf Effective | 2013-04-29 | 2013-05-06 | 2 |
| 333-185457 | Registered company Effective | 2012-12-13 | 2012-12-20 | 2 |
| 333-180562 | Shelf Effective | 2012-04-04 | 2012-07-23 | 3 |
| 333-166750 | Shelf Effective | 2010-05-12 | 2011-04-11 | 5 |
| 333-156973 | Shelf Effective | 2009-01-27 | 2009-02-06 | 2 |

## Filings

 81

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2025-12-03 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925118116/0001104659-25-118116-index.htm) Shelf takedown | 333-291381 | 0001104659-25-118116 |
| 2025-12-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999525003480/9999999995-25-003480-index.htm) Declared effective | 333-291381 | 9999999995-25-003480 |
| 2025-11-07 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000110465925108521/0001104659-25-108521-index.htm) Shelf registered | 333-291381 | 0001104659-25-108521 |
| 2025-10-29 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925103770/0001104659-25-103770-index.htm) Shelf takedown | 333-279077 | 0001104659-25-103770 |
| 2025-10-24 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925102103/0001104659-25-102103-index.htm) Shelf takedown | 333-279077 | 0001104659-25-102103 |
| 2025-10-16 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925100133/0001104659-25-100133-index.htm) Shelf takedown | 333-282024 | 0001104659-25-100133 |
| 2025-10-16 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925100132/0001104659-25-100132-index.htm) Shelf takedown | 333-283722 | 0001104659-25-100132 |
| 2025-10-16 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925099916/0001104659-25-099916-index.htm) Shelf takedown | 333-282024 | 0001104659-25-099916 |
| 2025-10-16 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925099913/0001104659-25-099913-index.htm) Shelf takedown | 333-283722 | 0001104659-25-099913 |
| 2025-06-20 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925061182/0001104659-25-061182-index.htm) Shelf takedown | 333-279077 | 0001104659-25-061182 |
| 2025-05-08 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465925045934/0001104659-25-045934-index.htm) Shelf takedown | 333-283722 | 0001104659-25-045934 |
| 2025-05-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999525001443/9999999995-25-001443-index.htm) Declared effective | 333-283722 | 9999999995-25-001443 |
| 2025-03-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/894158/000110465925026682/0001104659-25-026682-index.htm) Amendment | 333-283722 | 0001104659-25-026682 |
| 2025-01-21 | [S-1/A](https://www.sec.gov/Archives/edgar/data/894158/000110465925004895/0001104659-25-004895-index.htm) Amendment | 333-283722 | 0001104659-25-004895 |
| 2024-12-10 | [S-1](https://www.sec.gov/Archives/edgar/data/894158/000110465924127275/0001104659-24-127275-index.htm) Registration filed | 333-283722 | 0001104659-24-127275 |
| 2024-09-27 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465924103658/0001104659-24-103658-index.htm) Shelf takedown | 333-282024 | 0001104659-24-103658 |
| 2024-09-26 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465924103142/0001104659-24-103142-index.htm) Shelf takedown | 333-279077 | 0001104659-24-103142 |
| 2024-09-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999524002966/9999999995-24-002966-index.htm) Declared effective | 333-282024 | 9999999995-24-002966 |
| 2024-09-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999524002960/9999999995-24-002960-index.htm) Declared effective | 333-279077 | 9999999995-24-002960 |
| 2024-09-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/894158/000110465924101897/0001104659-24-101897-index.htm) Amendment | 333-282024 | 0001104659-24-101897 |
| 2024-09-10 | [S-1](https://www.sec.gov/Archives/edgar/data/894158/000110465924098640/0001104659-24-098640-index.htm) Registration filed | 333-282024 | 0001104659-24-098640 |
| 2024-05-02 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000110465924056462/0001104659-24-056462-index.htm) Shelf registered | 333-279077 | 0001104659-24-056462 |
| 2022-12-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999522003489/9999999995-22-003489-index.htm) Declared effective | 333-267294 | 9999999995-22-003489 |
| 2022-12-05 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465922124559/0001104659-22-124559-index.htm) Shelf takedown | 333-255726 | 0001104659-22-124559 |
| 2022-09-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999522002712/9999999995-22-002712-index.htm) Declared effective | 333-267294 | 9999999995-22-002712 |
| 2022-09-06 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000110465922097881/0001104659-22-097881-index.htm) Shelf registered | 333-267294 | 0001104659-22-097881 |
| 2021-11-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999521004157/9999999995-21-004157-index.htm) Declared effective | 333-260449 | 9999999995-21-004157 |
| 2021-10-22 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000110465921129039/0001104659-21-129039-index.htm) Shelf registered | 333-260449 | 0001104659-21-129039 |
| 2021-05-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999521001888/9999999995-21-001888-index.htm) Declared effective | 333-255726 | 9999999995-21-001888 |
| 2021-05-03 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000110465921060282/0001104659-21-060282-index.htm) Shelf registered | 333-255726 | 0001104659-21-060282 |
| 2021-02-19 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465921025447/0001104659-21-025447-index.htm) Shelf takedown | 333-224728 | 0001104659-21-025447 |
| 2021-02-10 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465921016964/0001104659-21-016964-index.htm) Shelf takedown | 333-224728 | 0001104659-21-016964 |
| 2021-02-04 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465921011863/0001104659-21-011863-index.htm) Shelf takedown | 333-224728 | 0001104659-21-011863 |
| 2021-01-19 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465921004892/0001104659-21-004892-index.htm) Shelf takedown | 333-224728 | 0001104659-21-004892 |
| 2021-01-06 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465921001620/0001104659-21-001620-index.htm) Shelf takedown | 333-224728 | 0001104659-21-001620 |
| 2020-11-17 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000110465920126429/0001104659-20-126429-index.htm) Shelf takedown | 333-224728 | 0001104659-20-126429 |
| 2018-10-12 | [424B4](https://www.sec.gov/Archives/edgar/data/894158/000114420418053648/0001144204-18-053648-index.htm) Final prospectus | 333-227400 | 0001144204-18-053648 |
| 2018-10-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999518002587/9999999995-18-002587-index.htm) Declared effective | 333-227400 | 9999999995-18-002587 |
| 2018-10-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/894158/000114420418053211/0001144204-18-053211-index.htm) Amendment | 333-227400 | 0001144204-18-053211 |
| 2018-10-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/894158/000114420418053149/0001144204-18-053149-index.htm) Amendment | 333-227400 | 0001144204-18-053149 |
| 2018-10-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/894158/000114420418052016/0001144204-18-052016-index.htm) Amendment | 333-227400 | 0001144204-18-052016 |
| 2018-09-18 | [S-1](https://www.sec.gov/Archives/edgar/data/894158/000114420418049861/0001144204-18-049861-index.htm) Registration filed | 333-227400 | 0001144204-18-049861 |
| 2018-08-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999518002172/9999999995-18-002172-index.htm) Declared effective | 333-226500 | 9999999995-18-002172 |
| 2018-08-01 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420418041398/0001144204-18-041398-index.htm) Shelf registered | 333-226500 | 0001144204-18-041398 |
| 2018-05-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999518001264/9999999995-18-001264-index.htm) Declared effective | 333-224728 | 9999999995-18-001264 |
| 2018-05-07 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420418025776/0001144204-18-025776-index.htm) Shelf registered | 333-224728 | 0001144204-18-025776 |
| 2016-11-15 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420416134771/0001144204-16-134771-index.htm) Shelf takedown | 333-206266 | 0001144204-16-134771 |
| 2016-11-15 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420416134447/0001144204-16-134447-index.htm) Shelf takedown | 333-206266 | 0001144204-16-134447 |
| 2016-08-05 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420416116730/0001144204-16-116730-index.htm) Shelf takedown | 333-206266 | 0001144204-16-116730 |
| 2015-10-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999515002770/9999999995-15-002770-index.htm) Declared effective | 333-207327 | 9999999995-15-002770 |
| 2015-10-07 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420415058446/0001144204-15-058446-index.htm) Shelf registered | 333-207327 | 0001144204-15-058446 |
| 2015-08-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999515002321/9999999995-15-002321-index.htm) Declared effective | 333-206267 | 9999999995-15-002321 |
| 2015-08-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999515002320/9999999995-15-002320-index.htm) Declared effective | 333-206266 | 9999999995-15-002320 |
| 2015-08-10 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420415047650/0001144204-15-047650-index.htm) Shelf registered | 333-206267 | 0001144204-15-047650 |
| 2015-08-10 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420415047646/0001144204-15-047646-index.htm) Shelf registered | 333-206266 | 0001144204-15-047646 |
| 2015-07-17 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420415042908/0001144204-15-042908-index.htm) Shelf takedown | 333-203322 | 0001144204-15-042908 |
| 2015-07-15 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420415042679/0001144204-15-042679-index.htm) Shelf takedown | 333-203322 | 0001144204-15-042679 |
| 2015-04-21 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420415024053/0001144204-15-024053-index.htm) Shelf takedown | 333-203323 | 0001144204-15-024053 |
| 2015-04-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999515000931/9999999995-15-000931-index.htm) Declared effective | 333-203323 | 9999999995-15-000931 |
| 2015-04-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999515000930/9999999995-15-000930-index.htm) Declared effective | 333-203322 | 9999999995-15-000930 |
| 2015-04-10 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420415022219/0001144204-15-022219-index.htm) Shelf registered | 333-203323 | 0001144204-15-022219 |
| 2015-04-10 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420415022217/0001144204-15-022217-index.htm) Shelf registered | 333-203322 | 0001144204-15-022217 |
| 2014-10-10 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420414060625/0001144204-14-060625-index.htm) Shelf takedown | 333-189794 | 0001144204-14-060625 |
| 2013-12-11 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420413066725/0001144204-13-066725-index.htm) Shelf takedown | 333-189794 | 0001144204-13-066725 |
| 2013-07-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999513002097/9999999995-13-002097-index.htm) Declared effective | 333-189794 | 9999999995-13-002097 |
| 2013-07-03 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420413038075/0001144204-13-038075-index.htm) Shelf registered | 333-189794 | 0001144204-13-038075 |
| 2013-05-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999513001415/9999999995-13-001415-index.htm) Declared effective | 333-188219 | 9999999995-13-001415 |
| 2013-04-29 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420413024694/0001144204-13-024694-index.htm) Shelf registered | 333-188219 | 0001144204-13-024694 |
| 2012-12-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999512003607/9999999995-12-003607-index.htm) Declared effective | 333-185457 | 9999999995-12-003607 |
| 2012-12-13 | [S-1](https://www.sec.gov/Archives/edgar/data/894158/000114420412067799/0001144204-12-067799-index.htm) Registration filed | 333-185457 | 0001144204-12-067799 |
| 2012-07-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999512002234/9999999995-12-002234-index.htm) Declared effective | 333-180562 | 9999999995-12-002234 |
| 2012-04-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999512001046/9999999995-12-001046-index.htm) Declared effective | 333-180562 | 9999999995-12-001046 |
| 2012-04-04 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000114420412020134/0001144204-12-020134-index.htm) Shelf registered | 333-180562 | 0001144204-12-020134 |
| 2011-04-11 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420411021262/0001144204-11-021262-index.htm) Shelf takedown | 333-166750 | 0001144204-11-021262 |
| 2011-02-02 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000114420411005396/0001144204-11-005396-index.htm) Shelf takedown | 333-166750 | 0001144204-11-005396 |
| 2010-07-02 | [424B5](https://www.sec.gov/Archives/edgar/data/894158/000089016310000181/0000890163-10-000181-index.htm) Shelf takedown | 333-166750 | 0000890163-10-000181 |
| 2010-06-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999510001800/9999999995-10-001800-index.htm) Declared effective | 333-166750 | 9999999995-10-001800 |
| 2010-05-12 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000089016310000139/0000890163-10-000139-index.htm) Shelf registered | 333-166750 | 0000890163-10-000139 |
| 2009-02-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999509000323/9999999995-09-000323-index.htm) Declared effective | 333-156973 | 9999999995-09-000323 |
| 2009-01-27 | [S-3](https://www.sec.gov/Archives/edgar/data/894158/000113207209000031/0001132072-09-000031-index.htm) Shelf registered | 333-156973 | 0001132072-09-000031 |
| 2007-02-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/894158/999999999507000629/9999999995-07-000629-index.htm) Declared effective | 333-139354 | 9999999995-07-000629 |

[All filings of this company](https://equitycapital.markets/filings?cik=894158) · [CSV](https://equitycapital.markets/filings.csv?cik=894158)

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Source page: https://equitycapital.markets/company/894158 · Data: U.S. SEC EDGAR · CC BY 4.0