Actinium Pharmaceuticals, Inc. SEC filings ATNM
Actinium Pharmaceuticals, Inc. has 511 filings in SEC EDGAR's recent list, going back to Feb 5, 2007. Its latest annual report, Form ARS, was filed on Oct 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 15, 2026 (officer or director change, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 16, 2026 | Oct 14, 2026 |
| 3 | Initial insider ownership | Oct 16, 2026 | Oct 14, 2026 |
| 3 | Initial insider ownership | Sep 10, 2026 | Sep 3, 2026 |
| 3 | Initial insider ownership | Sep 10, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 16, 2025 | — |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 4 | Insider transaction | Nov 5, 2024 | Nov 1, 2024 |
| 3 | Initial insider ownership | Nov 5, 2024 | Nov 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Dec 29, 2023 | Dec 28, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 28, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 28, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 28, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 28, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 28, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2023 | — |
| 4 | Insider transaction | Aug 19, 2022 | Aug 17, 2022 |
| 4 | Insider transaction | Jul 1, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 1, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 1, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 1, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 1, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 1, 2022 | Jul 1, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 5, 2021 | — |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| 4 | Insider transaction | Aug 14, 2020 | Aug 12, 2020 |
| SC 13G | Ownership over 5% (passive) | Aug 12, 2020 | — |
| SC 13G | Ownership over 5% (passive) | May 1, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 27, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Oct 31, 2019 | — |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 12, 2019 |
| SC 13G | Ownership over 5% (passive) | Apr 18, 2019 | — |
| 4 | Insider transaction | Mar 7, 2019 | Mar 5, 2019 |
| 4 | Insider transaction | Feb 21, 2019 | Feb 21, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| 4 | Insider transaction | Dec 10, 2018 | Dec 10, 2018 |
| 4 | Insider transaction | Dec 10, 2018 | Dec 10, 2018 |
| 4 | Insider transaction | Nov 20, 2018 | Nov 19, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 13, 2018 |
| 4 | Insider transaction | Jun 15, 2018 | Jun 15, 2018 |
| 3 | Initial insider ownership | May 1, 2018 | Apr 27, 2018 |
| 4 | Insider transaction | Apr 20, 2018 | Apr 19, 2018 |
| 4 | Insider transaction | Mar 19, 2018 | Mar 6, 2018 |
| SC 13G | Ownership over 5% (passive) | Mar 13, 2018 | — |
| 4 | Insider transaction | Mar 8, 2018 | Mar 6, 2018 |
| 4 | Insider transaction | Mar 8, 2018 | Mar 6, 2018 |
| 4 | Insider transaction | Mar 8, 2018 | Mar 6, 2018 |
| 4 | Insider transaction | Mar 8, 2018 | Mar 6, 2018 |
| 4 | Insider transaction | Mar 1, 2018 | Feb 28, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| 3 | Initial insider ownership | Feb 8, 2018 | Feb 6, 2018 |
| 3 | Initial insider ownership | Jan 9, 2018 | Jan 8, 2018 |
| SC 13G | Ownership over 5% (passive) | Aug 4, 2017 | — |
| 4 | Insider transaction | Aug 4, 2017 | Aug 2, 2017 |
| 4 | Insider transaction | Aug 4, 2017 | Aug 2, 2017 |
| 3 | Initial insider ownership | Jun 19, 2017 | Jun 15, 2017 |
| 4 | Insider transaction | Jun 15, 2017 | Jun 15, 2017 |
| 4 | Insider transaction | Jun 15, 2017 | Jun 15, 2017 |
| 4 | Insider transaction | Jun 15, 2017 | Jun 15, 2017 |
| 3 | Initial insider ownership | May 17, 2017 | May 15, 2017 |
| 3 | Initial insider ownership | Mar 28, 2017 | Mar 28, 2017 |
| 4 | Insider transaction | Mar 16, 2017 | Mar 14, 2017 |
| 4 | Insider transaction | Mar 16, 2017 | Mar 14, 2017 |
| 4 | Insider transaction | Mar 16, 2017 | Mar 14, 2017 |
| 4 | Insider transaction | Mar 16, 2017 | Mar 14, 2017 |
| 4 | Insider transaction | Mar 16, 2017 | Mar 14, 2017 |
| 4 | Insider transaction | Mar 16, 2017 | Mar 14, 2017 |
| 3 | Initial insider ownership | Mar 16, 2017 | Mar 16, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2017 | — |
| 4 | Insider transaction | Jan 3, 2017 | Dec 30, 2016 |
| 4 | Insider transaction | Dec 12, 2016 | Dec 12, 2016 |
| SC 13G | Ownership over 5% (passive) | Sep 15, 2016 | — |
| 4 | Insider transaction | Sep 1, 2016 | Aug 30, 2016 |
| 4 | Insider transaction | Aug 30, 2016 | Aug 26, 2016 |
| 4 | Insider transaction | Aug 17, 2016 | Aug 15, 2016 |
| 4 | Insider transaction | Jul 14, 2016 | Jul 12, 2016 |
| 4 | Insider transaction | Jul 12, 2016 | Jul 8, 2016 |
| 4 | Insider transaction | Jul 7, 2016 | Jul 5, 2016 |
| 4 | Insider transaction | Jul 5, 2016 | Jun 30, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 5, 2016 | — |
| 4 | Insider transaction | Jun 17, 2016 | Jun 15, 2016 |
| 4 | Insider transaction | Jun 6, 2016 | Jun 2, 2016 |
| 4 | Insider transaction | Jun 2, 2016 | May 31, 2016 |
| 4 | Insider transaction | May 31, 2016 | May 26, 2016 |
| 4 | Insider transaction | May 26, 2016 | May 25, 2016 |
| 4 | Insider transaction | Apr 26, 2016 | Apr 22, 2016 |
| 4 | Insider transaction | Apr 21, 2016 | Apr 19, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 21, 2016 | — |
| 4 | Insider transaction | Apr 18, 2016 | Apr 14, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 14, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 14, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 15, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 14, 2016 |
| 4 | Insider transaction | Apr 18, 2016 | Apr 16, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 23, 2015 | — |
| 4 | Insider transaction | May 22, 2015 | May 7, 2015 |
| 4 | Insider transaction | May 22, 2015 | May 7, 2015 |
| 4 | Insider transaction | May 8, 2015 | May 6, 2015 |
| 3 | Initial insider ownership | Mar 17, 2015 | Dec 28, 2012 |
| 4 | Insider transaction | Mar 16, 2015 | Feb 21, 2014 |
| 4 | Insider transaction | Mar 16, 2015 | Feb 18, 2015 |
| 4 | Insider transaction | Mar 16, 2015 | Feb 18, 2015 |
| 4 | Insider transaction | Mar 16, 2015 | Feb 18, 2015 |
| 4 | Insider transaction | Mar 16, 2015 | Feb 18, 2015 |
| 4 | Insider transaction | Sep 25, 2014 | Sep 23, 2014 |
| 4 | Insider transaction | Dec 24, 2013 | Aug 8, 2013 |
| 4 | Insider transaction | Dec 24, 2013 | Aug 8, 2013 |
| 4 | Insider transaction | Dec 24, 2013 | Dec 16, 2013 |
| 4 | Insider transaction | Dec 24, 2013 | Dec 16, 2013 |
| 3 | Initial insider ownership | Nov 13, 2013 | Nov 8, 2013 |
| 3 | Initial insider ownership | Sep 18, 2013 | Sep 16, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 23, 2013 | — |
| 3/A | Ownership document | Aug 23, 2013 | Aug 22, 2013 |
| 3/A | Ownership document | Aug 22, 2013 | Dec 28, 2012 |
| 4 | Insider transaction | Aug 22, 2013 | Aug 20, 2013 |
| 4 | Insider transaction | May 22, 2013 | May 15, 2013 |
| 3 | Initial insider ownership | Jan 18, 2013 | Dec 28, 2012 |
| SC 13D | Ownership over 5% (active) | Jan 18, 2013 | — |
| 3 | Initial insider ownership | Jan 7, 2013 | Dec 28, 2012 |
| 3 | Initial insider ownership | Jan 3, 2013 | Dec 28, 2012 |
| 3 | Initial insider ownership | Jan 3, 2013 | Dec 28, 2012 |
| 3 | Initial insider ownership | Jan 3, 2013 | Dec 28, 2012 |
| 3 | Initial insider ownership | Jan 2, 2013 | Dec 28, 2012 |
| 3 | Initial insider ownership | Jan 2, 2013 | Dec 28, 2012 |
| SC 13D | Ownership over 5% (active) | Jun 25, 2007 | — |
| SC 13D | Ownership over 5% (active) | Feb 7, 2007 | — |
| 3 | Initial insider ownership | Feb 7, 2007 | Feb 7, 2007 |
Showing 179 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ATNM (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1388320
- Former names
- Cactus Ventures, Inc. (until Mar 29, 2013)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.