ProPhase Labs, Inc. SEC filings PRPH
ProPhase Labs, Inc. has 923 filings in SEC EDGAR's recent list, going back to Aug 13, 1996. Its latest annual report, Form 10-K, was filed on Jun 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 19, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 19, 2026 | — |
| 3 | Initial insider ownership | Nov 10, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 17, 2025 |
| 3 | Initial insider ownership | Feb 21, 2025 | Jan 27, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 14, 2025 |
| 4/A | Filing | Mar 21, 2024 | Mar 17, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Jan 1, 2024 |
| 3 | Initial insider ownership | Mar 19, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 17, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 17, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 17, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 17, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 19, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4/A | Filing | Jun 22, 2023 | Jun 16, 2023 |
| 4/A | Filing | Jun 22, 2023 | Jun 16, 2023 |
| 4/A | Filing | Jun 22, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 19, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 19, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 19, 2023 |
| 4 | Insider transaction | Apr 6, 2023 | Apr 4, 2023 |
| 4 | Insider transaction | Apr 5, 2023 | Apr 5, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 5, 2023 | — |
| 4 | Insider transaction | Apr 4, 2023 | Apr 3, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 4, 2023 | — |
| 4 | Insider transaction | Feb 2, 2023 | Feb 1, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 2, 2023 | — |
| 4 | Insider transaction | Jan 17, 2023 | Jan 13, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 17, 2023 | — |
| 3 | Initial insider ownership | Jan 13, 2023 | Jan 13, 2023 |
| SC 13G | Ownership over 5% (passive) | Nov 21, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 18, 2022 | — |
| 4 | Insider transaction | Oct 18, 2022 | Oct 16, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 11, 2022 | — |
| 4 | Insider transaction | Aug 10, 2022 | Aug 10, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jul 1, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | May 26, 2022 | — |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 3 | Initial insider ownership | May 23, 2022 | May 23, 2022 |
| 4/A | Filing | Apr 11, 2022 | Mar 10, 2022 |
| 4 | Insider transaction | Mar 16, 2022 | Mar 10, 2022 |
| 4 | Insider transaction | Jun 10, 2021 | Jun 9, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | Jun 9, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | Jun 9, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | May 10, 2021 | May 7, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | May 10, 2021 | — |
| 4 | Insider transaction | Sep 11, 2020 | Sep 10, 2020 |
| 4 | Insider transaction | Sep 11, 2020 | Sep 10, 2020 |
| 4 | Insider transaction | Sep 11, 2020 | Sep 10, 2020 |
| 4 | Insider transaction | Aug 18, 2020 | Aug 16, 2020 |
| 4 | Insider transaction | Aug 17, 2020 | Aug 13, 2020 |
| 4 | Insider transaction | Aug 17, 2020 | Aug 13, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 17, 2020 | — |
| 4 | Insider transaction | Jul 13, 2020 | Jul 9, 2020 |
| 4 | Insider transaction | Jul 2, 2020 | Jul 1, 2020 |
| 4 | Insider transaction | Jul 2, 2020 | Jul 1, 2020 |
| 4 | Insider transaction | Apr 2, 2020 | Apr 1, 2020 |
| 4 | Insider transaction | Apr 2, 2020 | Apr 1, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 30, 2020 | — |
| 4 | Insider transaction | Mar 27, 2020 | Mar 26, 2020 |
| 4 | Insider transaction | Mar 27, 2020 | Mar 26, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Jan 1, 2020 |
| 3 | Initial insider ownership | Dec 17, 2019 | May 22, 2019 |
| 4 | Insider transaction | Nov 22, 2019 | Nov 20, 2019 |
| 4 | Insider transaction | Oct 3, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Oct 3, 2019 | Oct 1, 2019 |
| 4 | Insider transaction | Aug 16, 2019 | Jul 1, 2019 |
| 4 | Insider transaction | Aug 16, 2019 | Aug 14, 2019 |
| 4 | Insider transaction | Apr 4, 2019 | Apr 3, 2019 |
| 4 | Insider transaction | Jan 15, 2019 | Jan 2, 2019 |
| 4 | Insider transaction | Dec 17, 2018 | Dec 4, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Oct 2, 2018 | Oct 1, 2018 |
| 4 | Insider transaction | Jul 23, 2018 | Jul 19, 2015 |
| 4 | Insider transaction | Jul 23, 2018 | Jul 19, 2018 |
| 4 | Insider transaction | May 17, 2018 | May 15, 2018 |
| 4 | Insider transaction | Feb 26, 2018 | Feb 23, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 26, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2018 | — |
| 3/A | Filing | Jan 23, 2018 | Oct 2, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 26, 2017 | — |
| 4 | Insider transaction | Dec 26, 2017 | Dec 21, 2017 |
| 4 | Insider transaction | Dec 18, 2017 | Dec 14, 2017 |
| 3 | Initial insider ownership | Oct 5, 2017 | Oct 2, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 3, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Oct 2, 2017 | — |
| 4 | Insider transaction | Oct 2, 2017 | Sep 29, 2017 |
| 4 | Insider transaction | Oct 2, 2017 | Sep 29, 2017 |
| 4 | Insider transaction | Oct 2, 2017 | Sep 29, 2017 |
| 4 | Insider transaction | Oct 2, 2017 | Sep 29, 2017 |
| 4 | Insider transaction | Sep 15, 2017 | Sep 14, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | May 3, 2017 | — |
| 4 | Insider transaction | Apr 28, 2017 | Apr 27, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 2, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 27, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 27, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 11, 2017 | — |
| 4/A | Filing | Dec 8, 2015 | Nov 27, 2015 |
| 4/A | Filing | Dec 8, 2015 | Nov 24, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 1, 2015 | — |
| 4 | Insider transaction | Nov 30, 2015 | Nov 27, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2015 | — |
| 4 | Insider transaction | Nov 25, 2015 | Nov 24, 2015 |
| SC 13D | Ownership over 5% (active) | Aug 27, 2015 | — |
| 4 | Insider transaction | Aug 19, 2015 | Aug 18, 2015 |
| 4 | Insider transaction | Aug 18, 2015 | Aug 17, 2015 |
| 3 | Initial insider ownership | Jun 18, 2015 | Jun 16, 2015 |
| 4 | Insider transaction | Jun 8, 2015 | Jun 5, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 8, 2015 | — |
| 4 | Insider transaction | Jun 5, 2015 | Jun 4, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | May 27, 2015 | — |
| 4 | Insider transaction | May 19, 2015 | May 18, 2015 |
| SC 13D | Ownership over 5% (active) | Mar 9, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2015 | — |
| 4 | Insider transaction | Jan 5, 2015 | Jan 2, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 2, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 2, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 2, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 2, 2015 |
| 4 | Insider transaction | Dec 23, 2014 | Dec 20, 2014 |
| 4 | Insider transaction | Dec 23, 2014 | Dec 20, 2014 |
| 4 | Insider transaction | Nov 7, 2014 | Nov 5, 2014 |
| 4 | Insider transaction | Oct 10, 2014 | Oct 8, 2014 |
| 4 | Insider transaction | Oct 6, 2014 | Oct 2, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 3, 2014 | — |
| 4 | Insider transaction | Sep 24, 2014 | Sep 22, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 19, 2014 | — |
| 4 | Insider transaction | Sep 18, 2014 | Sep 16, 2014 |
| 4 | Insider transaction | Sep 15, 2014 | Sep 11, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 11, 2014 | — |
| 3 | Initial insider ownership | Sep 11, 2014 | Sep 10, 2014 |
| 4 | Insider transaction | Jun 26, 2014 | Jun 23, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Dec 30, 2013 | — |
| 4 | Insider transaction | Dec 20, 2013 | Dec 19, 2013 |
| 4 | Insider transaction | Dec 20, 2013 | Dec 19, 2013 |
| 4 | Insider transaction | Jul 15, 2013 | Jul 15, 2013 |
| 4 | Insider transaction | Jul 15, 2013 | Jul 15, 2013 |
| 4 | Insider transaction | Jul 15, 2013 | Jul 15, 2013 |
| 4 | Insider transaction | Jul 15, 2013 | Jul 15, 2013 |
| 4 | Insider transaction | Jul 15, 2013 | Jul 15, 2013 |
| 4 | Insider transaction | May 28, 2013 | May 23, 2013 |
| 4 | Insider transaction | May 10, 2013 | May 8, 2013 |
| 4 | Insider transaction | Nov 30, 2012 | Nov 30, 2012 |
| 4 | Insider transaction | Nov 30, 2012 | Nov 28, 2012 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 9, 2012 | — |
| SC 13D | Ownership over 5% (active) | Sep 14, 2012 | — |
| 4 | Insider transaction | Sep 6, 2012 | Sep 4, 2012 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 6, 2012 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 18, 2012 | — |
| 4 | Insider transaction | May 17, 2012 | May 15, 2012 |
| 4 | Insider transaction | Jan 11, 2012 | Jan 11, 2012 |
| 4 | Insider transaction | Dec 16, 2011 | Dec 14, 2011 |
| 4 | Insider transaction | Dec 16, 2011 | Dec 14, 2011 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 16, 2011 | — |
| 4 | Insider transaction | Nov 18, 2011 | Nov 16, 2011 |
| 4 | Insider transaction | Nov 15, 2011 | Nov 14, 2011 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2011 | — |
| 4 | Insider transaction | Nov 15, 2011 | Nov 14, 2011 |
| 4 | Insider transaction | Oct 12, 2011 | Oct 12, 2011 |
| 4 | Insider transaction | Oct 11, 2011 | Oct 7, 2011 |
| 4 | Insider transaction | Oct 7, 2011 | Oct 7, 2011 |
| 4 | Insider transaction | Oct 7, 2011 | Oct 7, 2011 |
| 4 | Insider transaction | Oct 7, 2011 | Oct 7, 2011 |
| 4 | Insider transaction | Oct 7, 2011 | Oct 7, 2011 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 27, 2011 | — |
| 4 | Insider transaction | Aug 25, 2011 | Aug 23, 2011 |
| 4 | Insider transaction | Jul 14, 2011 | Jul 12, 2011 |
| 4 | Insider transaction | Jul 14, 2011 | Jul 12, 2011 |
| 4 | Insider transaction | Jul 14, 2011 | Jul 12, 2011 |
| 4 | Insider transaction | Jul 14, 2011 | Jul 12, 2011 |
| 4 | Insider transaction | Jul 14, 2011 | Jul 12, 2011 |
| 4 | Insider transaction | Jul 14, 2011 | Jul 12, 2011 |
| SC 13D | Ownership over 5% (active) | Apr 27, 2011 | — |
| 4 | Insider transaction | Apr 25, 2011 | Apr 21, 2011 |
| 4 | Insider transaction | Apr 21, 2011 | Apr 21, 2011 |
| 4 | Insider transaction | Apr 15, 2011 | Apr 13, 2011 |
| 4 | Insider transaction | Apr 15, 2011 | Apr 13, 2011 |
| 4 | Insider transaction | Apr 13, 2011 | Apr 13, 2011 |
| 4 | Insider transaction | Apr 13, 2011 | Apr 13, 2011 |
| 4 | Insider transaction | Apr 13, 2011 | Apr 13, 2011 |
| 4 | Insider transaction | Feb 2, 2011 | Jan 31, 2011 |
| 4 | Insider transaction | Feb 2, 2011 | Jan 31, 2011 |
| 4 | Insider transaction | Jan 31, 2011 | Jan 31, 2011 |
| 4 | Insider transaction | Jan 31, 2011 | Jan 31, 2011 |
| 4 | Insider transaction | Jan 31, 2011 | Jan 31, 2011 |
| 4 | Insider transaction | Jan 31, 2011 | Jan 28, 2011 |
| 4/A | Filing | Jan 28, 2011 | Oct 1, 2010 |
| SC 13D | Ownership over 5% (active) | Jan 28, 2011 | — |
| 4 | Insider transaction | Dec 30, 2010 | Oct 1, 2010 |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 30, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Dec 15, 2010 | — |
| 4 | Insider transaction | Dec 15, 2010 | Dec 15, 2010 |
Showing 200 filings, the most recent 200. 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
- PRPH (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 868278
- Former names
- QUIGLEY CORP (until May 18, 2010)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.