Phio Pharmaceuticals Corp. SEC filings PHIO
Phio Pharmaceuticals Corp. has 892 filings in SEC EDGAR's recent list, going back to Oct 25, 2011. Its latest annual report, Form ARS, was filed on Aug 14, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 13, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Oct 13, 2026 | Oct 13, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Sep 28, 2026 | Sep 28, 2026 |
| 8-K |
Current report
Other events
|
Sep 14, 2026 | Sep 14, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Jul 21, 2026 | Jul 21, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 8, 2026 | Apr 8, 2026 |
| 8-K |
Current report
Other events
|
Mar 30, 2026 | Mar 30, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 18, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Other events
|
Feb 10, 2026 | Feb 10, 2026 |
| 8-K |
Current report
Other events
|
Jan 20, 2026 | Jan 20, 2026 |
| 8-K |
Current report
Other events
|
Dec 23, 2025 | Dec 23, 2025 |
| 8-K |
Current report
Other events
|
Nov 25, 2025 | Nov 25, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Nov 6, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Other events
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 31, 2025 | Oct 31, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Sep 15, 2025 | Sep 11, 2025 |
| 8-K |
Current report
Other events
|
Sep 3, 2025 | Sep 3, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2025 | Aug 14, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jul 30, 2025 | Jul 25, 2025 |
| 8-K |
Current report
Other events
|
Jul 25, 2025 | Jul 25, 2025 |
| 8-K |
Current report
Other events
|
Jul 7, 2025 | Jul 7, 2025 |
| 8-K |
Current report
Other events
|
Jun 26, 2025 | Jun 25, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 12, 2025 | Jun 6, 2025 |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| 8-K |
Current report
Other events
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Auditor change
|
Apr 22, 2025 | Apr 17, 2025 |
| 8-K |
Current report
Other events
|
Apr 9, 2025 | Apr 9, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 20, 2025 | Feb 19, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jan 17, 2025 | Jan 16, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jan 15, 2025 | Jan 14, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Jan 14, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Other events
|
Jan 13, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 26, 2024 | Dec 23, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 20, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 18, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2024 | Nov 14, 2024 |
| 8-K |
Current report
Other events
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2024 | Aug 14, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 1, 2024 | Jul 15, 2024 |
| 8-K |
Current report
Other events
|
Jul 24, 2024 | Jul 19, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jul 12, 2024 | Jul 11, 2024 |
| 8-K |
Current report
Agreement ended, Other events
|
Jul 5, 2024 | Jul 3, 2024 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Jul 2, 2024 | Jul 1, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 21, 2024 | Jun 17, 2024 |
| 8-K |
Current report
Other events
|
May 28, 2024 | May 28, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
May 17, 2024 | May 16, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 2, 2024 | Apr 2, 2024 |
| 8-K |
Current report
Listing notice
|
Jan 26, 2024 | Jan 24, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 8, 2023 | Dec 6, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Other events
|
Aug 21, 2023 | Aug 21, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2023 | Aug 10, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jul 26, 2023 | Jul 20, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jun 2, 2023 | May 31, 2023 |
| 8-K |
Current report
Other events
|
May 24, 2023 | May 24, 2023 |
| 8-K |
Current report
Other events
|
May 16, 2023 | May 16, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| 8-K |
Current report
Other events
|
Apr 20, 2023 | Apr 20, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 20, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Other events
|
Apr 18, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Other events
|
Apr 17, 2023 | Apr 17, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 22, 2023 | Mar 22, 2023 |
| 8-K |
Current report
Other events
|
Mar 10, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 22, 2023 | Feb 17, 2023 |
| 8-K |
Current report
Other events
|
Feb 13, 2023 | Feb 9, 2023 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Jan 25, 2023 | Jan 24, 2023 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jan 6, 2023 | Jan 4, 2023 |
| 8-K |
Current report
Other events
|
Dec 21, 2022 | Dec 21, 2022 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Nov 16, 2022 | Nov 16, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 29, 2022 | Sep 26, 2022 |
| 8-K |
Current report
Listing notice
|
Aug 26, 2022 | Aug 25, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Aug 12, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 8-K |
Current report
Results of operations
|
May 12, 2022 | May 12, 2022 |
| 8-K |
Current report
Officer or director change
|
May 10, 2022 | May 4, 2022 |
| 8-K |
Current report
Change in control, Bylaw or fiscal year change
|
May 2, 2022 | Apr 27, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 22, 2022 | Mar 22, 2022 |
| 8-K |
Current report
Listing notice
|
Mar 3, 2022 | Feb 25, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2021 | Nov 10, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2021 | Aug 12, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2021 | Jun 15, 2021 |
| 8-K |
Current report
Results of operations
|
May 13, 2021 | May 13, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2021 | Mar 25, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 17, 2021 | Feb 12, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jan 25, 2021 | Jan 21, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2020 | Nov 10, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Oct 13, 2020 | Oct 8, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2020 | Aug 12, 2020 |
| 8-K |
Current report
Acquisition or sale of assets
|
May 12, 2020 | May 12, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 2, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Other events
|
Mar 12, 2020 | Mar 10, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 13, 2020 | Feb 11, 2020 |
| 8-K |
Current report
Other events
|
Feb 10, 2020 | Feb 6, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 6, 2020 | Feb 4, 2020 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Jan 14, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jan 10, 2020 | Jan 10, 2020 |
| 8-K |
Current report
Other events
|
Dec 18, 2019 | Dec 16, 2019 |
| 8-K/A |
Amended current report
Listing notice
|
Dec 6, 2019 | Nov 12, 2019 |
| 8-K |
Current report
Material agreement
|
Nov 20, 2019 | Nov 19, 2019 |
| 8-K |
Current report
Listing notice
|
Nov 12, 2019 | Nov 12, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2019 | Nov 12, 2019 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Nov 8, 2019 | Oct 24, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Oct 25, 2019 | Oct 24, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2019 | Aug 12, 2019 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change
|
Aug 9, 2019 | Aug 7, 2019 |
| 8-K |
Current report
Results of operations
|
May 14, 2019 | May 14, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2019 | Mar 27, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 15, 2019 | Feb 13, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 28, 2019 | Jan 22, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 21, 2018 | Dec 19, 2018 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Other events
|
Nov 19, 2018 | Nov 14, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2018 | Nov 14, 2018 |
| 8-K |
Current report
Listing notice
|
Nov 13, 2018 | Nov 13, 2018 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 5, 2018 | Oct 1, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 26, 2018 | Sep 26, 2018 |
| 8-K |
Current report
Officer or director change
|
Sep 4, 2018 | Aug 31, 2018 |
| 8-K |
Current report
Other events
|
Aug 21, 2018 | Aug 17, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2018 | Aug 14, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2018 | Jun 5, 2018 |
| 8-K |
Current report
Listing notice
|
Jun 1, 2018 | May 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 10, 2018 | May 10, 2018 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 11, 2018 | Apr 9, 2018 |
| 8-K |
Current report
Listing notice
|
Mar 29, 2018 | Mar 29, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 27, 2018 | Mar 27, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2018 | Mar 26, 2018 |
| 8-K |
Current report
Restatement
|
Mar 26, 2018 | Mar 20, 2018 |
| 8-K |
Current report
Other events
|
Jan 24, 2018 | Jan 23, 2018 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Jan 5, 2018 | Jan 4, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2017 | Nov 8, 2017 |
| 8-K |
Current report
Officer or director change
|
Sep 15, 2017 | Sep 15, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2017 | Aug 10, 2017 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Aug 9, 2017 | Aug 8, 2017 |
| 8-K |
Current report
Listing notice
|
Aug 3, 2017 | Aug 2, 2017 |
| 8-K |
Current report
Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Jun 9, 2017 | Jun 6, 2017 |
| 8-K |
Current report
Results of operations
|
May 11, 2017 | May 11, 2017 |
| 8-K |
Current report
Other events
|
May 1, 2017 | Apr 29, 2017 |
| 8-K |
Current report
Officer or director change
|
Apr 18, 2017 | Apr 14, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2017 | Mar 30, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 29, 2017 | Mar 29, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 28, 2017 | Mar 28, 2017 |
| 8-K |
Current report
Listing notice
|
Feb 3, 2017 | Feb 2, 2017 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Listing notice, Officer or director change, Bylaw or fiscal year change
|
Jan 10, 2017 | Jan 5, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
Dec 21, 2016 | Dec 15, 2016 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 19, 2016 | Dec 15, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 30, 2016 | Nov 29, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2016 | Nov 10, 2016 |
| 8-K |
Current report
Other events
|
Oct 12, 2016 | Oct 7, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2016 | Aug 11, 2016 |
| 8-K |
Current report
Results of operations
|
May 12, 2016 | May 12, 2016 |
| 8-K |
Current report
Other events
|
May 4, 2016 | May 2, 2016 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Apr 15, 2016 | Apr 14, 2016 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2016 | Mar 30, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2015 | Nov 12, 2015 |
| 8-K |
Current report
Listing notice
|
Nov 4, 2015 | Nov 4, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 29, 2015 | Sep 29, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2015 | Aug 12, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2015 | Jun 1, 2015 |
| 8-K |
Current report
Material agreement
|
May 28, 2015 | May 28, 2015 |
| 8-K |
Current report
Results of operations
|
May 13, 2015 | May 13, 2015 |
| 8-K |
Current report
Listing notice
|
May 8, 2015 | May 7, 2015 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2015 | Mar 30, 2015 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Mar 24, 2015 | Mar 20, 2015 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Dec 19, 2014 | Dec 17, 2014 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2014 | Nov 13, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2014 | Aug 14, 2014 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 6, 2014 | Jun 2, 2014 |
| 8-K |
Current report
Results of operations
|
May 14, 2014 | May 14, 2014 |
| 8-K |
Current report
Material agreement
|
Apr 23, 2014 | Apr 22, 2014 |
| 8-K |
Current report
Results of operations
|
Mar 28, 2014 | Mar 28, 2014 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change, Other events
|
Jan 24, 2014 | Jan 24, 2014 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 20, 2013 | Dec 17, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2013 | Nov 14, 2013 |
| 8-K |
Current report
Results of operations, Unregistered share sale, Change to shareholder rights
|
Aug 14, 2013 | Aug 13, 2013 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
Jul 22, 2013 | Jul 19, 2013 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 13, 2013 | Jun 7, 2013 |
| 8-K |
Current report
Results of operations
|
May 15, 2013 | May 15, 2013 |
| 8-K |
Current report
Officer or director change
|
Apr 24, 2013 | Apr 18, 2013 |
| 8-K |
Current report
Results of operations
|
Mar 29, 2013 | Mar 29, 2013 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Mar 7, 2013 | Mar 1, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2012 | Nov 14, 2012 |
| 8-K |
Current report
Acquisition or sale of assets
|
Aug 15, 2012 | Aug 15, 2012 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 3, 2012 | Jun 27, 2012 |
| 8-K |
Current report
Officer or director change
|
Jun 22, 2012 | Jun 18, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
May 31, 2012 | May 31, 2012 |
| 8-K |
Current report
Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Other events
|
May 3, 2012 | Apr 27, 2012 |
| 8-K |
Current report
Material agreement
|
Apr 19, 2012 | Apr 18, 2012 |
| 8-K |
Current report
Material agreement
|
Apr 16, 2012 | Apr 11, 2012 |
| 8-K |
Current report
Material agreement
|
Apr 10, 2012 | Apr 3, 2012 |
Showing 195 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
- PHIO (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- King Of Prussia, PA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1533040
- Former names
- RXi Pharmaceuticals Corp (until Nov 14, 2018)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.