Protagenic Therapeutics, Inc.\new SEC filings PTIX
Protagenic Therapeutics, Inc.\new has 705 filings in SEC EDGAR's recent list, going back to Oct 22, 1996. Its latest annual report, Form 10-K, was filed on Aug 14, 2026 for the period ended Mar 31, 2026. 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 20, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 20, 2026 | Aug 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 3, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets, Unregistered share sale, Other events
|
Feb 24, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Listing notice
|
Jan 5, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Nov 26, 2025 | Nov 20, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Other events
|
Oct 31, 2025 | Oct 28, 2025 |
| 8-K/A | Amended current report | Sep 17, 2025 | May 15, 2025 |
| 8-K/A | Amended current report | Aug 28, 2025 | May 15, 2025 |
| 8-K |
Current report
Listing notice, Auditor change, Regulation FD disclosure
|
Aug 22, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Exit or restructuring costs, Officer or director change, Bylaw or fiscal year change, Other events
|
Aug 13, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 30, 2025 | Jul 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 24, 2025 | Jul 18, 2025 |
| 8-K |
Current report
Change to shareholder rights
|
Jun 27, 2025 | Jun 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 21, 2025 | May 15, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
May 20, 2025 | May 20, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
May 19, 2025 | May 15, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 5, 2025 | May 2, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 29, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Apr 18, 2025 | Apr 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 24, 2025 | Feb 21, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Feb 24, 2025 | Feb 21, 2025 |
| 8-K |
Current report
Listing notice
|
Jan 29, 2025 | Jan 22, 2025 |
| 8-K |
Current report
Listing notice
|
Jan 16, 2025 | Jan 15, 2025 |
| 8-K |
Current report
Material agreement
|
Jan 10, 2025 | Jan 9, 2025 |
| 8-K |
Current report
Other events
|
Dec 3, 2024 | Nov 29, 2024 |
| 8-K |
Current report
Listing notice
|
Nov 22, 2024 | Nov 19, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 5, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Oct 30, 2024 | Oct 29, 2024 |
| 8-K |
Current report
Other events
|
Sep 18, 2024 | Sep 17, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 26, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Listing notice
|
May 24, 2024 | May 22, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 22, 2024 | May 22, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 21, 2024 | Mar 19, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Dec 15, 2023 | Dec 13, 2023 |
| 8-K |
Current report
Listing notice
|
Nov 29, 2023 | Nov 21, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Mar 22, 2023 | Mar 21, 2023 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Nov 29, 2022 | Nov 23, 2022 |
| 8-K |
Current report
Other events
|
Sep 2, 2022 | Aug 30, 2022 |
| 8-K |
Current report
Other events
|
Jun 29, 2022 | Jun 29, 2022 |
| 8-K |
Current report
Listing notice
|
Oct 5, 2021 | Oct 1, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Oct 1, 2021 | Sep 29, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 19, 2021 | Aug 17, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 26, 2021 | Apr 23, 2021 |
| 8-K |
Current report
Material agreement
|
Jul 2, 2021 | Jul 2, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 30, 2021 | Apr 26, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 21, 2021 | Apr 21, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 8, 2021 | Apr 7, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Oct 7, 2020 | Oct 6, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Sep 3, 2020 | Aug 28, 2020 |
| 8-K |
Current report
Officer or director change
|
Jul 21, 2020 | Jul 18, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Jul 9, 2020 | Jul 8, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
May 14, 2020 | May 14, 2020 |
| 8-K |
Current report
Other events
|
May 8, 2020 | May 8, 2020 |
| 8-K |
Current report
Other events
|
Mar 31, 2020 | Mar 30, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Mar 3, 2020 | Mar 2, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Jan 29, 2020 | Jan 27, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Dec 23, 2019 | Dec 20, 2019 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Dec 4, 2019 | Dec 3, 2019 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Nov 21, 2019 | Nov 5, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Sep 24, 2019 | Sep 23, 2019 |
| 8-K |
Current report
Other events
|
Jun 14, 2019 | Jun 14, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 19, 2019 | Feb 18, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jul 25, 2018 | Jul 23, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 2, 2018 | Jun 29, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 13, 2018 | Jun 13, 2018 |
| 8-K |
Current report
Other events
|
Jun 12, 2018 | Jun 11, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 1, 2018 | May 31, 2018 |
| 8-K |
Current report
Other events
|
Feb 23, 2018 | Feb 20, 2018 |
| 8-K |
Current report
Other events
|
Sep 28, 2017 | Sep 28, 2017 |
| 8-K |
Current report
Officer or director change
|
Jul 28, 2017 | Jul 25, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 28, 2017 | Jul 25, 2017 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jul 10, 2017 | Jul 7, 2017 |
| 8-K |
Current report
Officer or director change
|
Jun 23, 2017 | Jun 20, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
May 26, 2017 | May 26, 2017 |
| 8-K |
Current report
Auditor change
|
May 22, 2017 | May 18, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 8, 2016 | Jun 17, 2016 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 15, 2016 | Mar 25, 2016 |
| 8-K/A |
Amended current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change in control, Officer or director change, Bylaw or fiscal year change
|
Jul 12, 2016 | Feb 12, 2016 |
| 8-K |
Current report
Auditor change, Bylaw or fiscal year change, Shareholder vote results
|
Jun 20, 2016 | Jun 17, 2016 |
| 8-K |
Current report
Other events
|
Apr 26, 2016 | Mar 25, 2016 |
| 8-K/A |
Amended current report
Material agreement, Unregistered share sale
|
Apr 20, 2016 | Apr 15, 2016 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 18, 2016 | Apr 15, 2016 |
| 8-K |
Current report
Officer or director change
|
Apr 7, 2016 | Apr 4, 2016 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 5, 2016 | Apr 1, 2016 |
| 8-K |
Current report
Unregistered share sale
|
Mar 4, 2016 | Mar 2, 2016 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change in control, Officer or director change, Bylaw or fiscal year change
|
Feb 12, 2016 | Feb 12, 2016 |
| 8-K |
Current report
New debt, Officer or director change
|
Feb 12, 2016 | Feb 4, 2016 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Feb 5, 2016 | Dec 9, 2015 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 2, 2015 | Oct 30, 2015 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 9, 2015 | Sep 3, 2015 |
| 8-K |
Current report
New debt
|
May 20, 2015 | May 15, 2015 |
| 8-K |
Current report
New debt
|
Dec 22, 2014 | Dec 18, 2014 |
| 8-K |
Current report
Other events
|
Mar 30, 2012 | Mar 29, 2012 |
| 8-K |
Current report
Officer or director change
|
Feb 2, 2012 | Jan 30, 2012 |
| 8-K |
Current report
Other events
|
Jan 27, 2012 | Jan 27, 2012 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jan 26, 2012 | Jan 23, 2012 |
| 8-K |
Current report
Impairment
|
Jan 23, 2012 | Jan 20, 2012 |
| 8-K |
Current report
Other events
|
Jan 6, 2012 | Dec 30, 2011 |
| 8-K |
Current report
Material agreement, Agreement ended, Other events
|
Dec 29, 2011 | Dec 28, 2011 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Dec 20, 2011 | Dec 15, 2011 |
| 8-K | Current report | Dec 6, 2011 | Nov 30, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 2, 2011 | Dec 1, 2011 |
| 8-K |
Current report
Officer or director change
|
Dec 1, 2011 | Nov 25, 2011 |
| 8-K |
Current report
Listing notice
|
Nov 8, 2011 | Nov 2, 2011 |
| 8-K |
Current report
Other events
|
Oct 28, 2011 | Oct 28, 2011 |
| 8-K |
Current report
Material agreement
|
Oct 28, 2011 | Oct 27, 2011 |
| 8-K |
Current report
Officer or director change
|
Sep 15, 2011 | Sep 14, 2011 |
| 8-K |
Current report
Listing notice
|
Aug 22, 2011 | Aug 16, 2011 |
| 8-K |
Current report
Listing notice
|
Jul 12, 2011 | Jul 8, 2011 |
| 8-K |
Current report
Other events
|
Jul 1, 2011 | Jun 30, 2011 |
| 8-K |
Current report
Officer or director change
|
Jun 6, 2011 | Jun 1, 2011 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jun 1, 2011 | May 31, 2011 |
| 8-K |
Current report
Officer or director change
|
Apr 26, 2011 | Apr 20, 2011 |
| 8-K |
Current report
Listing notice
|
Apr 20, 2011 | Apr 14, 2011 |
| 8-K |
Current report
Results of operations
|
Apr 1, 2011 | Mar 31, 2011 |
| 8-K |
Current report
Officer or director change
|
Feb 25, 2011 | Feb 24, 2011 |
| 8-K |
Current report
Other events
|
Dec 10, 2010 | Dec 9, 2010 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Dec 7, 2010 | Dec 1, 2010 |
| 8-K |
Current report
Other events
|
Nov 19, 2010 | Nov 16, 2010 |
| 8-K |
Current report
Results of operations
|
Nov 15, 2010 | Nov 15, 2010 |
| 8-K |
Current report
Material agreement
|
Oct 14, 2010 | Oct 13, 2010 |
| 8-K |
Current report
Other events
|
Sep 2, 2010 | Aug 31, 2010 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 17, 2010 | Aug 13, 2010 |
| 8-K |
Current report
Officer or director change
|
Jul 7, 2010 | Jun 30, 2010 |
| 8-K |
Current report
Listing notice
|
Jun 29, 2010 | Jun 23, 2010 |
| 8-K |
Current report
Other events
|
Jun 1, 2010 | May 25, 2010 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2010 | May 11, 2010 |
| 8-K |
Current report
Results of operations
|
May 11, 2010 | May 11, 2010 |
| 8-K |
Current report
Other events
|
May 5, 2010 | May 5, 2010 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2010 | Mar 30, 2010 |
| 8-K |
Current report
Officer or director change
|
Mar 19, 2010 | Mar 15, 2010 |
| 8-K |
Current report
Officer or director change
|
Feb 2, 2010 | Jan 27, 2010 |
| 8-K |
Current report
Officer or director change
|
Jan 13, 2010 | Jan 12, 2010 |
| 8-K |
Current report
Listing notice
|
Dec 30, 2009 | Dec 28, 2009 |
| 8-K |
Current report
Agreement ended
|
Dec 24, 2009 | Dec 18, 2009 |
| 8-K |
Current report
Officer or director change
|
Dec 21, 2009 | Dec 16, 2009 |
| 8-K |
Current report
Other events
|
Dec 8, 2009 | Dec 3, 2009 |
| 8-K |
Current report
Results of operations
|
Nov 16, 2009 | Nov 11, 2009 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2009 | Nov 11, 2009 |
| 8-K |
Current report
Material agreement, Agreement ended, Listing notice
|
Oct 23, 2009 | Oct 20, 2009 |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2009 | Oct 6, 2009 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2009 | Aug 14, 2009 |
| 8-K |
Current report
Other events
|
Aug 6, 2009 | Jul 31, 2009 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Other events
|
Jul 1, 2009 | Jun 25, 2009 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2009 | Jun 2, 2009 |
| 8-K |
Current report
Results of operations
|
May 12, 2009 | May 12, 2009 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2009 | Mar 26, 2009 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 25, 2009 | Feb 25, 2009 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 17, 2009 | Feb 16, 2009 |
| 8-K |
Current report
Auditor change
|
Jan 30, 2009 | Jan 30, 2009 |
| 8-K/A |
Amended current report
Auditor change
|
Jan 30, 2009 | Jan 21, 2009 |
| 8-K |
Current report
Auditor change
|
Jan 27, 2009 | Jan 21, 2009 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 13, 2008 | Nov 11, 2008 |
| 8-K/A | Amended current report | Sep 15, 2008 | Jun 30, 2008 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2008 | Aug 14, 2008 |
| 8-K |
Current report
Officer or director change
|
Jul 17, 2008 | Jul 14, 2008 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt
|
Jul 7, 2008 | Jun 30, 2008 |
| 8-K |
Current report
Results of operations
|
May 21, 2008 | May 15, 2008 |
| 8-K |
Current report
Results of operations
|
May 15, 2008 | May 15, 2008 |
| 8-K |
Current report
Auditor change
|
May 13, 2008 | May 7, 2008 |
| 8-K |
Current report
Other events
|
Apr 9, 2008 | Apr 9, 2008 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2008 | Mar 27, 2008 |
| 8-K |
Current report
Officer or director change
|
Mar 19, 2008 | Mar 17, 2008 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Officer or director change, Other events
|
Feb 8, 2008 | Feb 4, 2008 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 15, 2007 | Nov 14, 2007 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Nov 9, 2007 | Nov 8, 2007 |
| 8-K |
Current report
Material agreement
|
Oct 19, 2007 | Oct 15, 2007 |
| 8-K |
Current report
Other events
|
Sep 27, 2007 | Sep 27, 2007 |
| 8-K |
Current report
Material agreement, Other events
|
Sep 27, 2007 | Sep 26, 2007 |
| 8-K |
Current report
Officer or director change
|
Aug 24, 2007 | Aug 20, 2007 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 14, 2007 | Aug 8, 2007 |
| 8-K |
Current report
Results of operations
|
May 22, 2007 | May 16, 2007 |
| 8-K |
Current report
Other events
|
May 7, 2007 | May 2, 2007 |
| 8-K |
Current report
Results of operations
|
Apr 2, 2007 | Apr 2, 2007 |
| 8-K |
Current report
Officer or director change
|
Mar 14, 2007 | Mar 8, 2007 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change
|
Mar 6, 2007 | Feb 28, 2007 |
| 8-K |
Current report
Auditor change
|
Feb 13, 2007 | Feb 12, 2007 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Unregistered share sale, Change in control, Officer or director change, Bylaw or fiscal year change
|
Feb 13, 2007 | Feb 12, 2007 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change
|
Feb 1, 2007 | Jan 30, 2007 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Bylaw or fiscal year change
|
Jan 26, 2007 | Jan 24, 2007 |
| 8-K |
Current report
Other events
|
Nov 22, 2006 | Nov 22, 2006 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change in control, Officer or director change
|
Oct 30, 2006 | Oct 24, 2006 |
| 8-K |
Current report
Other events
|
Oct 21, 2005 | Oct 20, 2005 |
| 8-K | Current report | Oct 22, 2002 | Oct 17, 2002 |
| 8-K/A | Amended current report | Aug 14, 2002 | Aug 2, 2002 |
| 8-K | Current report | Aug 5, 2002 | Aug 2, 2002 |
| 8-K/A | Amended current report | May 14, 1998 | May 5, 1998 |
| 8-K | Current report | May 12, 1998 | May 11, 1998 |
Showing 190 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
- PTIX (OTC)
- Fiscal year ends
- March 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1022899
- Former names
- Atrinsic, Inc. (until Jun 20, 2016); NEW MOTION, INC. (until Jun 30, 2009); MPLC, Inc. (until Apr 2, 2007); MILLBROOK PRESS INC (until May 23, 2005)
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.