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 |
|---|---|---|---|
| 4 | Insider transaction | Aug 24, 2026 | Aug 21, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 20, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 19, 2026 |
| 10-Q | Quarterly report | Aug 19, 2026 | Jun 30, 2026 |
| NT 10-Q | Filing | Aug 14, 2026 | Jun 30, 2026 |
| 10-K | Annual report | Aug 14, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Jul 30, 2026 |
| NT 10-K | Filing | Jun 30, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 7, 2026 | Mar 31, 2026 |
| 10-Q | Quarterly report | Mar 9, 2026 | Dec 31, 2025 |
| 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 |
| NT 10-Q | Filing | Feb 18, 2026 | Dec 31, 2025 |
| 25-NSE | Delisting notice | Jan 23, 2026 | — |
| 8-K |
Current report
Listing notice
|
Jan 5, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Dec 5, 2025 | Dec 5, 2025 |
| 10-Q | Quarterly report | Nov 26, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Nov 26, 2025 | Nov 20, 2025 |
| NT 10-Q | Filing | Nov 14, 2025 | Sep 30, 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 |
| 424B5 | Prospectus supplement | Oct 24, 2025 | — |
| 3 | Initial insider ownership | Oct 24, 2025 | May 15, 2025 |
| 8-K/A | Amended current report | Sep 17, 2025 | May 15, 2025 |
| 10-QT | Filing | Sep 10, 2025 | Jun 30, 2025 |
| 8-K/A | Amended current report | Aug 28, 2025 | May 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 25, 2025 | — |
| 8-K |
Current report
Listing notice, Auditor change, Regulation FD disclosure
|
Aug 22, 2025 | Aug 7, 2025 |
| NT 10-Q | Filing | Aug 14, 2025 | Jun 30, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 8, 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 |
| DEFA14A | Additional proxy material | May 19, 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 |
| 10-Q | Quarterly report | May 13, 2025 | Mar 31, 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 |
| 10-K | Annual report | Mar 31, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Mar 10, 2025 | Mar 7, 2025 |
| PRE 14A | Preliminary proxy statement | Feb 27, 2025 | Feb 26, 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 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 |
| 424B5 | Prospectus supplement | Jan 10, 2025 | — |
| EFFECT | Filing | Jan 8, 2025 | — |
| CORRESP | Letter to the SEC | Jan 7, 2025 | — |
| S-3/A | Filing | Jan 7, 2025 | — |
| DEFA14A | Additional proxy material | Jan 6, 2025 | — |
| DEF 14A | Proxy statement | Jan 3, 2025 | Jan 3, 2025 |
| CORRESP | Letter to the SEC | Dec 30, 2024 | — |
| 424B3 | Prospectus | Dec 27, 2024 | — |
| EFFECT | Filing | Dec 26, 2024 | — |
| CORRESP | Letter to the SEC | Dec 23, 2024 | — |
| UPLOAD | Letter from the SEC | Dec 20, 2024 | — |
| CORRESP | Letter to the SEC | Dec 20, 2024 | — |
| S-1 | Registration statement | Dec 20, 2024 | — |
| PRE 14A | Preliminary proxy statement | Dec 19, 2024 | Dec 18, 2024 |
| 8-K |
Current report
Other events
|
Dec 3, 2024 | Nov 29, 2024 |
| 8-K |
Current report
Listing notice
|
Nov 22, 2024 | Nov 19, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 14, 2024 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 26, 2024 | Jul 24, 2024 |
| UPLOAD | Letter from the SEC | Jun 18, 2024 | — |
| S-3 | Shelf registration | Jun 14, 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 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 10-K/A | Amended annual report | May 14, 2024 | Dec 31, 2023 |
| 10-K/A | Amended annual report | Apr 24, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 25, 2024 |
| 10-K | Annual report | Apr 1, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 29, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 29, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 29, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 29, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 29, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 29, 2024 | Mar 25, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 21, 2024 | Mar 19, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 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 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| DEF 14A | Proxy statement | Nov 2, 2023 | Nov 2, 2023 |
| 4 | Insider transaction | Oct 13, 2023 | Oct 12, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 15, 2023 | Mar 31, 2023 |
| 10-K/A | Amended annual report | Apr 17, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Mar 31, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Mar 22, 2023 | Mar 21, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Nov 29, 2022 | Nov 23, 2022 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| DEF 14A | Proxy statement | Oct 12, 2022 | Oct 11, 2022 |
| 8-K |
Current report
Other events
|
Sep 2, 2022 | Aug 30, 2022 |
| 10-Q | Quarterly report | Aug 11, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Other events
|
Jun 29, 2022 | Jun 29, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 10-Q | Quarterly report | May 13, 2022 | Mar 31, 2022 |
| 10-K | Annual report | Apr 7, 2022 | Dec 31, 2021 |
| NT 10-K | Filing | Mar 31, 2022 | Dec 31, 2021 |
| S-8 | Employee stock plan registration | Mar 8, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| 10-Q | Quarterly report | Nov 15, 2021 | Sep 30, 2021 |
| 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 |
| EFFECT | Filing | Sep 17, 2021 | — |
| CORRESP | Letter to the SEC | Sep 14, 2021 | — |
| S-3/A | Filing | Sep 10, 2021 | — |
| DEF 14A | Proxy statement | Sep 8, 2021 | Sep 8, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 19, 2021 | Aug 17, 2021 |
| UPLOAD | Letter from the SEC | Aug 18, 2021 | — |
| 10-Q | Quarterly report | Aug 16, 2021 | Jun 30, 2021 |
| S-3 | Shelf registration | Aug 13, 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 |
| 424B5 | Prospectus supplement | Jul 2, 2021 | — |
| EFFECT | Filing | Jun 23, 2021 | — |
| CORRESP | Letter to the SEC | Jun 21, 2021 | — |
| S-3/A | Filing | Jun 21, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 11, 2021 | — |
| S-3 | Shelf registration | Jun 4, 2021 | — |
| 4 | Insider transaction | Jun 3, 2021 | Jun 2, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | May 26, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | May 27, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 18, 2021 |
| 10-Q | Quarterly report | May 17, 2021 | Mar 31, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 3, 2021 | Apr 29, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 30, 2021 | Apr 26, 2021 |
| 424B4 | Prospectus | Apr 28, 2021 | — |
| 424B4 | Prospectus | Apr 28, 2021 | — |
| EFFECT | Filing | Apr 26, 2021 | — |
| S-1MEF | Filing | Apr 26, 2021 | — |
| CERT | Filing | Apr 26, 2021 | — |
| 8-A12B | Filing | Apr 26, 2021 | — |
| S-1/A | Amended registration statement | Apr 26, 2021 | — |
| S-1/A | Amended registration statement | Apr 26, 2021 | — |
| CORRESP | Letter to the SEC | Apr 23, 2021 | — |
| CORRESP | Letter to the SEC | Apr 23, 2021 | — |
| S-1/A | Amended registration statement | Apr 23, 2021 | — |
| CORRESP | Letter to the SEC | Apr 22, 2021 | — |
| CORRESP | Letter to the SEC | Apr 22, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 21, 2021 | Apr 21, 2021 |
| CORRESP | Letter to the SEC | Apr 21, 2021 | — |
| CORRESP | Letter to the SEC | Apr 21, 2021 | — |
| S-1/A | Amended registration statement | Apr 9, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 8, 2021 | Apr 7, 2021 |
| S-1/A | Amended registration statement | Apr 7, 2021 | — |
| 10-K | Annual report | Mar 25, 2021 | Dec 31, 2020 |
| S-8 | Employee stock plan registration | Mar 11, 2021 | — |
| UPLOAD | Letter from the SEC | Feb 22, 2021 | — |
| S-1 | Registration statement | Feb 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| 10-Q | Quarterly report | Nov 16, 2020 | Sep 30, 2020 |
| 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 |
| DEF 14A | Proxy statement | Aug 28, 2020 | Aug 28, 2020 |
| 10-Q | Quarterly report | Aug 14, 2020 | Jun 30, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 18, 2020 |
| 4 | Insider transaction | Jul 21, 2020 | Jul 18, 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 |
| 10-Q | Quarterly report | Jun 18, 2020 | Mar 31, 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 |
| 10-K | Annual report | Apr 29, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Other events
|
Mar 31, 2020 | Mar 30, 2020 |
| S-8 | Employee stock plan registration | Mar 11, 2020 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Mar 3, 2020 | Mar 2, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 28, 2020 | — |
| 4 | Insider transaction | Feb 26, 2020 | Feb 21, 2020 |
| 4 | Insider transaction | Feb 26, 2020 | Feb 21, 2020 |
| 4 | Insider transaction | Feb 26, 2020 | Feb 21, 2020 |
| 4 | Insider transaction | Feb 26, 2020 | Feb 21, 2020 |
| 4 | Insider transaction | Feb 26, 2020 | Feb 21, 2020 |
| 4 | Insider transaction | Feb 26, 2020 | Feb 21, 2020 |
| 5 | Annual insider ownership | Feb 24, 2020 | Dec 31, 2019 |
| 5 | Annual insider ownership | Feb 24, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Jan 29, 2020 | Jan 27, 2020 |
| UPLOAD | Letter from the SEC | Jan 27, 2020 | — |
| CORRESP | Letter to the SEC | Jan 22, 2020 | — |
| UPLOAD | Letter from the SEC | Jan 6, 2020 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Dec 23, 2019 | Dec 20, 2019 |
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
- 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.