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 |
|---|---|---|---|
| 424B5 | Prospectus supplement | Oct 24, 2025 | — |
| 424B5 | Prospectus supplement | Jan 10, 2025 | — |
| S-3/A | Filing | Jan 7, 2025 | — |
| 424B3 | Prospectus | Dec 27, 2024 | — |
| S-1 | Registration statement | Dec 20, 2024 | — |
| S-3 | Shelf registration | Jun 14, 2024 | — |
| S-8 | Employee stock plan registration | Mar 8, 2022 | — |
| S-3/A | Filing | Sep 10, 2021 | — |
| S-3 | Shelf registration | Aug 13, 2021 | — |
| 424B5 | Prospectus supplement | Jul 2, 2021 | — |
| S-3/A | Filing | Jun 21, 2021 | — |
| S-3 | Shelf registration | Jun 4, 2021 | — |
| 424B4 | Prospectus | Apr 28, 2021 | — |
| 424B4 | Prospectus | Apr 28, 2021 | — |
| S-1MEF | Filing | Apr 26, 2021 | — |
| S-1/A | Amended registration statement | Apr 26, 2021 | — |
| S-1/A | Amended registration statement | Apr 26, 2021 | — |
| S-1/A | Amended registration statement | Apr 23, 2021 | — |
| S-1/A | Amended registration statement | Apr 9, 2021 | — |
| S-1/A | Amended registration statement | Apr 7, 2021 | — |
| S-8 | Employee stock plan registration | Mar 11, 2021 | — |
| S-1 | Registration statement | Feb 11, 2021 | — |
| S-8 | Employee stock plan registration | Mar 11, 2020 | — |
| S-8 | Employee stock plan registration | Jul 3, 2019 | — |
| S-8 | Employee stock plan registration | May 12, 2017 | — |
| 424B3 | Prospectus | Feb 9, 2017 | — |
| S-1/A | Amended registration statement | Jan 27, 2017 | — |
| S-1/A | Amended registration statement | Dec 28, 2016 | — |
| S-8 | Employee stock plan registration | Nov 10, 2016 | — |
| S-8 | Employee stock plan registration | Nov 10, 2016 | — |
| S-1 | Registration statement | Sep 16, 2016 | — |
| POS AM | Filing | Mar 30, 2012 | — |
| S-8 POS | Filing | Mar 30, 2012 | — |
| S-8 POS | Filing | Mar 30, 2012 | — |
| S-8 POS | Filing | Mar 30, 2012 | — |
| 424B3 | Prospectus | Oct 28, 2011 | — |
| 424B3 | Prospectus | Oct 4, 2011 | — |
| S-3/A | Filing | Sep 29, 2011 | — |
| S-3/A | Filing | Sep 1, 2011 | — |
| S-3 | Shelf registration | Jul 1, 2011 | — |
| S-8 | Employee stock plan registration | Jan 22, 2010 | — |
| POS AM | Filing | Jan 17, 2008 | — |
| S-4/A | Filing | Dec 24, 2007 | — |
| S-4 | Registration for a merger or exchange | Nov 2, 2007 | — |
| S-8 | Employee stock plan registration | Sep 7, 2007 | — |
| S-8 | Employee stock plan registration | Dec 20, 2001 | — |
| 424B3 | Prospectus | Dec 30, 1998 | — |
| POS AM | Post-effective amendment | Dec 31, 1997 | — |
| 424B1 | Filing | Dec 19, 1996 | — |
Showing 49 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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.