PTIX News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-08-20 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,8.01,9.01. |
| 2026-04-07 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2026-03-03 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2026-02-24 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,1.02,2.01,3.02,8.01,9.01. |
| 2026-01-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2025-11-26 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01,7.01,9.01. |
| 2025-11-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2025-10-31 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01,9.01. |
| 2025-09-17 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K/A | Protagenic Therapeutics, Inc.\new filed Form 8-K/A covering items 9.01. |
| 2025-08-28 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K/A | Protagenic Therapeutics, Inc.\new filed Form 8-K/A covering items 9.01. |
| 2025-08-22 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01,4.01,7.01,9.01. |
| 2025-08-13 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 2.05,5.02,5.03,8.01. |
| 2025-07-30 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2025-07-24 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2025-06-27 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.03,9.01. |
| 2025-05-21 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2025-05-20 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,3.02,9.01. |
| 2025-05-19 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.01,3.02,3.03,5.02,5.03,7.01,8.01,9.01. |
| 2025-05-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,9.01. |
| 2025-04-29 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2025-04-18 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07. |
| 2025-02-24 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07. |
| 2025-02-24 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2025-01-29 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2025-01-16 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2025-01-10 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,9.01. |
| 2024-12-03 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2024-11-22 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2024-11-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,8.01,9.01. |
| 2024-10-30 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,3.02,7.01,9.01. |
| 2024-09-18 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2024-07-26 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2024-05-24 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2024-05-22 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2024-03-21 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,8.01,9.01. |
| 2023-12-15 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07. |
| 2023-11-29 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2023-03-22 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,7.01,9.01. |
| 2022-11-29 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07,8.01. |
| 2022-09-02 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2022-06-29 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2021-10-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.01. |
| 2021-10-01 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,5.07,9.01. |
| 2021-08-19 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,8.01,9.01. |
| 2021-07-26 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,8.01,9.01. |
| 2021-07-02 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,9.01. |
| 2021-04-30 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,7.01,9.01. |
| 2021-04-21 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2021-04-08 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2020-10-07 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07. |
| 2020-09-03 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2020-07-21 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2020-07-09 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2020-05-14 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2020-05-08 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2020-03-31 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01,9.01. |
| 2020-03-03 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2020-01-29 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2019-12-23 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2019-12-04 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03. |
| 2019-11-21 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,3.02,3.03,9.01. |
| 2019-09-24 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07. |
| 2019-06-14 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2019-02-19 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2018-07-25 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07. |
| 2018-07-02 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2018-06-13 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2018-06-12 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01,9.01. |
| 2018-06-01 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,9.01. |
| 2018-02-23 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2017-09-28 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01,9.01. |
| 2017-07-28 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,9.01. |
| 2017-07-28 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2017-07-10 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.07,7.01. |
| 2017-06-23 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2017-05-26 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 7.01,9.01. |
| 2017-05-22 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 4.01,9.01. |
| 2016-09-08 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,9.01. |
| 2016-07-15 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,9.01. |
| 2016-07-12 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K/A | Protagenic Therapeutics, Inc.\new filed Form 8-K/A covering items 1.01,2.01,3.02,5.01,5.02,5.03,9.01. |
| 2016-06-20 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 4.01,5.03,5.07,9.01. |
| 2016-04-26 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01,9.01. |
| 2016-04-20 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K/A | Protagenic Therapeutics, Inc.\new filed Form 8-K/A covering items 1.01,3.02,9.01. |
| 2016-04-18 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,3.02,9.01. |
| 2016-04-07 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2016-04-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.03,9.01. |
| 2016-03-04 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 3.02. |
| 2016-02-12 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.01,3.02,5.01,5.02,5.03,5.06,9.01. |
| 2016-02-12 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 2.03,5.02,9.01. |
| 2016-02-05 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,8.01,9.01. |
| 2015-11-02 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,9.01. |
| 2015-09-09 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 1.01,2.03,9.01. |
| 2015-05-20 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 2.03,9.01. |
| 2014-12-22 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 2.03,9.01. |
| 2012-03-30 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2012-02-02 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 5.02. |
| 2012-01-27 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |
| 2012-01-26 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 2.01. |
| 2012-01-23 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 2.06. |
| 2012-01-06 | Current report | SEC filing | Protagenic Therapeutics, Inc.\new filed Form 8-K | Protagenic Therapeutics, Inc.\new filed Form 8-K covering items 8.01. |