Company · CIK 1022899 # Protagenic Therapeutics, Inc.\new | CIK | [1022899](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001022899) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | NY | | Listed | PTIX (OTC) | | First annual or quarterly report | 2008-05-20 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-280244 | Shelf Effective | 2024-06-14 | 2025-10-24 | 4 | | 333-283949 | Registered company Effective | 2024-12-20 | 2024-12-26 | 2 | | 333-258825 | Shelf Effective | 2021-08-13 | 2021-09-17 | 2 | | 333-256790 | Shelf Effective | 2021-06-04 | 2021-07-02 | 3 | | 333-253006 | Registered company Final prospectus | 2021-02-11 | 2021-04-28 | 8 | | 333-213671 | Registered company Effective | 2016-09-16 | 2017-02-08 | 4 | | 333-175283 | Shelf Effective | 2011-07-01 | 2012-04-06 | 3 | ## Filings 30 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-10-24 | [424B5](https://www.sec.gov/Archives/edgar/data/1022899/000149315225019371/0001493152-25-019371-index.htm) Shelf takedown | 333-280244 | 0001493152-25-019371 | | 2025-01-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1022899/000149315225001512/0001493152-25-001512-index.htm) Shelf takedown | 333-280244 | 0001493152-25-001512 | | 2025-01-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999525000057/9999999995-25-000057-index.htm) Declared effective | 333-280244 | 9999999995-25-000057 | | 2024-12-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999524003922/9999999995-24-003922-index.htm) Declared effective | 333-283949 | 9999999995-24-003922 | | 2024-12-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1022899/000149315224050846/0001493152-24-050846-index.htm) Registration filed | 333-283949 | 0001493152-24-050846 | | 2024-06-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1022899/000149315224023944/0001493152-24-023944-index.htm) Shelf registered | 333-280244 | 0001493152-24-023944 | | 2021-09-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999521003572/9999999995-21-003572-index.htm) Declared effective | 333-258825 | 9999999995-21-003572 | | 2021-08-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1022899/000149315221019812/0001493152-21-019812-index.htm) Shelf registered | 333-258825 | 0001493152-21-019812 | | 2021-07-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1022899/000149315221016074/0001493152-21-016074-index.htm) Shelf takedown | 333-256790 | 0001493152-21-016074 | | 2021-06-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999521002472/9999999995-21-002472-index.htm) Declared effective | 333-256790 | 9999999995-21-002472 | | 2021-06-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1022899/000149315221013626/0001493152-21-013626-index.htm) Shelf registered | 333-256790 | 0001493152-21-013626 | | 2021-04-28 | [424B4](https://www.sec.gov/Archives/edgar/data/1022899/000149315221009968/0001493152-21-009968-index.htm) Final prospectus | 333-255525 | 0001493152-21-009968 | | 2021-04-28 | [424B4](https://www.sec.gov/Archives/edgar/data/1022899/000149315221009966/0001493152-21-009966-index.htm) Final prospectus | 333-253006 | 0001493152-21-009966 | | 2021-04-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999521001560/9999999995-21-001560-index.htm) Declared effective | 333-253006 | 9999999995-21-001560 | | 2021-04-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000149315221009619/0001493152-21-009619-index.htm) Amendment | 333-253006 | 0001493152-21-009619 | | 2021-04-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000149315221009608/0001493152-21-009608-index.htm) Amendment | 333-253006 | 0001493152-21-009608 | | 2021-04-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000149315221009500/0001493152-21-009500-index.htm) Amendment | 333-253006 | 0001493152-21-009500 | | 2021-04-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000149315221008441/0001493152-21-008441-index.htm) Amendment | 333-253006 | 0001493152-21-008441 | | 2021-04-07 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000149315221008140/0001493152-21-008140-index.htm) Amendment | 333-253006 | 0001493152-21-008140 | | 2021-02-11 | [S-1](https://www.sec.gov/Archives/edgar/data/1022899/000149315221003410/0001493152-21-003410-index.htm) Registration filed | 333-253006 | 0001493152-21-003410 | | 2017-02-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999517000322/9999999995-17-000322-index.htm) Declared effective | 333-213671 | 9999999995-17-000322 | | 2017-01-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000143774917001259/0001437749-17-001259-index.htm) Amendment | 333-213671 | 0001437749-17-001259 | | 2016-12-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1022899/000143774916043833/0001437749-16-043833-index.htm) Amendment | 333-213671 | 0001437749-16-043833 | | 2016-09-16 | [S-1](https://www.sec.gov/Archives/edgar/data/1022899/000143774916038794/0001437749-16-038794-index.htm) Registration filed | 333-213671 | 0001437749-16-038794 | | 2012-04-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999512000961/9999999995-12-000961-index.htm) Declared effective | 333-175283 | 9999999995-12-000961 | | 2011-09-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999511002847/9999999995-11-002847-index.htm) Declared effective | 333-175283 | 9999999995-11-002847 | | 2011-07-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1022899/000114420411038622/0001144204-11-038622-index.htm) Shelf registered | 333-175283 | 0001144204-11-038622 | | 2008-10-16 | [RW](https://www.sec.gov/Archives/edgar/data/1022899/000114420408058091/0001144204-08-058091-index.htm) Withdrawn | 333-143025 | 0001144204-08-058091 | | 2008-01-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999508000274/9999999995-08-000274-index.htm) Declared effective | 333-147131 | 9999999995-08-000274 | | 2007-12-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1022899/999999999507005125/9999999995-07-005125-index.htm) Declared effective | 333-147131 | 9999999995-07-005125 | [All filings of this company](https://equitycapital.markets/filings?cik=1022899) · [CSV](https://equitycapital.markets/filings.csv?cik=1022899) --- Source page: https://equitycapital.markets/company/1022899 · Data: U.S. SEC EDGAR · CC BY 4.0