Protagenic Therapeutics, Inc. also files under PTIX, PTIXW, ATRND, NWMO, MPNC, MPNC.OB; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF, Director | Buy(P) | 20K | $0.65 | $13K |
| Aug 20, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF, Director | Buy(P) | 17K | $0.59 | $10K |
| Aug 19, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF, Director | Buy(P) | 3K | $0.35 | $945 |
| Aug 11, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF, Director | Buy(P) | 2K | $0.32 | $710 |
| Aug 6, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF, Director | Buy(P) | 685 | $0.22 | $151 |
| Aug 5, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF, Director | Buy(P) | 5K | $0.26 | $1K |
| Jul 30, 2026 | Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF., Director | Buy(P) | 26K | $0.18 | $5K |
| Mar 25, 2024 | Wright Timothy R | Director | Grant(A) | 21K | $1.74 | $37K |
| Mar 25, 2024 | Stein Robert Benjamin | Director | Grant(A) | 75K | $1.74 | $131K |
| Mar 25, 2024 | Armen Garo H | Executive Chairman, Director, 10% Owner | Grant(A) | 250K | $1.74 | $435K |
| Mar 25, 2024 | Arrow Alexander K. | Chief Financial Officer | Grant(A) | 100K | $1.74 | $174K |
| Mar 25, 2024 | Barrage Khalil | Director | Grant(A) | 23K | $1.74 | $39K |
| Mar 25, 2024 | Buell Jennifer | Director | Grant(A) | 75K | $1.74 | $131K |
| Mar 25, 2024 | Corvese Brian | Director | Grant(A) | 44K | $1.74 | $76K |
| Oct 12, 2023 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 8K | $0.81 | $6K |
| May 18, 2022 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 8K | $0.72 | $6K |
| May 17, 2022 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 23K | $0.71 | $16K |
| Jun 3, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 17K | $0.38 | $6K |
| Jun 2, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 100 | $0.38 | $38 |
| May 27, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 3K | $0.38 | $1K |
| May 26, 2021 | Barrage Khalil | Director | Grant(A) | 180K | — | $0 |
| May 18, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 18K | $0.31 | $6K |
| May 18, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 12K | $0.32 | $4K |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 120K | $1.75 | $210K |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 150K | $1.25 | $188K |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 45K | — | $0 |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 120K | — | $0 |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 45K | — | $0 |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 150K | — | $0 |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 45K | $1.25 | $56K |
| May 3, 2021 | Barrage Khalil | Director | Option exercise(M) | 45K | $1.75 | $79K |
| Apr 30, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 1K | $2.29 | $2K |
| Apr 29, 2021 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 1K | $2.29 | $2K |
| Jul 18, 2020 | Buell Jennifer | Director | Grant(A) | 145K | $1.75 | $254K |
| Jul 18, 2020 | Arrow Alexander K. | Chief Financial Officer | Grant(A) | 125K | $1.75 | $219K |
| Feb 21, 2020 | Stein Robert Benjamin | Director | Grant(A) | 150K | — | — |
| Feb 21, 2020 | Arrow Alexander K. | Chief Financial Officer | Grant(A) | 307K | — | — |
| Feb 21, 2020 | Corvese Brian | Director | Grant(A) | 120K | — | — |
| Feb 21, 2020 | Armen Garo H | Executive Chairman, Director, 10% Owner | Grant(A) | 300K | — | $0 |
| Feb 21, 2020 | Silverman Joshua | Director | Grant(A) | 120K | — | $0 |
| Feb 21, 2020 | Barrage Khalil | Director | Grant(A) | 120K | — | $0 |
| Mar 20, 2019 | Arrow Alexander K. | Chief Financial Officer | Grant(A) | 42K | — | $0 |
| Oct 16, 2017 | Arrow Alexander K. | Chief Financial Officer | Grant(A) | 75K | — | $0 |
| Oct 16, 2017 | Armen Garo H | Executive Chairman, Director, 10% Owner | Grant(A) | 250K | — | $0 |
| Oct 16, 2017 | Stein Robert Benjamin | Director | Grant(A) | 200K | — | $0 |
| Oct 16, 2017 | Silverman Joshua | Director | Grant(A) | 45K | — | $0 |
| Oct 16, 2017 | Barrage Khalil | Director | Grant(A) | 45K | — | $0 |
| Oct 16, 2017 | Corvese Brian | Director | Grant(A) | 95K | — | $0 |
| Aug 8, 2016 | Barrage Khalil | Director | Grant(A) | 150K | $1.25 | $188K |
| Jun 17, 2016 | Barrage Khalil | Director | Grant(A) | 45K | $1.25 | $56K |
| Jun 17, 2016 | Silverman Joshua | Director | Grant(A) | 45K | $1.25 | $56K |
| Jun 17, 2016 | Armen Garo H | See Remarks, Director, 10% Owner | Grant(A) | 500K | $1.25 | $625K |
| Jun 17, 2016 | Arrow Alexander K. | Chief Financial Officer | Grant(A) | 140K | $1.25 | $175K |
| Jun 17, 2016 | Ekizian Gregory | Director | Grant(A) | 45K | $1.25 | $56K |
| Jun 17, 2016 | Stein Robert Benjamin | Director | Grant(A) | 40K | $1.25 | $50K |
| Jun 17, 2016 | Armen Garo H | See Remarks, Director, 10% Owner | Buy(P) | 60K | $1.25 | $75K |
| Apr 15, 2016 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 18K | $1.25 | $23K |
| Apr 15, 2016 | Arrow Alexander K. | Chief Financial Officer | Buy(P) | 40K | $1.25 | $50K |
| May 31, 2011 | Brilliant Digital Entertainment Inc | 10% Owner | Buy(P) | 360K | — | — |
| May 31, 2011 | Brilliant Digital Entertainment Inc | 10% Owner | Buy(P) | 759K | — | — |
| May 31, 2011 | Brilliant Digital Entertainment Inc | 10% Owner | Buy(P) | 759K | — | — |
| May 31, 2011 | Brilliant Digital Entertainment Inc | 10% Owner | Buy(P) | 379K | — | — |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 2K | $2.09 | $4K |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 266 | $1.97 | $524 |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 74 | $2.00 | $148 |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 300 | $2.08 | $624 |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 569 | $2.07 | $1K |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 1K | $1.99 | $3K |
| Dec 13, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 900 | $1.98 | $2K |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 3K | $1.79 | $6K |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 100 | $1.70 | $170 |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 100 | $1.64 | $164 |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 200 | $1.59 | $318 |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 300 | $1.60 | $480 |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 600 | $1.63 | $978 |
| Dec 10, 2010 | Musci Raymond | Exec VP, Corporate Development, Director | Buy(P) | 5K | $1.90 | $10K |
| Sep 28, 2010 | Burstein Lawrence | Director | Grant(A) | 38K | — | $0 |
| Sep 28, 2010 | Chazen Jerome A | Director | Grant(A) | 64K | — | $0 |
| Sep 28, 2010 | Dyne Mark | Director, 10% Owner | Grant(A) | 38K | — | $0 |
| Sep 28, 2010 | Ellin Robert S | Director | Grant(A) | 38K | — | $0 |
| Jun 30, 2010 | Plotts Thomas | Chief Financial Officer | Grant(A) | 250K | — | $0 |
| Jun 3, 2010 | Dyne Mark | Director, 10% Owner | Other(J) | 20K | — | — |
| Mar 31, 2010 | Plotts Thomas | Interim CFO | Option exercise(M) | 25K | — | — |
| Mar 31, 2010 | Plotts Thomas | Interim CFO | Option exercise(M) | 25K | — | — |
| Mar 31, 2010 | Plotts Thomas | Interim CFO | Tax withholding(F) | 10K | $0.82 | $8K |
| Jan 29, 2010 | Plotts Thomas | Interim CFO | Grant(A) | 25K | — | $0 |
| Jan 27, 2010 | Schwartz Jeffrey A | Chief Executive Officer, Director | Grant(A) | 500K | — | $0 |
| Jan 27, 2010 | Schwartz Jeffrey A | Chief Executive Officer, Director | Grant(A) | 500K | — | $0 |
| Jan 20, 2010 | Chazen Jerome A | Director | Other(J) | 41K | — | — |
| Jan 6, 2010 | Ellin Robert S | Director, 10% Owner | Other(J) | 1.3M | — | $0 |
| Dec 21, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 5K | $0.60 | $3K |
| Dec 14, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 528K | $0.65 | $343K |
| Dec 9, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 22K | $0.67 | $15K |
| Dec 8, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 86K | $0.66 | $57K |
| Nov 19, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 25K | $0.85 | $21K |
| Nov 16, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 51K | $0.85 | $43K |
| Nov 13, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 50K | $0.86 | $43K |
| Nov 12, 2009 | Ellin Robert S | Director, 10% Owner | Buy(P) | 11K | $0.85 | $9K |
| Sep 17, 2009 | Dyne Mark | Director | Grant(A) | 40K | — | — |
| Jun 25, 2009 | Greenberger Zachary | Chief Technology Officer | Grant(A) | 17K | — | — |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Protagenic Therapeutics, Inc., SEC CIK 0001022899. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under ATRN and shows every filing by that issuer (also filed as PTIX, PTIXW, ATRND, NWMO, MPNC, MPNC.OB).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-09. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for ATRN