PTIX
Protagenic Therapeutics, Inc.
NASDAQ · Healthcare · Biotechnology · US
$0.95
−5.00%7
Insider buys (3m)
0
Insider sells (3m)
$30.7K
Net value (3m)
+112.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 24, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF | Purchase | 20,000 | $0.65 |
| Aug 20, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF | Purchase | 16,634 | $0.59 |
| Aug 20, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF | Purchase | 2,700 | $0.35 |
| Aug 12, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF | Purchase | 2,220 | $0.32 |
| Aug 10, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF | Purchase | 685 | $0.22 |
| Aug 6, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF | Purchase | 5,000 | $0.26 |
| Aug 3, 2026 | ARMEN GARO H · director, officer: EXEC. CHAIR & PRINCIPAL OFF. | Purchase | 26,291 | $0.18 |
| Apr 1, 2024 | WRIGHT TIMOTHY R · director | A-Award | 21,250 | $1.74 |
| Mar 29, 2024 | Corvese Brian · director | A-Award | 43,750 | $1.74 |
| Mar 29, 2024 | Buell Jennifer · director | A-Award | 75,000 | $1.74 |
| Mar 29, 2024 | Barrage Khalil · director | A-Award | 22,500 | $1.74 |
| Mar 29, 2024 | Stein Robert Benjamin · director | A-Award | 75,000 | $1.74 |
| Mar 29, 2024 | Arrow Alexander K. · officer: Chief Financial Officer | A-Award | 100,000 | $1.74 |
| Mar 29, 2024 | ARMEN GARO H · director, 10 percent owner, officer: Executive Chairman | A-Award | 250,000 | $1.74 |
| Oct 13, 2023 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 8,000 | $0.81 |
| May 18, 2022 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 8,000 | $0.72 |
| May 18, 2022 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 23,000 | $0.71 |
| Jun 3, 2021 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 100 | $4.98 |
| Jun 3, 2021 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 16,900 | $4.98 |
| Jun 1, 2021 | Barrage Khalil · director | A-Award | 180,000 | $3.65 |
| Jun 1, 2021 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 3,000 | $4.98 |
| May 20, 2021 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 18,000 | $4.98 |
| May 20, 2021 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 12,000 | $4.98 |
| May 5, 2021 | Barrage Khalil · director | M-Exempt | 45,000 | $1.25 |
| May 5, 2021 | Barrage Khalil · director | M-Exempt | 150,000 | $1.25 |
| May 5, 2021 | Barrage Khalil · director | M-Exempt | 120,000 | $1.75 |
| May 3, 2021 | Arrow Alexander K. · officer: Chief Financial Officer | Purchase | 1,000 | $2.29 |
| Jul 21, 2020 | Buell Jennifer · director | A-Award | 145,000 | $1.75 |
| Jul 21, 2020 | Arrow Alexander K. · officer: Chief Financial Officer | A-Award | 124,998 | $1.75 |
| Feb 26, 2020 | Barrage Khalil · director | A-Award | 120,000 | $1.75 |
Institutional positioning
13F filings over the trailing two quarters
New 1Increased 0Reduced 1Sold out 5
| Filer | Action | Shares | Filed |
|---|---|---|---|
| DRW SECURITIES, LLC | Reduced | 41,783 | May 13, 2026 |
| FNY INVESTMENT ADVISERS, LLC | Unchanged | 25,000 | Apr 15, 2026 |
| CORECAP ADVISORS, LLC | New Position | 100 | Apr 7, 2026 |
| United Financial Planning Group LLC | Unchanged | 17 | May 8, 2026 |
| United Financial Planning Group LLC | Sold Out | 0 | May 8, 2026 |
| MORGAN STANLEY | Sold Out | 0 | May 27, 2026 |
| FNY Investment Advisers, LLC | Sold Out | 0 | Apr 15, 2026 |
| CoreCap Advisors, LLC | Sold Out | 0 | Apr 7, 2026 |
| DRW Securities, LLC | Sold Out | 0 | May 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 24, 2026