Protagenic Therapeutics, Inc.
PTIX- Exchange
- OTC
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001022899
In the last 90 days, Protagenic Therapeutics, Inc. insiders filed 7 open-market purchases and 0 sales; 2 institutions reported holding it in 13F filings for Q2 2026, worth $25.4K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Protagenic Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 7 filings
- 1 insider, $30.7K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$30.7K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Protagenic Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Armen Garo H | EXEC. CHAIR & PRINCIPAL OFF | 73,533 | Aug 24, 2026 | 7 |
| Wright Timothy R | Director | – | Apr 1, 2024 | 0 |
| Corvese Brian | Director | – | Mar 29, 2024 | 0 |
| Arrow Alexander K. | Chief Financial Officer | 45,815 | Mar 29, 2024 | 0 |
| Stein Robert Benjamin | Director | – | Mar 29, 2024 | 0 |
| Barrage Khalil | Director | – | Mar 29, 2024 | 0 |
| Buell Jennifer | Director | – | Mar 29, 2024 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 24, 2026 (view filing)1:20 PM ET | Aug 21 | 3 days | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF | PPurchase | +20.0K | $0.65 | +$13.0K | +37.4%73.5K after | |
| Aug 20, 2026 (view filing)8:20 PM ET | Aug 20 | Same day | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF | PPurchase | +16.6K | $0.5898 | +$9.81K | +45.1%53.5K after | |
| Aug 20, 2026 (view filing)9:23 AM ET | Aug 19 | 1 day | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF | PPurchase | +2.70K | $0.35 | +$945 | +7.9%36.9K after | |
| Aug 12, 2026 (view filing)6:51 PM ET | Aug 11 | 1 day | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF | PPurchase | +2.22K | $0.32 | +$710.4 | +6.9%34.2K after | |
| Aug 10, 2026 (view filing)10:17 AM ET | Aug 6 | 4 days | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF | PPurchase | +685 | $0.22 | +$150.7 | +2.2%32.0K after | |
| Aug 6, 2026 (view filing)8:29 PM ET | Aug 5 | 1 day | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF | PPurchase | +5.00K | $0.2588 | +$1.29K | +19.0%31.3K after | |
| Aug 3, 2026 (view filing)5:29 PM ET | Jul 30 | 4 days | Armen Garo HEXEC. CHAIR & PRINCIPAL OFF. | PPurchase | +26.3K | $0.1828 | +$4.81K | New position26.3K after | |
| Oct 13, 2023 (view filing) | Oct 12 | 1 day | Arrow Alexander K.Chief Financial Officer | PPurchasePTIX Common Stock | +8.00K | $0.81 | +$6.48K | +21.2%45.8K after | |
| May 18, 2022 (view filing) | May 17-18 | 1 day | Arrow Alexander K.Chief Financial Officer | PPurchasePTIX Common Stock | +31.0K | $0.7126 | +$22.1K | +25.8%151.3K after | 2 lots |