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.
Key figures
- Insider buysLast 90 days, $30.7K in total
- 7
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −2 vs. previous quarter
- 2
- 13F valueReported value at the end of Q2 2026
- $25.4K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding PTIX, Q2 2026
No superinvestor reported holding PTIX at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Protagenic Therapeutics, Inc. insiders from Form 4, newest first.
| 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 |
Top 10 13F holders, Q2 2026
The largest institutional positions in Protagenic Therapeutics, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DRW Securities, LLC | 41,783 | $16.4K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 25,000 | $9.00K | 0.00% | 00.0% | Unchanged |