PTIX · ISSUER CIK 1022899
Protagenic Therapeutics, Inc.\new
Between Aug 1, 2026 and Oct 29, 2026, 1 Protagenic Therapeutics, Inc.\new insiders reported $31K of open-market purchases and $0.00 of sales on SEC Form 4. The largest buyer was Armen Garo H (EXEC. CHAIR & PRINCIPAL OFF, Director), with $31K.
↗1 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. No open-market sales in the window.
$31KInsider buying
$0.00Insider selling
+$31KNet open-market
Aug 24, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 24, 202613:20 | Aug 21, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF, Director | P · Buy | $0.65 | +20,000 | 73,533 | +37% | +$13K | -4.4% | -0.6% |
| Aug 20, 202620:20 | Aug 20, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF, Director | P · Buy | $0.59 | +16,634 | 53,533 | +45% | +$10K | -13.3% | +9.5% |
| Aug 20, 202609:23 | Aug 19, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF, Director | P · Buy | $0.35 | +2,700 | 36,899 | +8% | +$945.00 | -48.5% | +84.6% |
| Aug 12, 202618:51 | Aug 11, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF, Director | P · Buy | $0.32 | +2,220 | 34,199 | +7% | +$710.40 | -52.9% | +101.9% |
| Aug 10, 202610:17 | Aug 6, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF, Director | P · Buy | $0.22 | +685 | 31,979 | +2% | +$150.70 | -72.2% | +193.6% |
| Aug 6, 202620:29 | Aug 5, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF, Director | P · Buy | $0.26 | +5,000 | 31,294 | +19% | +$1K | -67.2% | +149.6% |
| Aug 3, 202617:29 | Jul 30, 2026 | PTIX | EXEC. CHAIR & PRINCIPAL OFF., Director | P · Buy | $0.18 | +26,291 | 26,291 | New | +$5K | -77.2% | +253.4% |