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Insider Buy Activity
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| Ticker | Type | Sentiment | Impact | Summary | Date |
|---|---|---|---|---|---|
| KRRO | INSIDER-BUY | bullish | 5/10 | 🔒Lynx1 Capital Management, a 10% owner of Korro Bio, purchased 12,175 shares at $9.68 for $118K in an open-market transac | Oct 26, 2026 |
| PRTA | INSIDER-BUY | bullish | 5/10 | Prothena director and 10% owner William Scully purchased $819K in open-market shares on October 22, 2026, at $8.19 per s | Oct 26, 2026 |
| AGMB | INSIDER-BUY | bullish | 4/10 | Director David R. Epstein purchased 10,000 shares of AgomAb Therapeutics for $89K in two open-market trades on October 2 | Oct 22, 2026 |
| IAM | INSIDER-BUY | bullish | 6/10 | Director Evan Lockwood Rachlin made a single open-market purchase of 718,800 shares of Iambic Therapeutics at $16.00/sha | Oct 19, 2026 |
| PRTA | INSIDER-BUY | bullish | 5/10 | 10% owner William P. Scully purchased 100,000 shares of Prothena Corp for $835K in an open-market transaction on October | Oct 15, 2026 |
| INBX | INSIDER-BUY | bullish | 4/10 | CEO Mark Lappe purchased $426K of INBX stock in three open-market transactions on October 14, 2026, at an average price | Oct 14, 2026 |
| PRTA | INSIDER-BUY | bullish | 5/10 | 10% owner William P. Scully purchased 265,500 shares of Prothena for ~$2.30M in open-market transactions on September 28 | Sep 30, 2026 |
| KOD | INSIDER-BUY | bullish | 5/10 | Baker Bros. Advisors LP, a director and 10% owner, purchased 15,156 shares of Kodiak Sciences at $61.21 per share for a | Sep 29, 2026 |
| PRTA | INSIDER-BUY | bullish | 5/10 | 10% owner William P. Scully purchased 103,500 shares of Prothena Corp for $890K at $8.60 per share on September 28, 2026 | Sep 29, 2026 |
| ACOG | INSIDER-BUY | bullish | 5/10 | Opaleye Management Inc., a 10% owner of Alpha Cognition, purchased a total of 31,700 shares on the open market over two | Sep 28, 2026 |
| DMRA | INSIDER-BUY | bullish | 5/10 | Damora Therapeutics CEO Jarrett Jennifer made a single open-market purchase of 12,500 shares for $253K at $20.23/share o | Sep 28, 2026 |
| PRTA | INSIDER-BUY | bullish | 6/10 | 10% owner William P. Scully purchased $843K of Prothena (PRTA) stock on the open market at $8.43/share on September 18, | Sep 20, 2026 |
| ACOG | INSIDER-BUY | bullish | 4/10 | Opaleye Management Inc., a 10% owner of Alpha Cognition, purchased 43.8K shares for $380K in open-market transactions on | Sep 16, 2026 |
| NAMS | INSIDER-BUY | bullish | 5/10 | CEO Michael Davidson purchased $227K of NAMS stock on the open market at $22.65/share, a standalone conviction buy. This | Sep 16, 2026 |
| SLGL | INSIDER-BUY | bullish | 6/10 | Opaleye Management Inc., a 10% owner of Sol-Gel Technologies, has been aggressively buying shares on the open market, to | Sep 15, 2026 |
| SLGL | INSIDER-BUY | bullish | 7/10 | Opaleye Management Inc., a 10% owner of Sol-Gel Technologies, executed a concentrated open-market buying spree totaling | Sep 10, 2026 |
| ALMS | INSIDER-BUY | bullish | 5/10 | Director Srinivas Akkaraju made a single open-market purchase of 220,070 shares of ALMS for $2.46M on September 4, 2026, | Sep 9, 2026 |
| EIKN | INSIDER-BUY | bullish | 5/10 | A 10% owner, Column Group IV GP, LP, purchased $1.03M worth of EIKN shares on the open market at $11.56 per share on Sep | Sep 8, 2026 |
| INBX | INSIDER-BUY | bullish | 6/10 | CEO Mark Lappe purchased $2.65M of INBX stock across six open-market trades between September 1-8, 2026, at prices rangi | Sep 8, 2026 |
| SLGL | INSIDER-BUY | bullish | 7/10 | Opaleye Management Inc., a 10% owner of Sol-Gel Technologies, has purchased a total of $2.84M worth of SLGL shares in a | Sep 4, 2026 |
| PRTA | INSIDER-BUY | neutral | 3/10 | William P. Scully, a 10% owner of Prothena, purchased 27,000 shares on the open market for approximately $256K at $9.47/ | Sep 3, 2026 |
| SLGL | INSIDER-BUY | bullish | 6/10 | Opaleye Management Inc., a 10% owner of Sol-Gel Technologies, purchased $2.43M of SLGL shares in open-market transaction | Aug 31, 2026 |
| RGNX | INSIDER-BUY | bullish | 5/10 | Director Gregory Ciongoli made a $450K open-market purchase of RGNX shares at $9.14 on August 26, adding to a $500K purc | Aug 27, 2026 |
| IMTX | INSIDER-BUY | bullish | 6/10 | Director Perceptive Advisors LLC purchased 863,060 shares of Immatics N.V. for $7.5M at $8.69/share in a single open-mar | Aug 27, 2026 |
| GRML | INSIDER-BUY | bearish | 7/10 | CFO Jeff LeBlanc purchased $136K of GRML stock at $9.72/share in an open-market transaction, representing 0.43% of the c | Aug 25, 2026 |
| ACOG | INSIDER-BUY | neutral | 3/10 | Director Robert James Wills purchased 10,000 shares of Alpha Cognition Inc. (ACOG) on the open market for $96,200 at $9. | Aug 24, 2026 |
| PRTA | INSIDER-BUY | bullish | 4/10 | 10% owner William Scully made a $439K open-market purchase of PRTA shares at $8.79, adding to his position after gifting | Aug 21, 2026 |
| NATR | INSIDER-BUY | bullish | 5/10 | A 10% owner, Prescott Group Capital Management, purchased $941K of NATR stock over a week, including $294K at the lowest | Aug 19, 2026 |
| ASND | INSIDER-BUY | neutral | 3/10 | Director Jean Jacques Bienaime purchased $493K of ASND stock in two open-market transactions on August 14, 2026, at ~$24 | Aug 18, 2026 |
| PFE | INSIDER-BUY | bullish | 5/10 | Pfizer Chairman & CEO Albert Bourla made an open-market purchase of $1.0M worth of shares at $26.34 on August 12, 2026 — | Aug 17, 2026 |
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