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Insider Cluster Activity
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| Ticker | Type | Sentiment | Impact | Summary | Date |
|---|---|---|---|---|---|
| GILD | CLUSTER | neutral | 3/10 | Three GILD insiders, including the CFO and Chief Communications Officer, sold a total of ~$2.85M in open-market shares o | Aug 21, 2026 |
| MANE | CLUSTER | bearish | 5/10 | A significant insider selling cluster at Veradermics (MANE) saw CEO Reid Waldman, CTO Timothy Durso, and two directors s | Aug 21, 2026 |
| OMER | CLUSTER | neutral | 2/10 | Two OMER insiders sold a combined $362K in open-market sales over a 7-day window, with Director Thomas Cable selling $27 | Aug 21, 2026 |
| KROS | CLUSTER | neutral | 4/10 | Keros Therapeutics insiders executed a mixed cluster: one director bought $10K worth of shares, while three C-suite offi | Aug 21, 2026 |
| TWST | CLUSTER | neutral | 3/10 | Three Twist Bioscience insiders, CEO Emily Leproust, President/COO Patrick Finn, and Director Katryn Blake, sold a combi | Aug 21, 2026 |
| RCKT | CLUSTER | neutral | 4/10 | Four Rocket Pharmaceuticals insiders, including CEO Gaurav Shah and COO Christopher Stevens, sold a total of $164K in op | Aug 21, 2026 |
| ARWR | CLUSTER | neutral | 2/10 | Two directors at Arrowhead Pharmaceuticals sold a combined $1.19M in open-market sales on August 18, 2026. This is a sma | Aug 21, 2026 |
| CRL | CLUSTER | neutral | 3/10 | Three CRL insiders, including CEO Birgit Girshick, sold a total of ~$3.0M in shares over a 7-day window. The CEO's $1.82 | Aug 21, 2026 |
| CORT | CLUSTER | neutral | 4/10 | A cluster of insider selling at Corcept Therapeutics, led by Director David Mahoney ($12.2M) and CBO Gary Robb ($1.16M), | Aug 21, 2026 |
| NTHI | CLUSTER | bullish | 6/10 | Two top executives at NEONC TECHNOLOGIES (CEO Thomas Chen and President/CEO Amir Heshmatpour) made open-market purchases | Aug 20, 2026 |
| ADPT | CLUSTER | neutral | 4/10 | ADPT CEO Chad Robins and two directors sold a total of $8.19M in open-market stock over two days, with the CEO alone sel | Aug 20, 2026 |
| RPRX | CLUSTER | neutral | 3/10 | Two senior executives at Royalty Pharma (EVP/Chairman Hite and EVP/CFO Coyne) sold a combined $6.54M in open-market sale | Aug 20, 2026 |
| MIRM | CLUSTER | neutral | 3/10 | Two insiders at Mirum Pharmaceuticals sold a combined $4.60M in shares over a one-week window. SVP/Global Controller Jol | Aug 20, 2026 |
| ELVN | CLUSTER | neutral | 2/10 | Two C-suite insiders at Enliven Therapeutics (ELVN) sold a combined $310K in open-market sales on August 17, 2026. The C | Aug 20, 2026 |
| AVTX | CLUSTER | neutral | 3/10 | CFO Christopher Ryan and CMO Mittie executed derivative exercises and sold shares totaling ~$819K in open-market sales o | Aug 20, 2026 |
| CSTL | CLUSTER | neutral | 4/10 | Three top executives at Castle Biosciences, the CEO, CFO, and Chief Commercial Officer, sold a combined $826K in open-ma | Aug 19, 2026 |
| TAK | CLUSTER | neutral | 2/10 | Two Takeda insiders, the President of Global Supply & Quality and the Chief Human Resources Officer, sold a combined $59 | Aug 19, 2026 |
| INSM | CLUSTER | neutral | 4/10 | Two Insmed insiders sold a total of $32.6M in stock over the past week, including COO Roger Adsett's $31.96M sale and Di | Aug 19, 2026 |
| HALO | CLUSTER | neutral | 2/10 | CEO Helen Torley executed a large-scale option exercise and open-market sale program over Aug 17-19, 2026, selling a tot | Aug 19, 2026 |
| ADPT | CLUSTER | bearish | 5/10 | CEO Chad Robins and Director Peter Neupert executed large-scale option exercises and open-market sales totaling ~$18M ov | Aug 19, 2026 |
| REPL | CLUSTER | mixed | 6/10 | Replimune insiders show a mixed cluster: Baker Bros. (10% owner) bought $1.52M in the public offering at $12.06, while t | Aug 19, 2026 |
| ARQT | CLUSTER | neutral | 2/10 | Two insiders at Arcutis Biotherapeutics sold a combined $299K in open-market sales over a week, with Director Welgus How | Aug 19, 2026 |
| NTHI | CLUSTER | bullish | 5/10 | Two CEOs at NEONC TECHNOLOGIES (NTHI) made open-market purchases totaling $175K over a 7-day window, with the largest si | Aug 19, 2026 |
| RLAY | CLUSTER | bearish | 5/10 | Relay Therapeutics' CEO and CFO sold a combined $1.33M in open-market sales over a 4-day window, representing ~0.03% of | Aug 19, 2026 |
| LLY | CLUSTER | neutral | 3/10 | Two senior executives at Eli Lilly sold a combined $10.01M in stock over the past week, including the EVP of Internation | Aug 19, 2026 |
| ELAN | CLUSTER | bullish | 4/10 | Two ELAN insiders, Director Michael J. Harrington and General Counsel Shiv O'Neill, made open-market purchases totaling | Aug 19, 2026 |
| ZLAB | CLUSTER | neutral | 2/10 | A small insider selling cluster at Zai Lab involved a director selling $213K in open-market shares and the CFO surrender | Aug 19, 2026 |
| RYTM | CLUSTER | bearish | 6/10 | A cluster of insider selling at Rhythm Pharmaceuticals, totaling $9.95M in open-market sales across four senior executiv | Aug 19, 2026 |
| CSTL | CLUSTER | neutral | 3/10 | The CEO and CFO of Castle Biosciences collectively sold ~$775K in open-market stock on August 14, 2026. The CFO's sale o | Aug 19, 2026 |
| CORT | CLUSTER | bearish | 4/10 | Three Corcept insiders, including the Chief Business Officer and Chief Development Officer, sold a total of $1.82M in op | Aug 19, 2026 |