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Insider Cluster Activity
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| Ticker | Type | Sentiment | Impact | Summary | Date |
|---|---|---|---|---|---|
| ACOG | CLUSTER | bullish | 5/10 | Two insiders at Alpha Cognition (ACOG) made open-market purchases totaling ~$119K over a 7-day window. The COO bought $2 | May 19, 2026 |
| MCHP | CLUSTER | neutral | 2/10 | Two C-suite insiders (COO and SVP Ops) sold a combined ~$2M in open-market sales, representing only 0.004% of MCHP's $50 | May 19, 2026 |
| VITL | CLUSTER | neutral | 3/10 | Seven Vital Farms insiders made open-market purchases totaling ~$351K (0.1% of market cap) in the week following a disas | May 19, 2026 |
| SRE | CLUSTER | neutral | 3/10 | Two Sempra insiders sold a combined $537K in open-market transactions over a 5-day window. The sales are trivial relativ | May 19, 2026 |
| DDOG | CLUSTER | neutral | 2/10 | A cluster of insider sales at Datadog totaling $6.42M over a 7-day window represents a trivial 0.0086% of the $74.3B mar | May 19, 2026 |
| MAX | CLUSTER | neutral | 2/10 | Two C-suite insiders at MediaAlpha (CTO and General Counsel) sold a combined $137K in open-market shares on May 15, 2026 | May 19, 2026 |
| PUBM | CLUSTER | bearish | 5/10 | CEO Rajeev Goel and CAO Lisa Gimbel sold a combined $449K in open-market sales within a week of PubMatic's Q1 2026 earni | May 19, 2026 |
| ELAN | CLUSTER | bullish | 5/10 | CEO Jeffrey Simmons and executive Rajeev Modi made open-market purchases totaling ~$200K on May 15, 2026, just 9 days af | May 19, 2026 |
| MGRC | CLUSTER | neutral | 2/10 | Two senior officers (SVP/Chief Accounting Officer and Chief Strategy Officer) sold $124K of MGRC stock on May 15, 2026, | May 19, 2026 |
| LZ | CLUSTER | mixed | 5/10 | LegalZoom insiders show a mixed pattern: CEO Jeff Stibel made a $769K open-market purchase on May 11, while CFO Noel Wat | May 19, 2026 |
| DXCM | CLUSTER | neutral | 2/10 | Two DexCom insiders, Director Bridgette P. Heller and EVP/Chief Legal Officer Michael Jon Brown, executed open-market sa | May 19, 2026 |
| THG | CLUSTER | neutral | 2/10 | Two THG insiders executed small open-market sales totaling $874K, representing 0.013% of market cap. The CEO sold 375 sh | May 19, 2026 |
| UTHR | CLUSTER | neutral | 2/10 | UTHR's CEO, CFO, and a director sold shares worth $271K in aggregate over a week following Q1 2026 earnings that showed | May 19, 2026 |
| BBIO | CLUSTER | neutral | 3/10 | A cluster of insider selling at BridgeBio Pharma (BBIO) occurred in the week following the Q1 2026 earnings release and | May 19, 2026 |
| ALHC | CLUSTER | bearish | 5/10 | CEO John Kao sold $4.73M and President Dawn Maroney sold $483K in open-market sales within a week, totaling $5.22M (0.15 | May 19, 2026 |
| MRP | CLUSTER | bullish | 5/10 | Insider cluster at Millrose Properties shows $5.46M in open-market purchases, led by a $5.33M buy from key insider Richm | May 19, 2026 |
| UIS | CLUSTER | neutral | 2/10 | Two Unisys insiders sold a total of $73K in open-market sales over a week, with a director selling $49K and the VP/CAO s | May 19, 2026 |
| CME | CLUSTER | neutral | 2/10 | CME Chairman/CEO Terrence Duffy sold $7.75M and the Chief HR Officer sold $1.75M of stock in a 7-day window. Total insid | May 19, 2026 |
| TWLO | CLUSTER | neutral | 4/10 | Two TWLO insiders, CFO Aidan Viggiano ($94K) and Director Andrew Stafman ($130.64M), sold a combined $130.7M in open-mar | May 19, 2026 |
| ZLAB | CLUSTER | bearish | 6/10 | CEO Du Ying sold $3.3M worth of ZLAB shares over a 5-day window, primarily through same-day option exercises and open-ma | May 19, 2026 |
| NCLH | CLUSTER | bullish | 5/10 | Two NCLH directors (Brian P. MacDonald and Jose E. Cil) made open-market purchases totaling $324K over a 7-day window, w | May 19, 2026 |
| OI | CLUSTER | mixed | 4/10 | Five O-I Glass insiders, including the CFO and three other C-suite executives, made open-market purchases totaling ~$279 | May 19, 2026 |
| TDG | CLUSTER | neutral | 2/10 | Two TransDigm insiders, including Co-COO Joel Reiss and Director W. Nicholas Howley, executed open-market sales totaling | May 19, 2026 |
| MRAM | CLUSTER | bearish | 5/10 | Three MRAM insiders (CEO and two directors) sold a combined $2.11M in open-market shares over a one-week window ending M | May 19, 2026 |
| LAW | CLUSTER | neutral | 3/10 | Four C-suite insiders at CS Disco sold shares on May 18 at $3.61, raising $114K total (0.05% of $233M market cap), while | May 19, 2026 |
| HSY | CLUSTER | neutral | 2/10 | Over the past week, CFO Steven Voskuil and the Milton Hershey School trust sold a combined $1.07M in HSY shares. At ~0.0 | May 19, 2026 |
| BCRX | CLUSTER | neutral | 3/10 | Two BioCryst insiders sold a total of $697K in open-market sales within a week of Q1 2026 earnings. The CLO exercised 62 | May 19, 2026 |
| VRTX | CLUSTER | neutral | 2/10 | Two EVP-level insiders at Vertex (CMO and Chief Scientific Officer) sold open-market shares on the same day for a combin | May 19, 2026 |
| MCRB | CLUSTER | neutral | 2/10 | Four corporate officers and one director sold a total of 474 shares for ~$3,569 in open-market transactions on May 18, 2 | May 19, 2026 |
| KALV | CLUSTER | neutral | 2/10 | Two C-suite insiders, the CEO and CMO of KalVista, made nominal open-market sales totaling $58K (-0.004% of $1.4B market | May 19, 2026 |