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Insider Cluster Activity
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| Ticker | Type | Sentiment | Impact | Summary | Date |
|---|---|---|---|---|---|
| ARM | CLUSTER | neutral | 3/10 | Five C-suite insiders at ARM sold a total of $23.24M in open-market sales over a 4-day window (May 18-21, 2026). The CFO | May 22, 2026 |
| MRAM | CLUSTER | bearish | 6/10 | CEO Aggarwal and CFO Cooper sold $3.0M of stock in open-market sales during May 18-20, joined by directors Ribar and Haw | May 22, 2026 |
| MRAM | CLUSTER | bearish | 6/10 | Multiple MRAM insiders, including directors and the CEO, sold shares totaling ~$4.43M over a one-week window. The CEO's | May 22, 2026 |
| GSIT | CLUSTER | bearish | 5/10 | Two GSIT insiders, the CFO and VP of Sales, sold a combined $732K in open-market shares within the same week as the comp | May 22, 2026 |
| MRAM | CLUSTER | bearish | 6/10 | Four insiders at Everspin Technologies sold a total of $4.43M in shares over a 7-day window through May 21. The CEO alon | May 22, 2026 |
| ALGM | CLUSTER | neutral | 2/10 | Three insiders sold a total of $1.1M in ALGM stock, representing a trivial 0.013% of market cap. Sales are routine and l | May 22, 2026 |
| SITM | CLUSTER | bearish | 7/10 | SiTime insiders executed a cluster of transactions over the past week, dominated by a massive $311.8M open-market sale b | May 22, 2026 |
| TSM | CLUSTER | neutral | 2/10 | A cluster of insider trades at TSMC shows a VP making small open-market purchases totaling ~$77K while another VP sold $ | May 22, 2026 |
| LASR | CLUSTER | neutral | 4/10 | Three insiders at NLIGHT, including the CEO and CFO, sold a total of $4.70M in open-market sales over a 7-day window. Th | May 21, 2026 |
| MRVL | CLUSTER | neutral | 2/10 | CEO Matthew Murphy and CFO Willem Meintjes sold a combined $2.03M in open-market MRVL shares over a 3-day window, repres | May 21, 2026 |
| ALAB | CLUSTER | neutral | 3/10 | Three top insiders at Astera Labs (CEO, COO, General Counsel) sold a combined $34.74M in open-market transactions over t | May 21, 2026 |
| MRAM | CLUSTER | bearish | 6/10 | Three insiders at Everspin Technologies, including the CEO and CFO, sold a total of $3.63M in open-market shares over a | May 21, 2026 |
| FORM | CLUSTER | neutral | 2/10 | FormFactor executives and directors sold a total of $1.81M in open-market stock over a 7-day window. All four selling ev | May 21, 2026 |
| FORM | CLUSTER | neutral | 2/10 | Four insiders at FormFactor sold a total of $1.40M in open-market transactions over a week, including CEO Mike Slessor ( | May 21, 2026 |
| MRAM | CLUSTER | bearish | 5/10 | CEO Sanjeev Aggarwal and a director sold $3.34M worth of MRAM shares over a 5-day window, with the CEO's $2.70M open-mar | May 21, 2026 |
| ARM | CLUSTER | neutral | 3/10 | Three ARM insiders (CFO, Chief People Officer, Chief Architect) sold a total of $13.1M in open-market shares over a 3-da | May 21, 2026 |
| DIOD | CLUSTER | neutral | 2/10 | Insiders at Diodes sold $1.9M in stock over the past week, including CFO Brett Whitmire ($1.71M) and SVP Emily Yang (~$1 | May 21, 2026 |
| TSM | CLUSTER | neutral | 2/10 | Two TSM vice presidents traded in opposite directions on May 19, 2026: VP Chuang Tzu-Sou sold 200,000 shares for $13.97M | May 21, 2026 |
| MPWR | CLUSTER | neutral | 3/10 | CEO Michael Hsing and EVP Maurice Sciammas sold a combined $10.8M in MPWR stock within a week, representing ~0.015% of t | May 20, 2026 |
| ALAB | CLUSTER | neutral | 2/10 | Astera Labs CEO Jitendra Mohan and General Counsel Philip Mazzara sold a combined $2.59M in open-market sales over two d | May 20, 2026 |
| MPWR | CLUSTER | neutral | 3/10 | Two MPWR insiders, including the EVP of WW Sales & Marketing, sold a total of $5.81M in open-market sales over a 7-day w | May 20, 2026 |
| MTSI | CLUSTER | neutral | 3/10 | A cluster of insider sales at MACOM Technology Solutions (MTSI) totaling ~$17.3M over the past week follows the company' | May 20, 2026 |
| AIP | CLUSTER | neutral | 4/10 | Two insiders at Arteris sold a total of $2.51M in open-market sales within a week of the company's strong Q1 earnings be | May 20, 2026 |
| MTSI | CLUSTER | neutral | 4/10 | Director Peter Y. Chung sold 43,268 shares for ~$16.4M at $378.20, dominating this insider cluster alongside two smaller | May 20, 2026 |
| MTSI | CLUSTER | neutral | 4/10 | Director Peter Y. Chung sold 43,268 shares for $16.4M at ~$378, representing the bulk of a $17.3M insider selling cluste | May 20, 2026 |
| MTSI | CLUSTER | neutral | 3/10 | Three directors at MACOM sold a combined $17.25M in open-market shares in the week following strong Q2 FY2026 earnings ( | May 20, 2026 |
| PENG | CLUSTER | neutral | 3/10 | Two directors at Penguin Solutions made open-market sales totaling $456K over a 5-day window, with no insider purchases | May 20, 2026 |
| SYNA | CLUSTER | neutral | 3/10 | Two Synaptics insiders (Vikram Gupta and Lisa Bodensteiner) sold a combined $150K in open-market sales on May 19, 2026, | May 20, 2026 |
| LASR | CLUSTER | mixed | 5/10 | CEO Scott Keeney sold $6.4M of LASR stock at ~$70-75 over two days immediately following a record Q1 earnings beat (reve | May 19, 2026 |
| FORM | CLUSTER | neutral | 3/10 | Three FORM insiders sold a total of $1.28M in open-market sales over a week, representing only 0.014% of market cap. The | May 19, 2026 |