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Insider Cluster Activity
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| Ticker | Type | Sentiment | Impact | Summary | Date |
|---|---|---|---|---|---|
| AAOI | CLUSTER | bearish | 7/10 | AAOI insiders sold $9.16M in open-market shares on May 19, 2026, just 5 days after the company filed a $600M at-the-mark | May 19, 2026 |
| MRVL | CLUSTER | neutral | 2/10 | Two C-suite insiders at Marvell Technology sold a combined $2.03M in open-market sales over three days, representing jus | May 19, 2026 |
| ICHR | CLUSTER | neutral | 2/10 | Two ICHR directors sold a total of ~$660K in open-market sales over the past week, representing only 0.029% of market ca | May 19, 2026 |
| ALGM | CLUSTER | bearish | 5/10 | A cluster of insider open-market sales at Allegro MicroSystems (ALGM) totaling ~$2.61M occurred within days of a strong | May 19, 2026 |
| ALGM | CLUSTER | neutral | 2/10 | Three insiders at Allegro MicroSystems sold a combined $2.61M in stock over the past week, representing just 0.034% of m | May 19, 2026 |
| ARM | CLUSTER | neutral | 2/10 | Two ARM insiders (Chief Architect and Chief Legal Officer) sold shares totaling $5.26M in open-market transactions, repr | May 19, 2026 |
| MCHP | CLUSTER | neutral | 2/10 | Insider cluster at Microchip Technology consists of routine option exercises and tax-withholding transactions by the CEO | May 19, 2026 |
| MCHP | CLUSTER | neutral | 2/10 | Two MCHP insiders (COO and SVP Operations) sold a combined $2M worth of shares on May 13, 2026, just after the company r | 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 |
| 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 |
| ENTG | CLUSTER | neutral | 2/10 | Four ENTG senior executives (SVP-level in Finance, HR, APS Division, Strategy, and Legal) sold shares in a tight cluster | May 19, 2026 |
| TER | CLUSTER | neutral | 2/10 | CEO Gregory Smith sold $2.91M of stock and a director sold $271K on the same day, May 15. The CEO also exercised two set | May 19, 2026 |
| DIOD | CLUSTER | bearish | 5/10 | Five Diodes insiders, including CFO Brett Whitmire ($1.71M), CTO Francis Tang ($393K), and three other senior executives | May 19, 2026 |
| GUER | CLUSTER | neutral | 3/10 | Two insiders (CFO Michael John-Williams and Director James Dunn) made modest open-market purchases totaling $16K on May | May 19, 2026 |
| GUER | CLUSTER | neutral | 4/10 | GUER insiders bought $16K in open-market stock plus seven executives/directors received restricted stock grants (non-cas | May 19, 2026 |
| GUER | CLUSTER | neutral | 3/10 | Two insiders (Director and CFO) made small open-market purchases totaling ~$16K following a strong Q1 2026 earnings repo | May 19, 2026 |
| JKS | CLUSTER | bearish | 7/10 | Three JinkoSolar directors traded on May 13, 2026: Li Xianhua sold 1.28M shares (~$32.7M), Siew Wing Keong sold 16K shar | May 19, 2026 |
| TSM | CLUSTER | neutral | 2/10 | Two TSMC vice presidents filed Form 4s on the same day: VP Tien Bor-Zen bought $70K worth of shares, while VP Chuang Tzu | May 19, 2026 |
| UCTT | CLUSTER | neutral | 3/10 | Two UCTT insiders (General Counsel and CIO) collectively sold $540K in open-market sales over 8 days. At ~0.014% of the | May 18, 2026 |
| SITM | CLUSTER | bearish | 6/10 | A single large 10% owner, MegaChips Corp, sold $311.8M worth of SITM shares (~1.5% of market cap, a significant amount) | May 18, 2026 |
| AMBQ | CLUSTER | neutral | 4/10 | CEO and CTO of Ambiq Micro sold a combined $4.47M in open-market shares within days of a strong Q1 earnings beat (revenu | May 18, 2026 |
| AMBQ | CLUSTER | neutral | 4/10 | CEO Fumihide Esaka and President/COO Sean Chen sold a combined $6.48M in open-market shares at ~$70, just days after Amb | May 18, 2026 |
| SITM | CLUSTER | neutral | 5/10 | Multiple insiders sold $313M (1.5% of market cap) following an extremely strong Q1 earnings report (revenue +88%, non-GA | May 18, 2026 |
| MTSI | CLUSTER | neutral | 2/10 | A cluster of insider sales totaling $17.3M was filed within 2 weeks of MTSI's Q2 FY2026 earnings release (May 7), which | May 18, 2026 |
| GFS | CLUSTER | neutral | 2/10 | Three GFS insiders (Chief Legal Officer, Chief Customer Officer, Chief Strategy Officer) sold a total of ~$904K in open- | May 18, 2026 |
| ENTG | CLUSTER | neutral | 2/10 | Four SVPs at Entegris sold a total of ~$2.6M in shares, all tied to same-day option exercises. The amount is just 0.013% | May 18, 2026 |
| ENTG | CLUSTER | neutral | 2/10 | Two SVP-level insiders at Entegris sold a combined $1.39M in open-market stock on May 14, 2026, following derivative exe | May 18, 2026 |
| MRVL | CLUSTER | neutral | 2/10 | Chairman/ Both the CEO and CFO of Marvell sold shares in an open-market cluster totaling $2.03M over a three-day window. | May 18, 2026 |
| AIP | CLUSTER | neutral | 4/10 | Insiders at Arteris, including CEO and CFO, sold a total of $6.87M in shares over the past week, following a strong Q1 e | May 15, 2026 |
| MPWR | CLUSTER | neutral | 2/10 | Multiple MPWR insiders sold shares worth $7.34M, but this represents less than 0.01% of the $79.3B market cap, making th | May 15, 2026 |