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| Ticker | Type | Sentiment | Impact | Summary | Date |
|---|---|---|---|---|---|
| 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 |
| ICHR | 8-K | bearish | 5/10 | Ichor Holdings entered into an at-the-market (ATM) equity distribution agreement to sell up to $200M in ordinary shares | May 18, 2026 |
| ICHR | 424B5 | bearish | 5/10 | Ichor Holdings filed a prospectus supplement for an at-the-market offering of up to $200M in ordinary shares, with net p | 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 |
| AXTI | DEFA14A | neutral | 2/10 | AXT Inc. filed DEFA14A definitive additional materials urging stockholders who have not yet voted to cast their ballots | 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 |
| POET | 424B5 | bearish | 6/10 | POET Technologies is raising approximately $400 million through a registered direct offering of 19,047,620 common shares | May 18, 2026 |
| IPWR | 424B5 | bearish | 7/10 | Ideal Power is raising approximately $27.7 million in net proceeds through a registered direct offering of 3,220,961 com | May 18, 2026 |
| AMAT | ANALYST-DOWNGRADE | bearish | 5/10 | Morgan Stanley double downgraded from Overweight to Equal-Weight with a $502 price target of $502, a 15% upside from the | 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 |
| MRAM | CLUSTER | neutral | 4/10 | Two Everspin directors sold a total of $1.76M in open-market transactions over a week, representing 0.18% of market cap. | May 15, 2026 |
| FORM | CLUSTER | neutral | 2/10 | Two FormFactor insiders, Director Kelley and CEO Slessor, sold a combined $764K in open-market sales over a 7-day window | May 15, 2026 |
| MTSI | CLUSTER | neutral | 2/10 | Two directors sold a combined $891K in open-market sales over a 7-day window, representing ~0.003% of MTSI's $29.3B mark | May 15, 2026 |
| AMBA | DEFA14A | neutral | 2/10 | Ambarella filed definitive additional proxy materials (DEFA14A) for its 2026 Annual Meeting of Shareholders to be held o | May 15, 2026 |
| AMD | CLUSTER | neutral | 2/10 | Minor insider selling cluster at AMD: CEO Lisa Su sold $347K and EVP/CSO Paul Grasby sold $10.83M in open-market transac | May 15, 2026 |
| BEEM | 8-K | bearish | 6/10 | Beam Global reported Q1 2026 revenue of $3.1M, down 51% YoY and missing consensus of $7.3M. GAAP EPS of $(0.33) missed t | May 15, 2026 |
| ICHR | 144 | neutral | 2/10 | Director Thomas M. Rohrs filed a Form 144 indicating intent to sell 10,000 common shares (~$733K) for a trust. The sale | May 15, 2026 |
| TXN | CLUSTER | neutral | 2/10 | Two TXN insiders (a director and a Sr. VP) sold a combined $4.04M in open-market sales over a 4-day window. The CFO also | May 15, 2026 |
| AMKR | CLUSTER | neutral | 2/10 | Two directors of Amkor Technology sold a total of $4.87M in open-market sales, representing only 0.027% of the company's | May 15, 2026 |
| BEEM | PRESS-RELEASE | bearish | 5/10 | Beam Global reported Q1 2026 revenue of $3.1M, down 51% YoY, and a GAAP net loss of $(0.33) per share, missing the conse | May 15, 2026 |
| AMKR | CLUSTER | neutral | 3/10 | Two Amkor directors sold a total of $4.87M in open-market sales over a 5-day window, representing 0.027% of the company' | May 15, 2026 |
| AIP | 144 | bearish | 5/10 | Nicholas B. Hawkins, an officer of Arteris, filed a Form 144 to sell 221,035 shares of common stock with an estimated ag | May 15, 2026 |
| MPWR | CLUSTER | neutral | 3/10 | Four MPWR insiders sold a total of $7.34M in stock over a one-week window, led by EVP Xiao Deming ($5.49M). The sales re | May 15, 2026 |