Technology / Semiconductor Equipment & Materials
Exclusive insider sentiment analysis for the Semiconductor Equipment & Materials sector. Track real-time Director purchases and institutional money flow to identify high-conviction opportunities before the market reacts.
| Filing Date | Trade Date | Ticker | Company Name | Reporting Person | Relationship | Industry | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-22 23:04 | 2026-05-21 | FORM | FORMFACTOR INC | Obregon-Jimenez Rebeca | Director | Semiconductor Equipment & Materials | SALE | $126.48 | 3,828 | $484,146 | 7,875 | -32.7% |
| 2026-05-22 22:45 | 2026-05-20 | COHU | COHU INC | BILODEAU STEVEN J | Director | Semiconductor Equipment & Materials | SALE | $44.85 | 10,257 | $460,026 | 52,272 | -16.4% |
| 2026-05-22 21:05 | 2026-05-21 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | Officer; EVP, Research, Dev. & Eng. | Semiconductor Equipment & Materials | SALE | $152.70 | 1,161 | $177,285 | 20,493 | -5.4% |
| 2026-05-22 21:05 | 2026-05-22 | ACLS | AXCELIS TECHNOLOGIES INC | Evans Eileen | Officer; EVP, General Counsel and Sec'y | Semiconductor Equipment & Materials | SALE | $155.51 | 926 | $143,998 | 31,295 | -2.9% |
| 2026-05-21 21:05 | 2026-05-20 | ACLS | AXCELIS TECHNOLOGIES INC | Tatnall Christopher | Officer; EVP Global Customer Operations | Semiconductor Equipment & Materials | SALE | $149.75 | 1,166 | $174,609 | 27,627 | -4.0% |
| 2026-05-22 00:17 | 2026-05-20 | KLIC | KULICKE & SOFFA INDUSTRIES INC | Yeo Mui Sung | Director | Semiconductor Equipment & Materials | SALE | $100.00 | 20,000 | $2,000,000 | 59,197 | -25.3% |
| 2026-05-21 21:51 | 2026-05-20 | FORM | FORMFACTOR INC | WHITE BRIAN C | Director | Semiconductor Equipment & Materials | SALE | $126.00 | 3,250 | $409,500 | 8,653 | -27.3% |
| 2026-05-21 21:48 | 2026-05-19 | FORM | FORMFACTOR INC | St Dennis Thomas | Director | Semiconductor Equipment & Materials | SALE | $115.84 | 1,000 | $115,840 | 31,873 | -3.0% |
| 2026-05-21 20:30 | 2026-05-19 | ACMR | ACM Research, Inc. | Dun Haiping | Director | Semiconductor Equipment & Materials | OPT+S | $66.22 | 5,000 | $331,111 | 0 | -100.0% |
| 2026-05-20 21:05 | 2026-05-19 | ACLS | AXCELIS TECHNOLOGIES INC | Quirk Jeanne | Director | Semiconductor Equipment & Materials | SALE | $140.22 | 1,789 | $250,854 | 11,400 | -13.6% |
| 2026-05-20 21:05 | 2026-05-19 | ACLS | AXCELIS TECHNOLOGIES INC | KURTZWEIL JOHN T | Director | Semiconductor Equipment & Materials | SALE | $138.79 | 3,500 | $485,771 | 32,990 | -9.6% |
| 2026-05-20 21:05 | 2026-05-19 | ACLS | AXCELIS TECHNOLOGIES INC | GRAVES GREGORY B | Director | Semiconductor Equipment & Materials | SALE | $141.61 | 3,225 | $456,697 | 5,473 | -37.1% |
| 2026-05-20 20:35 | 2026-05-19 | AMKR | AMKOR TECHNOLOGY, INC. | Faust Megan | Officer; CFO | Semiconductor Equipment & Materials | SALE | $64.60 | 1,000 | $64,600 | 133,138 | -0.7% |
| 2026-05-20 20:36 | 2026-05-18 | AMKR | AMKOR TECHNOLOGY, INC. | ROGERS MARK N | Officer; EVP & General Counsel | Semiconductor Equipment & Materials | OPT+S | $71.63 | 5,000 | $358,150 | 38,904 | -11.4% |
| 2026-05-20 16:09 | 2026-05-18 | TRT | TRIO-TECH INTERNATIONAL | ADELMAN JASON T | Director | Semiconductor Equipment & Materials | OPT+S | $16.37 | 49,975 | $818,326 | 40,000 | -55.5% |
| 2026-05-20 16:14 | 2026-05-18 | NVMI | NOVA LTD. | Garty Yaniv | Director | Semiconductor Equipment & Materials | SALE | $514.49 | 426 | $219,173 | 2,038 | -17.3% |
| 2026-05-20 16:16 | 2026-05-18 | NVMI | NOVA LTD. | Simon Zehava | Director | Semiconductor Equipment & Materials | SALE | $514.49 | 426 | $219,173 | 2,437 | -14.9% |
| 2026-05-20 16:18 | 2026-05-18 | NVMI | NOVA LTD. | Sagiv Sarit | Director | Semiconductor Equipment & Materials | SALE | $514.49 | 426 | $219,173 | 2,437 | -14.9% |
| 2026-05-19 21:40 | 2026-05-19 | ICHR | ICHOR HOLDINGS, LTD. | Titinger Jorge | Director | Semiconductor Equipment & Materials | SALE | $64.21 | 4,000 | $256,840 | 12,318 | -24.5% |
| 2026-05-19 18:27 | 2026-05-15 | TER | TERADYNE, INC | MATZ MARILYN | Director | Semiconductor Equipment & Materials | SALE | $338.98 | 800 | $271,184 | 19,041 | -4.0% |
| 2026-05-19 18:27 | 2026-05-15 | TER | TERADYNE, INC | Smith Gregory Stephen | Director, Officer; President and CEO | Semiconductor Equipment & Materials | OPT+S | $338.98 | 8,597 | $2,914,211 | 124,470 | -6.5% |
| 2026-05-19 00:33 | 2026-05-14 | UCTT | Ultra Clean Holdings, Inc. | McKibben Jeffrey L. | Officer; Chief Information Officer | Semiconductor Equipment & Materials | SALE | $87.00 | 4,205 | $365,835 | 11,349 | -27.0% |
| 2026-05-18 21:27 | 2026-05-14 | VECO | VEECO INSTRUMENTS INC | DAMORE RICHARD A | Director | Semiconductor Equipment & Materials | SALE | $60.71 | 43,701 | $2,653,088 | 112,594 | -28.0% |
| 2026-05-18 18:51 | 2026-05-15 | COHU | COHU INC | BOHRSON CHRISTOPHER | Officer; Sr VP & Chief Customer Officer | Semiconductor Equipment & Materials | SALE | $46.92 | 1,000 | $46,920 | 172,702 | -0.6% |
| 2026-05-18 18:11 | 2026-05-14 | ENTG | ENTEGRIS INC | Haris Clinton M. | Officer; SVP & President, APS Division | Semiconductor Equipment & Materials | OPT+S | $144.57 | 5,830 | $842,843 | 54,961 | -9.6% |
| 2026-05-18 18:11 | 2026-05-14 | ENTG | ENTEGRIS INC | Colella Joseph | Officer; SVP and General Counsel | Semiconductor Equipment & Materials | OPT+S | $140.17 | 6,326 | $886,715 | 50,121 | -11.2% |
| 2026-05-18 18:11 | 2026-05-14 | ENTG | ENTEGRIS INC | Blachier Olivier | Officer; SVP, Chief Strategy Officer | Semiconductor Equipment & Materials | OPT+S | $140.04 | 2,000 | $280,080 | 34,897 | -5.4% |
| 2026-05-18 18:12 | 2026-05-15 | ENTG | ENTEGRIS INC | Rice Susan G. | Officer; SVP, Global Human Resources | Semiconductor Equipment & Materials | OPT+S | $132.84 | 19,893 | $2,642,598 | 69,038 | -22.4% |
| 2026-05-15 20:24 | 2026-05-14 | IPGP | IPG PHOTONICS CORP | Desmond Jeanmarie F. | Director | Semiconductor Equipment & Materials | SALE | $105.58 | 1,690 | $178,430 | 10,486 | -13.9% |
| 2026-05-16 00:42 | - | AEHR | AEHR TEST SYSTEMS | SLAYEN HOWARD T | Director | Semiconductor Equipment & Materials | SALE | $104.73 | 6,819 | $714,154 | 169,709 | -3.9% |
| 2026-05-16 00:16 | 2026-03-05 | TRT | TRIO-TECH INTERNATIONAL | ADELMAN JASON T | Director | Semiconductor Equipment & Materials | SALE | $5.62 | 22,000 | $123,570 | 50,000 | -30.6% |
| 2026-05-16 00:00 | - | AEHR | AEHR TEST SYSTEMS | Siu Chris | Officer; CFO | Semiconductor Equipment & Materials | SALE | $107.06 | 2,070 | $221,608 | 5,706 | -26.6% |
| 2026-05-15 22:22 | 2026-05-15 | FORM | FORMFACTOR INC | STEVEN-WAISS KELLEY | Director | Semiconductor Equipment & Materials | SALE | $125.60 | 5,400 | $678,241 | 25,179 | -17.7% |
| 2026-05-15 22:29 | 2026-05-13 | FORM | FORMFACTOR INC | Titinger Jorge | Director | Semiconductor Equipment & Materials | SALE | $128.79 | 4,009 | $516,299 | 13,489 | -22.9% |
| 2026-05-15 21:05 | 2026-05-14 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | Officer; EVP, Research, Dev. & Eng. | Semiconductor Equipment & Materials | SALE | $162.32 | 1,015 | $164,750 | 17,293 | -5.5% |
| 2026-05-15 21:05 | 2026-05-14 | ACLS | AXCELIS TECHNOLOGIES INC | Sutton Todd | Officer; VP Corporate Controller | Semiconductor Equipment & Materials | SALE | $163.89 | 2,574 | $421,865 | 7,817 | -24.8% |
| 2026-05-15 01:15 | 2026-05-13 | COHU | COHU INC | BENDUSH WILLIAM | Director | Semiconductor Equipment & Materials | SALE | $49.14 | 7,500 | $368,550 | 24,780 | -23.2% |
| 2026-05-14 21:32 | 2026-05-13 | FORM | FORMFACTOR INC | SLESSOR MIKE | Director, Officer; CEO | Semiconductor Equipment & Materials | SALE | $126.52 | 9,438 | $1,194,064 | 447,037 | -2.1% |
| 2026-05-14 21:05 | 2026-05-13 | ACLS | AXCELIS TECHNOLOGIES INC | Redinbo Greg | Officer; EVP MARKETING AND APPLICATIONS | Semiconductor Equipment & Materials | SALE | $160.85 | 2,883 | $463,731 | 29,823 | -8.8% |
| 2026-05-14 21:05 | 2026-05-13 | ACLS | AXCELIS TECHNOLOGIES INC | Titinger Jorge | Director | Semiconductor Equipment & Materials | SALE | $164.14 | 2,000 | $328,280 | 4,477 | -30.9% |
| 2026-05-13 21:48 | 2026-05-13 | ICHR | ICHOR HOLDINGS, LTD. | Haugen Marc | Director | Semiconductor Equipment & Materials | SALE | $75.63 | 5,337 | $403,637 | 10,825 | -33.0% |
| 2026-05-13 21:05 | 2026-05-12 | ACLS | AXCELIS TECHNOLOGIES INC | Mahoney Robert John | Officer; EVP Global Operations | Semiconductor Equipment & Materials | SALE | $161.00 | 2,258 | $363,538 | 12,759 | -15.0% |
| 2026-05-13 21:17 | 2026-05-12 | VECO | VEECO INSTRUMENTS INC | HUNTER GORDON | Director | Semiconductor Equipment & Materials | SALE | $59.41 | 29,532 | $1,754,496 | 52,676 | -35.9% |
| 2026-05-13 20:38 | 2026-05-11 | AMKR | AMKOR TECHNOLOGY, INC. | Tily Gil C. | Director | Semiconductor Equipment & Materials | SALE | $77.30 | 15,000 | $1,159,500 | 108,806 | -12.1% |
| 2026-05-13 20:30 | 2026-05-11 | VECO | VEECO INSTRUMENTS INC | St Dennis Thomas | Director | Semiconductor Equipment & Materials | SALE | $61.93 | 1,400 | $86,702 | 61,697 | -2.2% |
| 2026-05-12 20:05 | 2026-05-11 | KLAC | KLA CORP | Hanley Jeneanne Michelle | Director | Semiconductor Equipment & Materials | SALE | $1,874.71 | 550 | $1,031,088 | 3,551 | -13.4% |
| 2026-05-12 20:08 | 2026-05-11 | COHU | COHU INC | BOHRSON CHRISTOPHER | Officer; Sr VP & Chief Customer Officer | Semiconductor Equipment & Materials | SALE | $51.28 | 1,500 | $76,920 | 173,702 | -0.9% |
| 2026-05-12 20:05 | 2026-05-11 | KLAC | KLA CORP | Kirloskar Virendra A | Officer; SVP & Chief Accounting Officer | Semiconductor Equipment & Materials | SALE | $1,879.02 | 297 | $558,069 | 1,957 | -13.2% |
| 2026-05-13 00:05 | 2026-05-11 | KLIC | KULICKE & SOFFA INDUSTRIES INC | Lim Zi Yao | Officer; General Counsel | Semiconductor Equipment & Materials | SALE | $102.98 | 1,500 | $154,463 | 21,214 | -6.6% |
| 2026-05-12 23:13 | 2026-05-08 | UCTT | Ultra Clean Holdings, Inc. | McKibben Jeffrey L. | Officer; Chief Information Officer | Semiconductor Equipment & Materials | SALE | $86.48 | 2,500 | $216,196 | 15,554 | -13.8% |
Strategic Analysis
Analyzing insider transactions within the Semiconductor Equipment & Materials sector provides critical insights into institutional sentiment. When multiple executives across different companies in the same industry exhibit similar buying patterns (cluster buying), it often signals an upcoming sector-wide recovery or undervalued market conditions.
Regulatory Transparency
Our platform tracks SEC Form 4 filings in real-time. We differentiate between routine option exercises and open-market purchases to give you a clear view of "Skin in the Game". Understanding the roles of Directors vs. 10% Owners helps prioritize signals that carry the most predictive weight.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.