Axcelis TechnologiesACLS
Semiconductors & chip supply chain
Insider transactions
Directors, officers and 10% owners, as reported on Forms 3, 4 and 5. Grants, option exercises and shares withheld for tax are shown but not counted as buying or selling.
- Open-market buys
- 0
- Open-market sales
- 23
- Shares bought
- 0
- Shares sold
- 45,372
Past 12 months · $0.00 bought, $6.4M sold
| Filed | Insider | Transaction | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| traded Sep 15, 2026 | Greg RedinboCStrat · EVP | Shares withheld for taxForm 4 | 208 | $105.04 | $21,848 | 34,816 |
| traded Sep 15, 2026 | Christopher TatnallEVP | Shares withheld for taxForm 4 | 136 | $105.04 | $14,285 | 27,491 |
| traded Jul 15, 2026 | David RyzhikCFO · SVP · Interim | Shares withheld for taxForm 4 | 94 | $145.01 | $13,631 | 9,790 |
| traded Jul 15, 2026 | David RyzhikCFO · SVP · Interim | Shares withheld for taxForm 4 | 127 | $145.01 | $18,416 | 9,884 |
| traded Jun 16, 2026 | David RyzhikCFO · SVP · Interim | Shares withheld for taxForm 4 | 76 | $176.85 | $13,440 | 9,955 |
| traded Jun 15, 2026 | Gerald M. BlumenstockEVP | Shares withheld for taxForm 4 | 506 | $191.60 | $96,950 | 19,987 |
| traded Jun 3, 2026 | Necip SayinerDirector | Open-market saleForm 4 | 1,586 | $157.44 | $249,703 | 7,112 |
| traded Jun 2, 2026 | Robert John MahoneyEVP | Open-market saleForm 4 | 1,155 | $155.24 | $179,302 | 14,410 |
| traded May 27, 2026 | Todd SuttonCtrl · VP | Open-market saleForm 4 | 2,000 | $159.99 | $319,980 | 6,360 |
| traded May 22, 2026 | Dennis Thomas StDirector | Open-market saleForm 4 | 900 | $155.37 | $139,833 | 17,695 |
| Eileen EvansCLO · EVP | Open-market saleForm 4 | 926 | $155.51 | $143,998 | 31,295 | |
| traded May 21, 2026 | Gerald M. BlumenstockEVP | Open-market saleForm 4 | 1,161 | $152.70 | $177,285 | 20,493 |
| traded May 20, 2026 | Christopher TatnallEVP | Open-market saleForm 4 | 1,166 | $149.75 | $174,608 | 27,627 |
| traded May 19, 2026 | Jeanne QuirkDirector | Open-market saleForm 4 | 1,789 | $140.22 | $250,854 | 11,400 |
| traded May 19, 2026 | Gregory B. GravesDirector | Open-market saleForm 4 | 2,625 | $141.41 | $371,188 | 6,073 |
| traded May 19, 2026 | Gregory B. GravesDirector | Open-market saleForm 4 | 600 | $142.52 | $85,509 | 5,473 |
| traded May 19, 2026 | John T. KurtzweilDirector | Open-market saleForm 4 | 3,500 | $138.79 | $485,772 | 32,990 |
| traded May 18, 2026 | Robert John MahoneyEVP | Shares withheld for taxForm 4 | 182 | $146.24 | $26,616 | 15,695 |
| traded May 18, 2026 | Russell LowCEO · Pres · Director | Shares withheld for taxForm 4 | 711 | $146.24 | $103,977 | 154,900 |
| traded May 18, 2026 | Robert John MahoneyEVP | Shares withheld for taxForm 4 | 130 | $146.24 | $19,011 | 15,565 |
| traded May 18, 2026 | Todd SuttonCtrl · VP | Shares withheld for taxForm 4 | 184 | $146.24 | $26,908 | 8,360 |
| traded May 18, 2026 | Greg RedinboEVP | Shares withheld for taxForm 4 | 111 | $146.24 | $16,233 | 35,103 |
| traded May 18, 2026 | Greg RedinboEVP | Shares withheld for taxForm 4 | 79 | $146.24 | $11,553 | 35,024 |
| traded May 15, 2026 | Gerald M. BlumenstockEVP | Grant or awardForm 4 | 2,725 | $0.00 | $0.00 | 20,018 |
| traded May 15, 2026 | Russell LowCEO · Pres · Director | Grant or awardForm 4 | 19,466 | $0.00 | $0.00 | 162,502 |
| traded May 15, 2026 | Gerald M. BlumenstockEVP | Shares withheld for taxForm 4 | 345 | $155.18 | $53,537 | 21,654 |
| traded May 15, 2026 | Eileen EvansCLO · EVP | Grant or awardForm 4 | 3,893 | $0.00 | $0.00 | 29,195 |
| traded May 15, 2026 | Eileen EvansCLO · EVP | Grant or awardForm 4 | 3,893 | $0.00 | $0.00 | 33,088 |
| traded May 15, 2026 | Gerald M. BlumenstockEVP | Grant or awardForm 4 | 2,725 | $0.00 | $0.00 | 22,743 |
| traded May 15, 2026 | Russell LowCEO · Pres · Director | Grant or awardForm 4 | 19,466 | $0.00 | $0.00 | 143,036 |
| traded May 15, 2026 | Eileen EvansCLO · EVP | Shares withheld for taxForm 4 | 867 | $155.18 | $134,541 | 32,221 |
| traded May 15, 2026 | Gerald M. BlumenstockEVP | Shares withheld for taxForm 4 | 744 | $155.18 | $115,454 | 21,999 |
| traded May 15, 2026 | Robert John MahoneyEVP | Grant or awardForm 4 | 1,947 | $0.00 | $0.00 | 14,706 |
| traded May 15, 2026 | Russell LowCEO · Pres · Director | Shares withheld for taxForm 4 | 1,722 | $155.18 | $267,220 | 157,064 |
| traded May 15, 2026 | Russell LowCEO · Pres · Director | Shares withheld for taxForm 4 | 3,716 | $155.18 | $576,649 | 158,786 |
| traded May 15, 2026 | Robert John MahoneyEVP | Shares withheld for taxForm 4 | 372 | $155.18 | $57,727 | 16,281 |
| traded May 15, 2026 | Russell LowCEO · Pres · Director | Shares withheld for taxForm 4 | 1,453 | $155.18 | $225,477 | 155,611 |
| traded May 15, 2026 | Robert John MahoneyEVP | Grant or awardForm 4 | 1,947 | $0.00 | $0.00 | 16,653 |
| traded May 15, 2026 | Robert John MahoneyEVP | Shares withheld for taxForm 4 | 173 | $155.18 | $26,846 | 16,108 |
| traded May 15, 2026 | Robert John MahoneyEVP | Shares withheld for taxForm 4 | 170 | $155.18 | $26,381 | 15,938 |