ACLS · Axcelis Technologies Inc. Common Stock
View on chartInsiders & Stakes
| Mary G. Puma President and CEO | ▼ Sell | Tax Withholding | 231,976 Shares held | 5/9/2024 | View profile |
| Low Russell EVP, Engineering | ▼ Sell | Tax Withholding | 154,900 Shares held | 5/18/2026 | View profile |
| COOGAN JAMES GORDON EVP and CFO | ▼ Sell | Tax Withholding | 37,144 Shares held | 3/2/2026 | View profile |
| Redinbo Greg EVP Marketing and Applications | ▼ Sell | Tax Withholding | 35,024 Shares held | 5/18/2026 | View profile |
| FAUBERT RICHARD J Director | ▼ Sell | Open Market | 33,625 Shares held | 8/12/2022 | View profile |
| KURTZWEIL JOHN T Director | ▼ Sell | Open Market | 32,990 Shares held | 5/19/2026 | View profile |
| Evans Eileen EVP, General Counsel and Sec'y | ▼ Sell | Open Market | 31,295 Shares held | 5/22/2026 | View profile |
| Bintz William J EVP, Product Development | ▼ Sell | Open Market | 31,173 Shares held | 11/23/2022 | View profile |
| Tatnall Christopher EVP Global Customer Operations | ▼ Sell | Open Market | 27,627 Shares held | 5/20/2026 | View profile |
| FALLON LYNNETTE C Executive VP, HR/Legal | ▼ Sell | Tax Withholding | 27,323 Shares held | 1/3/2025 | View profile |
| Blumenstock Gerald M EVP, Engineering | ▼ Sell | Tax Withholding | 19,987 Shares held | 6/15/2026 | View profile |
| BREWER KEVIN J EVP & Chief Financial Officer | ▼ Sell | Tax Withholding | 19,597 Shares held | 12/6/2023 | View profile |
| St Dennis Thomas Director | ▼ Sell | Open Market | 17,695 Shares held | 5/22/2026 | View profile |
| Lawson Douglas A. EVP, Corporate Mktg & Strategy | ▼ Sell | Tax Withholding | 15,808 Shares held | 6/20/2024 | View profile |
| Mahoney Robert John EVP Global Operations | ▼ Sell | Open Market | 14,410 Shares held | 6/2/2026 | View profile |
| Chiu Tzu Yin Director | ▲ Buy | Grant | 11,843 Shares held | 5/15/2026 | View profile |
| Quirk Jeanne Director | ▼ Sell | Open Market | 11,400 Shares held | 5/19/2026 | View profile |
| Ryzhik David SVP Interim CFO | ▼ Sell | Tax Withholding | 9,790 Shares held | 7/15/2026 | View profile |
| Vachani Dipti Director | ▲ Buy | Grant | 8,563 Shares held | 5/15/2024 | View profile |
| Necip Sayiner Director | ▼ Sell | Open Market | 7,112 Shares held | 6/3/2026 | View profile |
| Sutton Todd VP Corporate Controller | ▼ Sell | Open Market | 6,360 Shares held | 5/27/2026 | View profile |
| Titinger Jorge Director | ▲ Buy | Grant | 5,917 Shares held | 5/15/2026 | View profile |
| Gregory B. Graves EVP & CFO | ▼ Sell | Open Market | 5,473 Shares held | 5/19/2026 | View profile |
| KEITHLEY JOSEPH P Director | ▼ Sell | Open Market | 3,157 Shares held | 12/14/2023 | View profile |
Transaction History
| Ryzhik David | ▼ Sell | Tax Withholding | 127 | $18K | 7/15/2026 |
| Ryzhik David | ▼ Sell | Tax Withholding | 94 | $14K | 7/15/2026 |
| Ryzhik David | ▼ Sell | Tax Withholding | 76 | $13K | 6/16/2026 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 506 | $97K | 6/15/2026 |
| Necip Sayiner | ▼ Sell | Open Market | 1,586 | $250K | 6/3/2026 |
| Mahoney Robert John | ▼ Sell | Open Market | 1,155 | $179K | 6/2/2026 |
| Sutton Todd | ▼ Sell | Open Market | 2,000 | $320K | 5/27/2026 |
| St Dennis Thomas | ▼ Sell | Open Market | 900 | $140K | 5/22/2026 |
| Evans Eileen | ▼ Sell | Open Market | 926 | $144K | 5/22/2026 |
| Blumenstock Gerald M | ▼ Sell | Open Market | 1,161 | $177K | 5/21/2026 |
| Tatnall Christopher | ▼ Sell | Open Market | 1,166 | $175K | 5/20/2026 |
| Gregory B. Graves | ▼ Sell | Open Market | 2,625 | $371K | 5/19/2026 |
| Gregory B. Graves | ▼ Sell | Open Market | 600 | $86K | 5/19/2026 |
| KURTZWEIL JOHN T | ▼ Sell | Open Market | 3,500 | $486K | 5/19/2026 |
| Quirk Jeanne | ▼ Sell | Open Market | 1,789 | $251K | 5/19/2026 |
| Sutton Todd | ▼ Sell | Tax Withholding | 184 | $27K | 5/18/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 182 | $27K | 5/18/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 130 | $19K | 5/18/2026 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 111 | $16K | 5/18/2026 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 79 | $12K | 5/18/2026 |
| Low Russell | ▼ Sell | Tax Withholding | 711 | $104K | 5/18/2026 |
| Sutton Todd | ▲ Buy | Grant | 1,168 | $0 | 5/15/2026 |
| Sutton Todd | ▼ Sell | Tax Withholding | 226 | $35K | 5/15/2026 |
| Sutton Todd | ▼ Sell | Tax Withholding | 112 | $17K | 5/15/2026 |
| Sutton Todd | ▼ Sell | Tax Withholding | 103 | $16K | 5/15/2026 |
| Ryzhik David | ▲ Buy | Grant | 3,115 | $0 | 5/15/2026 |
| Ryzhik David | ▼ Sell | Tax Withholding | 226 | $35K | 5/15/2026 |
| Mahoney Robert John | ▲ Buy | Grant | 1,947 | $0 | 5/15/2026 |
| Mahoney Robert John | ▲ Buy | Grant | 1,947 | $0 | 5/15/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 372 | $58K | 5/15/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 173 | $27K | 5/15/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 170 | $26K | 5/15/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 61 | $9K | 5/15/2026 |
| Blumenstock Gerald M | ▲ Buy | Grant | 2,725 | $0 | 5/15/2026 |
| Blumenstock Gerald M | ▲ Buy | Grant | 2,725 | $0 | 5/15/2026 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 744 | $115K | 5/15/2026 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 345 | $54K | 5/15/2026 |
| Tatnall Christopher | ▲ Buy | Grant | 3,504 | $0 | 5/15/2026 |
| Tatnall Christopher | ▲ Buy | Grant | 3,504 | $0 | 5/15/2026 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 744 | $115K | 5/15/2026 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 345 | $54K | 5/15/2026 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 170 | $26K | 5/15/2026 |
| Redinbo Greg | ▲ Buy | Grant | 3,115 | $0 | 5/15/2026 |
| Redinbo Greg | ▲ Buy | Grant | 3,115 | $0 | 5/15/2026 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 452 | $70K | 5/15/2026 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 210 | $33K | 5/15/2026 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 177 | $27K | 5/15/2026 |
| Evans Eileen | ▲ Buy | Grant | 3,893 | $0 | 5/15/2026 |
| Evans Eileen | ▲ Buy | Grant | 3,893 | $0 | 5/15/2026 |
| Evans Eileen | ▼ Sell | Tax Withholding | 867 | $135K | 5/15/2026 |
| Low Russell | ▲ Buy | Grant | 19,466 | $0 | 5/15/2026 |
| Low Russell | ▲ Buy | Grant | 19,466 | $0 | 5/15/2026 |
| Low Russell | ▼ Sell | Tax Withholding | 3,716 | $577K | 5/15/2026 |
| Low Russell | ▼ Sell | Tax Withholding | 1,722 | $267K | 5/15/2026 |
| Low Russell | ▼ Sell | Tax Withholding | 1,453 | $225K | 5/15/2026 |
| Titinger Jorge | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| St Dennis Thomas | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| Necip Sayiner | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| Quirk Jeanne | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| KURTZWEIL JOHN T | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| Gregory B. Graves | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| Chiu Tzu Yin | ▲ Buy | Grant | 1,440 | $0 | 5/15/2026 |
| Sutton Todd | ▼ Sell | Open Market | 2,574 | $422K | 5/14/2026 |
| Blumenstock Gerald M | ▼ Sell | Open Market | 1,015 | $165K | 5/14/2026 |
| Titinger Jorge | ▼ Sell | Open Market | 2,000 | $328K | 5/13/2026 |
| Redinbo Greg | ▼ Sell | Open Market | 2,883 | $464K | 5/13/2026 |
| Mahoney Robert John | ▼ Sell | Open Market | 2,258 | $364K | 5/12/2026 |
| Low Russell | ▼ Sell | Open Market | 7,468 | $1.2M | 5/6/2026 |
| Low Russell | ▼ Sell | Open Market | 1,244 | $173K | 5/1/2026 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 907 | $119K | 4/20/2026 |
| Low Russell | ▼ Sell | Open Market | 1,244 | $117K | 4/1/2026 |
| Low Russell | ▼ Sell | Open Market | 1,244 | $112K | 3/24/2026 |
| Mahoney Robert John | ▼ Sell | Tax Withholding | 573 | $50K | 3/2/2026 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 1,121 | $97K | 3/2/2026 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 1,121 | $97K | 3/2/2026 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 723 | $63K | 3/2/2026 |
| COOGAN JAMES GORDON | ▼ Sell | Tax Withholding | 1,800 | $156K | 3/2/2026 |
| Low Russell | ▼ Sell | Tax Withholding | 5,227 | $453K | 3/2/2026 |
| Titinger Jorge | ▼ Sell | Open Market | 1,000 | $80K | 2/20/2026 |
| Mahoney Robert John | ▲ Buy | Grant | 1,734 | $0 | 1/15/2026 |
| Titinger Jorge | ▼ Sell | Open Market | 2,000 | $172K | 12/17/2025 |
| Evans Eileen | ▼ Sell | Tax Withholding | 1,378 | $119K | 12/16/2025 |
| Blumenstock Gerald M | ▼ Sell | Open Market | 3,034 | $271K | 12/11/2025 |
| COOGAN JAMES GORDON | ▼ Sell | Tax Withholding | 713 | $60K | 10/16/2025 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 137 | $12K | 9/15/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 208 | $18K | 9/15/2025 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 506 | $35K | 6/16/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 734 | $51K | 6/16/2025 |
| KURTZWEIL JOHN T | ▼ Sell | Open Market | 1,682 | $104K | 5/20/2025 |
| Low Russell | ▼ Sell | Tax Withholding | 947 | $59K | 5/17/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 190 | $12K | 5/16/2025 |
| Low Russell | ▼ Sell | Tax Withholding | 712 | $44K | 5/16/2025 |
| Tatnall Christopher | ▲ Buy | Grant | 6,148 | $0 | 5/15/2025 |
| Tatnall Christopher | ▲ Buy | Grant | 6,148 | $0 | 5/15/2025 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 345 | $22K | 5/15/2025 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 170 | $11K | 5/15/2025 |
| Redinbo Greg | ▲ Buy | Grant | 6,148 | $0 | 5/15/2025 |
| Redinbo Greg | ▲ Buy | Grant | 6,148 | $0 | 5/15/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 209 | $13K | 5/15/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 177 | $11K | 5/15/2025 |
| COOGAN JAMES GORDON | ▲ Buy | Grant | 12,295 | $0 | 5/15/2025 |
| COOGAN JAMES GORDON | ▲ Buy | Grant | 12,295 | $0 | 5/15/2025 |
| COOGAN JAMES GORDON | ▼ Sell | Tax Withholding | 574 | $36K | 5/15/2025 |
| Low Russell | ▲ Buy | Grant | 30,738 | $0 | 5/15/2025 |
| Low Russell | ▲ Buy | Grant | 30,738 | $0 | 5/15/2025 |
| Low Russell | ▼ Sell | Tax Withholding | 1,722 | $108K | 5/15/2025 |
| Low Russell | ▼ Sell | Tax Withholding | 1,453 | $91K | 5/15/2025 |
| Blumenstock Gerald M | ▲ Buy | Grant | 6,148 | $0 | 5/15/2025 |
| Blumenstock Gerald M | ▲ Buy | Grant | 6,148 | $0 | 5/15/2025 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 345 | $22K | 5/15/2025 |
| Evans Eileen | ▲ Buy | Grant | 7,172 | $0 | 5/15/2025 |
| Evans Eileen | ▲ Buy | Grant | 7,172 | $0 | 5/15/2025 |
| Chiu Tzu Yin | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| Necip Sayiner | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| Gregory B. Graves | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| Quirk Jeanne | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| St Dennis Thomas | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| Titinger Jorge | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| KURTZWEIL JOHN T | ▲ Buy | Grant | 3,586 | $0 | 5/15/2025 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 907 | $41K | 4/21/2025 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 1,146 | $63K | 2/28/2025 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 748 | $41K | 2/28/2025 |
| COOGAN JAMES GORDON | ▼ Sell | Tax Withholding | 1,787 | $98K | 2/28/2025 |
| Low Russell | ▼ Sell | Tax Withholding | 3,923 | $215K | 2/28/2025 |
| Low Russell | ▼ Sell | Tax Withholding | 5,212 | $286K | 2/28/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 471 | $26K | 2/28/2025 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 749 | $41K | 2/28/2025 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 3,083 | $222K | 1/3/2025 |
| Evans Eileen | ▲ Buy | Grant | 11,440 | $0 | 12/16/2024 |
| COOGAN JAMES GORDON | ▼ Sell | Tax Withholding | 433 | $41K | 10/16/2024 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 83 | $8K | 9/16/2024 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 236 | $23K | 9/16/2024 |
| Titinger Jorge | ▼ Sell | Open Market | 6,086 | $669K | 8/6/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 1,396 | $190K | 6/20/2024 |
| Blumenstock Gerald M | ▼ Sell | Tax Withholding | 308 | $43K | 6/17/2024 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 777 | $107K | 6/17/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 272 | $30K | 6/5/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 387 | $43K | 6/5/2024 |
| KURTZWEIL JOHN T | ▼ Sell | Open Market | 1,200 | $137K | 5/20/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 743 | $84K | 5/17/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 905 | $102K | 5/17/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 872 | $99K | 5/17/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 652 | $74K | 5/16/2024 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 190 | $22K | 5/16/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 536 | $61K | 5/16/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 628 | $71K | 5/16/2024 |
| Low Russell | ▲ Buy | Grant | 14,244 | $0 | 5/15/2024 |
| Low Russell | ▲ Buy | Grant | 14,244 | $0 | 5/15/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 1,399 | $158K | 5/15/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 1,333 | $151K | 5/15/2024 |
| Redinbo Greg | ▲ Buy | Grant | 2,849 | $0 | 5/15/2024 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 177 | $20K | 5/15/2024 |
| Lawson Douglas A. | ▲ Buy | Grant | 1,365 | $0 | 5/15/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 861 | $97K | 5/15/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 256 | $29K | 5/15/2024 |
| FALLON LYNNETTE C | ▲ Buy | Grant | 3,200 | $0 | 5/15/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 1,017 | $115K | 5/15/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 300 | $34K | 5/15/2024 |
| Tatnall Christopher | ▲ Buy | Grant | 2,849 | $0 | 5/15/2024 |
| Tatnall Christopher | ▲ Buy | Grant | 2,849 | $0 | 5/15/2024 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 103 | $12K | 5/15/2024 |
| Blumenstock Gerald M | ▲ Buy | Grant | 2,849 | $0 | 5/15/2024 |
| Blumenstock Gerald M | ▲ Buy | Grant | 2,849 | $0 | 5/15/2024 |
| COOGAN JAMES GORDON | ▲ Buy | Grant | 4,748 | $0 | 5/15/2024 |
| COOGAN JAMES GORDON | ▲ Buy | Grant | 4,748 | $0 | 5/15/2024 |
| Vachani Dipti | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| Quirk Jeanne | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| Necip Sayiner | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| Gregory B. Graves | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| Titinger Jorge | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| St Dennis Thomas | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| KURTZWEIL JOHN T | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| Chiu Tzu Yin | ▲ Buy | Grant | 1,162 | $0 | 5/15/2024 |
| Redinbo Greg | ▲ Buy | Grant | 2,849 | $0 | 5/15/2024 |
| Mary G. Puma | ▼ Sell | Tax Withholding | 17,393 | $2.0M | 5/9/2024 |
| Tatnall Christopher | ▼ Sell | Tax Withholding | 551 | $0 | 4/18/2024 |
| Gregory B. Graves | ▲ Buy | Grant | 1,340 | $0 | 3/15/2024 |
| Gregory B. Graves | ▲ Buy | Grant | 670 | $0 | 3/15/2024 |
| Necip Sayiner | ▲ Buy | Grant | 670 | $0 | 3/15/2024 |
| Necip Sayiner | ▲ Buy | Grant | 1,340 | $0 | 3/15/2024 |
| Low Russell | ▲ Buy | Open Market | 440 | $49K | 3/11/2024 |
| COOGAN JAMES GORDON | ▲ Buy | Open Market | 100 | $11K | 2/29/2024 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 477 | — | 2/28/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 958 | — | 2/28/2024 |
| Lawson Douglas A. | ▼ Sell | Tax Withholding | 457 | — | 2/28/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 1,123 | — | 2/28/2024 |
| FALLON LYNNETTE C | ▼ Sell | Tax Withholding | 536 | — | 2/28/2024 |
| Mary G. Puma | ▼ Sell | Tax Withholding | 6,289 | — | 2/28/2024 |
| Mary G. Puma | ▼ Sell | Tax Withholding | 6,828 | — | 2/28/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 1,761 | — | 2/28/2024 |
| Low Russell | ▼ Sell | Tax Withholding | 2,919 | — | 2/28/2024 |
| Lawson Douglas A. | ▲ Buy | Open Market | 500 | $56K | 2/23/2024 |
| FALLON LYNNETTE C | ▼ Sell | Gift | 365 | $0 | 12/14/2023 |
| KEITHLEY JOSEPH P | ▼ Sell | Open Market | 500 | $70K | 12/14/2023 |
| BREWER KEVIN J | ▼ Sell | Tax Withholding | 5,426 | $0 | 12/6/2023 |
| KEITHLEY JOSEPH P | ▼ Sell | Open Market | 500 | $65K | 11/10/2023 |
| COOGAN JAMES GORDON | ▲ Buy | Grant | 5,891 | $0 | 10/16/2023 |
| Redinbo Greg | ▼ Sell | Tax Withholding | 208 | $35K | 9/15/2023 |
| Tatnall Christopher | ▲ Buy | Grant | 1,125 | $0 | 9/15/2023 |
| Redinbo Greg | ▼ Sell | Open Market | 600 | $108K | 9/14/2023 |