16 insiders reported 121 Form 4 transactions for AXCELIS TECHNOLOGIES INC (ACLS) over the past 18 months (most recent 2026-06-17). Recent activity: Ryzhik David (SVP Interim CFO) Sell 76 shares, Blumenstock Gerald M (EVP, Research, Dev. & Eng.) Sell 506 shares, Mahoney Robert John (EVP Global Operations) Sell 1,155 shares, Blumenstock Gerald M (EVP, Research, Dev. & Eng.) Sell 1,161 shares, Evans Eileen (EVP, General Counsel and Sec'y) Sell 926 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | Ryzhik David | SVP Interim CFO | Sell | 76 | $13,440 |
| 2026-06-16 | Blumenstock Gerald M | EVP, Research, Dev. & Eng. | Sell | 506 | $96,950 |
| 2026-06-03 | Mahoney Robert John | EVP Global Operations | Sell | 1,155 | $179,302 |
| 2026-05-22 | Blumenstock Gerald M | EVP, Research, Dev. & Eng. | Sell | 1,161 | $177,285 |
| 2026-05-22 | Evans Eileen | EVP, General Counsel and Sec'y | Sell | 926 | $143,998 |
| 2026-05-21 | Tatnall Christopher | EVP Global Customer Operations | Sell | 1,166 | $174,608 |
| 2026-05-20 | KURTZWEIL JOHN T | Director | Sell | 3,500 | $485,771 |
| 2026-05-20 | Mahoney Robert John | EVP Global Operations | Sell | 182 | $26,616 |
| 2026-05-20 | Redinbo Greg | EVP MARKETING AND APPLICATIONS | Sell | 111 | $16,233 |
| 2026-05-20 | Quirk Jeanne | Director | Sell | 1,789 | $250,854 |
| 2026-05-20 | Low Russell | PRESIDENT AND CEO | Sell | 711 | $103,977 |
| 2026-05-20 | GRAVES GREGORY B | Director | Sell | 2,625 | $371,188 |
| 2026-05-20 | Sutton Todd | VP Corporate Controller | Sell | 184 | $26,908 |
| 2026-05-20 | Mahoney Robert John | EVP Global Operations | Sell | 130 | $19,011 |
| 2026-05-20 | Redinbo Greg | EVP MARKETING AND APPLICATIONS | Sell | 79 | $11,553 |
| 2026-05-20 | GRAVES GREGORY B | Director | Sell | 600 | $85,509 |
| 2026-05-19 | Tatnall Christopher | EVP Global Customer Operations | Buy | 3,504 | $0 |
| 2026-05-19 | Redinbo Greg | EVP MARKETING AND APPLICATIONS | Buy | 3,115 | $0 |
| 2026-05-19 | Sutton Todd | VP Corporate Controller | Buy | 1,168 | $0 |
| 2026-05-19 | Ryzhik David | SVP Interim CFO | Buy | 3,115 | $0 |
| 2026-05-19 | Mahoney Robert John | EVP Global Operations | Buy | 1,947 | $0 |
| 2026-05-19 | Evans Eileen | EVP, General Counsel and Sec'y | Buy | 3,893 | $0 |
| 2026-05-19 | Low Russell | PRESIDENT AND CEO | Buy | 19,466 | $0 |
| 2026-05-19 | Blumenstock Gerald M | EVP, Research, Dev. & Eng. | Buy | 2,725 | $0 |
| 2026-05-19 | Redinbo Greg | EVP MARKETING AND APPLICATIONS | Buy | 3,115 | $0 |
Source: SEC Form 4 filings · as of 2026-06-17