Axcelis Technologies Inc (ACLS) insider trading
Every open-market stock purchase and sale by Axcelis Technologies Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $6.4M over the last 12 months (22 sales). No open-market buys.
- Last insider buy: Russell Low (CEO), $49.5K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $6.4M (22 sales). Last close $109.32 on Sep 18, 2026.
Recent ACLS insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 15, 2026 | Greg Redinbo (C-suite exec) | Sold (not open market) | $21.8K |
| Sep 15, 2026 | Christopher Tatnall (VP) | Sold (not open market) | $14.3K |
| Jul 15, 2026 | David Ryzhik (CFO) | Sold (not open market) | $18.4K |
| Jul 15, 2026 | David Ryzhik (CFO) | Sold (not open market) | $13.6K |
| Jun 16, 2026 | David Ryzhik (CFO) | Sold (not open market) | $13.4K |
| Jun 15, 2026 | Gerald M Blumenstock (VP) | Sold (not open market) | $96.9K |
| Jun 3, 2026 | Necip Sayiner (Insider) | Sold | $250K |
| Jun 2, 2026 | Robert John Mahoney (VP) | Sold | $179K |
| May 27, 2026 | Todd Sutton (VP) | Sold | $320K |
| May 22, 2026 | Eileen Evans (VP) | Sold | $144K |
| May 22, 2026 | Thomas St Dennis (Insider) | Sold | $140K |
| May 21, 2026 | Gerald M Blumenstock (VP) | Sold | $177K |
| May 20, 2026 | Christopher Tatnall (VP) | Sold | $175K |
| May 19, 2026 | John T Kurtzweil (Insider) | Sold | $486K |
| May 19, 2026 | Gregory B Graves (Insider) | Sold | $371K |
| May 19, 2026 | Jeanne Quirk (Insider) | Sold | $251K |
| May 19, 2026 | Gregory B Graves (Insider) | Sold | $85.5K |
| May 18, 2026 | Russell Low (CEO) | Sold (not open market) | $104K |
| May 18, 2026 | Todd Sutton (VP) | Sold (not open market) | $26.9K |
| May 18, 2026 | Robert John Mahoney (VP) | Sold (not open market) | $26.6K |
| May 18, 2026 | Robert John Mahoney (VP) | Sold (not open market) | $19K |
| May 18, 2026 | Greg Redinbo (VP) | Sold (not open market) | $16.2K |
| May 18, 2026 | Greg Redinbo (VP) | Sold (not open market) | $11.6K |
| May 15, 2026 | Russell Low (CEO) | Sold (not open market) | $577K |
| May 15, 2026 | Russell Low (CEO) | Sold (not open market) | $267K |
Who's trading ACLS
- Greg Redinbo, VP: sold $464K (1 sale), last Sep 15, 2026
- Christopher Tatnall, VP: sold $175K (1 sale), last Sep 15, 2026
- David Ryzhik, CFO: other filings, last Jul 15, 2026
- Gerald M Blumenstock, VP: sold $613K (3 sales), last Jun 15, 2026
- Necip Sayiner, Insider: sold $250K (1 sale), last Jun 3, 2026
- Robert John Mahoney, VP: sold $543K (2 sales), last Jun 2, 2026
- Todd Sutton, VP: sold $742K (2 sales), last May 27, 2026
- Thomas St Dennis, Insider: sold $140K (1 sale), last May 22, 2026
- Eileen Evans, VP: sold $144K (1 sale), last May 22, 2026
- John T Kurtzweil, Insider: sold $486K (1 sale), last May 19, 2026
- Jeanne Quirk, Insider: sold $251K (1 sale), last May 19, 2026
- Gregory B Graves, Insider: sold $457K (2 sales), last May 19, 2026
- Russell Low, CEO: sold $1.6M (4 sales), last May 18, 2026
- Tzu Yin Chiu, Insider: other filings, last May 15, 2026
- Jorge Titinger, Insider: sold $580K (3 sales), last May 15, 2026
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