AXCELIS TECHNOLOGIES INC (ACLS) · INSIDERData sourcesSEC Form 458m ago
House PTR58m ago
SEC 13F58m ago
Robinhood Chain58m ago
Public companyAXCELIS TECHNOLOGIES INC
ACLSCIK 0001113232
Price$99.24
1 year+17.5%
Disclosed transactions40
Buys / sells0 / 11
Max Insider Score50
Connections with evidence9
ACLS · disclosed activity on price
| Score | Actor | Security | Side | Value | Executed | Disclosed | Lag | Source | Evidence |
|---|
| 5 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $14K 136 sh | Sep 15, 2026 | Sep 16, 2026 |
| 5 | RGRedinbo GregEVP and Chief Strategy Officer | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $22K 208 sh | Sep 15, 2026 | Sep 16, 2026 traded Sep 15, 2026 | +1d | SEC Form 4 | |
| 9 | RDRyzhik DavidSVP Interim CFO | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $13K 76 sh | Jun 16, 2026 | Jun 17, 2026 traded Jun 16, 2026 | +1d | SEC Form 4 | |
| 8 | BMBlumenstock Gerald MEVP, Research, Dev. & Eng. | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $97K 506 sh | Jun 15, 2026 | Jun 16, 2026 traded Jun 15, 2026 | +1d | SEC Form 4 | |
| 39 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $179K 1,155 sh | Jun 2, 2026 | Jun 3, 2026 traded Jun 2, 2026 | +1d | SEC Form 4 | |
| 46 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $320K 2,000 sh | May 27, 2026 | May 28, 2026 traded May 27, 2026 | +1d | SEC Form 4 | |
| 39 | BMBlumenstock Gerald MEVP, Research, Dev. & Eng. | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $177K 1,161 sh | May 21, 2026 | May 22, 2026 traded May 21, 2026 | +1d | SEC Form 4 | |
| 39 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $175K 1,166 sh | May 20, 2026 | May 21, 2026 traded May 20, 2026 | +1d | SEC Form 4 | |
| 46 | | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $251K 1,789 sh | May 19, 2026 | May 20, 2026 traded May 19, 2026 | +1d | SEC Form 4 | |
| 5 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $27K 182 sh | May 18, 2026 | May 20, 2026 traded May 18, 2026 | +2d | SEC Form 4 | |
| 5 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $27K 184 sh | May 18, 2026 | May 20, 2026 traded May 18, 2026 | +2d | SEC Form 4 | |
| 5 | RGRedinbo GregEVP MARKETING AND APPLICATIONS | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $16K 111 sh | May 18, 2026 | May 20, 2026 traded May 18, 2026 | +2d | SEC Form 4 | |
| 5 | RGRedinbo GregEVP MARKETING AND APPLICATIONS | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $12K 79 sh | May 18, 2026 | May 20, 2026 traded May 18, 2026 | +2d | SEC Form 4 | |
| 5 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $19K 130 sh | May 18, 2026 | May 20, 2026 traded May 18, 2026 | +2d | SEC Form 4 | |
| 5 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $9,466 61 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 9 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $26K 170 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 5 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $27K 173 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 9 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 1,168 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 13 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 3,504 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 5 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $17K 112 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 5 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $16K 103 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 9 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 1,947 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 9 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 1,947 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 9 | RDRyzhik DavidSVP Interim CFO | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $35K 226 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 5 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $26K 170 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 5 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $35K 226 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 13 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 3,504 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 12 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $115K 744 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 12 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $54K 345 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 8 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $58K 372 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 17 | RDRyzhik DavidSVP Interim CFO | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 3,115 sh | May 15, 2026 | May 19, 2026 traded May 15, 2026 | +4d | SEC Form 4 | |
| 50 | STSutton ToddVP Corporate Controller | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $422K 2,574 sh | May 14, 2026 | May 15, 2026 traded May 14, 2026 | +1d | SEC Form 4 | |
| 39 | BMBlumenstock Gerald MEVP, Research, Dev. & Eng. | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $165K 1,015 sh | May 14, 2026 | May 15, 2026 traded May 14, 2026 | +1d | SEC Form 4 | |
| 46 | RGRedinbo GregEVP MARKETING AND APPLICATIONS | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $464K 2,883 sh | May 13, 2026 | May 14, 2026 traded May 13, 2026 | +1d | SEC Form 4 | |
| 46 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $364K 2,258 sh | May 12, 2026 | May 13, 2026 traded May 12, 2026 | +1d | SEC Form 4 | |
| 12 | TCTatnall ChristopherEVP Global Customer Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $119K 907 sh | Apr 20, 2026 | Apr 21, 2026 traded Apr 20, 2026 | +1d | SEC Form 4 | |
| 8 | LRLow RussellDirector, PRESIDENT AND CEO | ACLSAXCELIS TECHNOLOGIES INC Open-market sale · 10b5-1 plan | SELL | $112K 1,244 sh | Mar 24, 2026 | Mar 26, 2026 traded Mar 24, 2026 | +2d | SEC Form 4 | |
| 9 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Tax withholding | F | $50K 573 sh | Mar 2, 2026 | Mar 3, 2026 traded Mar 2, 2026 | +1d | SEC Form 4 | |
| 13 | MJMahoney Robert JohnEVP Global Operations | ACLSAXCELIS TECHNOLOGIES INC Grant or award | A | — 1,734 sh | Jan 15, 2026 | Jan 16, 2026 traded Jan 15, 2026 | +1d | SEC Form 4 | |
| 31 | BMBlumenstock Gerald MEVP, Research, Dev. & Eng. | ACLSAXCELIS TECHNOLOGIES INC Open-market sale | SELL | $271K 3,034 sh | Dec 11, 2025 | Dec 12, 2025 traded Dec 11, 2025 | +1d | SEC Form 4 | |
EVP MARKETING AND APPLICATIONS · May 14, 2026
Planned sales and 5% stakes
Form 144, 13D and 13G