SEC Form 4 · accession 0002123863-26-000008
AXCELIS TECHNOLOGIES INC · ACLS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David Ryzhik
Officer — SVP Interim CFO
Period of report
Jul 15, 2026
Accepted (ET)
Jul 17, 2026 · 5:05 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001113232
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2,F1,F3 | Jul 15, 2026 | F | 127 | $145.01 | D | 9,884 | D | |
| Common StockF2,F1,F4 | Jul 15, 2026 | F | 94 | $145.01 | D | 9,790 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This forfeiture of shares for tax withholding purposes relates to the vesting on July 15, 2026 of service vesting restricted stock units granted to the executive in July 2024. The shares issued to the executive on the vesting were reduced by a number of shares having a value equal to the executive's tax withholding obligation with respect to the vested restricted stock units.
- F2Represents the closing price of the common stock on the date of the tax withholding.
- F3This amount includes 56 shares of common stock acquired by the reporting person on June 30, 2026 pursuant to the company's 2020 Employee Stock Purchase Plan, rounded to the nearest whole share. Of the shares held after this vesting event on July 15, 2026, 8,007 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.
- F4Of the shares held after this vesting event on July 15, 2026, 7,688 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.