Form 4 for ACLS AXCELIS TECHNOLOGIES INC
Accepted 2026-05-19 17:05:16 ET · period of report 2026-05-15 · accession 0002123863-26-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-19 17:05 | 2026-05-15 | ACLS | Ryzhik David | SVP Interim CFO | A - Grant | $0.00 | +3,115 | 10.3K | +44% | $0 | |
| 2026-05-19 17:05 | 2026-05-15 | ACLS | Ryzhik David | SVP Interim CFO | F - Tax | $155.18 | -226 | 10.0K | -2% | -$35.1K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-15 | A | A | 3,115 | $0.00 | 10,257 | D | — | — | (F1) These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2026. Assuming continuation of employment, these restricted stock units will vest as to one-third of the shares granted on each of May 15, 2027, May 15, 2028, and May 15, 2029. (F2) Of the shares held following this grant on May 15, 2026, 9,464 were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture. |
| 2 | Common | Common Stock | 2026-05-15 | F | D | 226 | $155.18 | 10,031 | D | — | — | (F4) Represents the closing price of the common stock on the date of the tax withholding. (F3) This forfeiture of shares for tax withholding purposes relates to the vesting on May 15, 2026 of service vesting restricted stock units granted to the executive in May 2025. 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. (F5) Of the shares held after this vesting event on May 15, 2026, 8,695 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture. |