Form 4 for ACLS AXCELIS TECHNOLOGIES INC
Accepted 2026-05-13 17:05:06 ET · period of report 2026-05-12 · accession 0002101601-26-000006 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-13 17:05 | 2026-05-12 | ACLS | Mahoney Robert John | EVP Gbl Ops | S - Sale | $161.00 | -2,258 | 12.8K | -15% | -$363.5K |
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 | 2026-05-12 | S | D | 2,258 | $161.00 | 12,759 | D | — | — | (F1) Of the shares held after this sale on May 12, 2026, 10,927 shares were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture. This amount includes restricted stock units earned by the reporting person upon the achievement of 112.5% of the restricted stock units granted in 2025 based upon the achievement of 2025 performance goals. |