Form 4 for ACLS AXCELIS TECHNOLOGIES INC
Accepted 2025-12-12 00:00:00 ET · period of report 2025-12-11 · accession 0001979418-25-000004 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-12 | 2025-12-11 | ACLS | Blumenstock Gerald M | EVP, Research, Dev, Eng | S - Sale | $89.46 | -3,034 | 18.7K | -14% | -$271.4K |
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 | 2025-12-11 | S | D | 3,034 | $89.46 | 18,661 | D | — | — | (F1) The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $89.39 to $89.46, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. (F2) Of the shares held after this sale on December 11, 2025, 18,661 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. |