4processed

Form 4 — Insider Transaction

AXCELIS TECHNOLOGIES INC(ACLS)

Filing Date

June 15, 2026

Accepted

June 15, 2026

Accession No.

0001979418-26-000010

CIK

0001113232

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Blumenstock Gerald MEVP, Research, Dev. & Eng.Other506$191.620.0KCommon StockJun 15, 2026