• Axcelis Technologies EVP, Global Customer Operations Christopher Tatnall sold 1,166 shares of common stock on May 20 at USD 149.75.
• The sale left him with 27,627 shares beneficially owned.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Axcelis Technologies Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001990732-26-000008), on May 21, 2026, and is solely responsible for the information contained therein.