Mahoney Robert John 4

What Happened
Robert John Mahoney, EVP Global Operations at Axcelis Technologies (ACLS), reported an open-market sale of 1,155 shares on June 2, 2026. The shares were sold at $155.24 per share for a total proceeds of approximately $179,302. This was a sale (not a purchase or option exercise).

Key Details

• Transaction date: June 2, 2026; Filing date (Form 4): June 3, 2026 (appears timely).
• Transaction type/code: Sale (S) — open market or private sale listed on the Form 4.
• Price and size: 1,155 shares at $155.24 per share; proceeds ≈ $179,302.
• Shares owned after the transaction: the filing notes that of the shares held after the sale, 12,578 shares were issuable on vesting of restricted stock units (RSUs) under the 2012 Equity Incentive Plan and remain subject to forfeiture.
• Footnote: RSUs referenced (subject to forfeiture) — no 10b5-1 plan, tax-withholding, or other special instructions were reported in the provided notes.

Context

• A routine insider sale does not necessarily signal a change in company fundamentals; many sales reflect diversification or personal liquidity needs.
• This transaction was a straightforward sale of shares (not an option exercise, gift, or derivative transaction).