Christopher Tatnall, EVP Global Customer Operations at AXCELIS TECHNOLOGIES INC (ACLS), sold 1,166 shares at $149.75 ($175K) on 2026-05-20, disclosed to the SEC on 2026-05-21.
Open-market sale of $175k ACLS by EVP Global Customer Operations. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.