Gerald M. Blumenstock, EVP, Research, Development & Eng at AXCELIS TECHNOLOGIES INC (ACLS), sold 1,161 shares at $152.70 ($177K) on 2026-05-21, disclosed to the SEC on 2026-05-22.
Open-market sale of $177k ACLS by EVP, Research, Development & Eng. 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.
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