Jan Kowal, Director at Altair Engineering Inc. (ALTR), sold 4,000 shares at $66.70 ($267K) on 2021-06-04, disclosed to the SEC on 2021-06-08.
Open-market sale of $267k ALTR by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.