Teresa A. Harris, Director at Altair Engineering Inc. (ALTR), sold 600 shares at $71.65 ($43K) on 2023-12-06, disclosed to the SEC on 2023-12-08.
Open-market sale of $43k 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.
| Filing → |
| ALTR | SELL | 2025-02-27 | $301K | — | Filing → |
| ALTR | SELL | 2024-11-06 | $65K | — | Filing → |
| ALTR | SELL | 2024-10-01 | $118K | — | Filing → |