Buckner Stephanie Insider Trading -- Recent SEC Form 4 Transactions

Buckner Stephanie (CIK 1839690) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-03-26). Recent activity: Sell ALTR (7,588 shares), Sell ALTR (31,352 shares), Sell ALTR (47 shares), Buy ALTR (323 shares), Sell ALTR (62 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2025-03-26Altair Engineering Inc. (ALTR)Chief Operating OfficerSell7,588$857,444
2025-03-26Altair Engineering Inc. (ALTR)Chief Operating OfficerSell31,352$3.5M
2025-03-19Altair Engineering Inc. (ALTR)Chief Operating OfficerSell47$5,231
2025-03-05Altair Engineering Inc. (ALTR)Chief Operating OfficerBuy323$0
2025-03-05Altair Engineering Inc. (ALTR)Chief Operating OfficerSell62$6,910
2025-02-14Altair Engineering Inc. (ALTR)Chief Operating OfficerBuy9,923$0
2025-01-16Altair Engineering Inc. (ALTR)Chief Operating OfficerBuy73$6,017

Source: SEC Form 4 filings · as of 2025-03-26