Filing Details

Accession Number:
0001127602-25-008196
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-03-05 12:01:12
Reporting Period:
2025-02-12
Filing Date:
2025-03-05
Accepted Time:
2025-03-05 12:01:12
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1701732 Altair Engineering Inc. ALTR Services-Prepackaged Software (7372) 382591828
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1839690 Stephanie Buckner C/O Altair Engineering Inc.
1820 E. Big Beaver Rd.
Troy MI 48083
Chief Operating Officer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Class A Common Stock Acquisiton 2025-02-12 323 $0.00 7,697 No 4 A Indirect By husband
Class A Common Stock Disposition 2025-03-03 62 $111.45 7,635 No 4 S Indirect By husband
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 A Indirect By husband
No 4 S Indirect By husband
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Class A Common Stock 31,352 Direct
Footnotes
  1. On February 12, 2025, the Reporting Person's husband was granted 323 Class A Common Stock restricted stock units, which vest in 4 equal annual installments commencing February 12, 2026.
  2. Includes 1,885 Class A Common Stock restricted stock units that are unvested.
  3. Shares sold to satisfy the tax withholding obligation in connection with the vesting of Class A Common Stock restricted stock units.
  4. Includes 1,737 Class A Common Stock restricted stock units that are unvested.
  5. Includes 17,141 Class A Common Stock restricted stock units that are unvested.