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Categorized Chronological Ownerhip by owner Transcripts Expert Interviews Holdings Your Highlights Financial Information Proxy/Share Holder Meeting Insider Transactions Beneficial Ownership/Institutional ownership Merger/Acquisition IPO/Public Offerings Securities-based Crowdfunding Regulation A Offering Foreign Private Issuers Mutual Funds and ETFs Variable Annuities Exhibits Delisitngs Deregister

Altair Engineering Inc.

Insider Ownership
8-K 34 03/28/2025 03/26/2025
10-K/A 34 03/25/2025 12/31/2024
10-K 34 02/20/2025 12/31/2024
8-K 34 02/20/2025 02/20/2025
8-K 34 01/22/2025 01/22/2025
8-K 34 01/16/2025 01/16/2025
10-Q 34 10/31/2024 09/30/2024
8-K 34 10/30/2024 10/30/2024
8-K 34 10/30/2024 10/30/2024
10-Q 34 08/01/2024 06/30/2024
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≥5% Ownership
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
4 03/26/2025 03/26/2025
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