09/04/2024 5:43 AM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/29/2024 12:50 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/29/2024 12:53 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/29/2024 12:55 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/06/2024 3:19 PM | Altair Engineering (Subject) Harris Teresa A (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/06/2024 1:01 PM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/01/2024 3:45 PM | Altair Engineering (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
|
08/01/2024 3:15 PM | Altair Engineering (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/30/2024 2:30 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/30/2024 2:32 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/30/2024 2:34 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 12:54 PM | Altair Engineering (Issuer) Buckner Stephanie (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:26 AM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:27 AM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:30 AM | Altair Engineering (Issuer) Brown Matthew Charles (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:18 AM | Altair Engineering (Issuer) Srikanth Mahalingam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:20 AM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:21 AM | Altair Engineering (Issuer) Messano Amy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:23 AM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 11:24 AM | Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2024 6:00 AM | Altair Engineering (Filer)
| Form D Notice of Exempt Offering of Securities | |
07/10/2024 10:04 AM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/09/2024 3:08 PM | Altair Engineering (Subject) Harris Teresa A (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
07/08/2024 3:32 PM | Altair Engineering (Subject) BlackRock Inc. (Filed by)
| Form SC 13G/A | |
07/01/2024 3:51 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/01/2024 3:54 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/28/2024 7:03 AM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/28/2024 7:05 AM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2024 1:46 PM | Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4/A | |
06/18/2024 3:25 PM | Altair Engineering (Issuer) GC Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2024 3:27 PM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2024 3:28 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/14/2024 4:34 PM | Altair Engineering (Subject) Maitra Raoul (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/14/2024 8:03 AM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/13/2024 4:48 PM | Altair Engineering (Subject) Gayle Brian (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/13/2024 10:43 AM | Altair Engineering (Issuer) GC Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/13/2024 10:46 AM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/13/2024 10:48 AM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/11/2024 2:55 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/11/2024 2:52 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/11/2024 2:52 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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06/10/2024 5:55 PM | Altair Engineering (Subject) Scapa James Ralph (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/05/2024 6:04 PM | Altair Engineering (Issuer) Srikanth Mahalingam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/05/2024 2:40 PM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/04/2024 3:45 PM | Altair Engineering (Subject) Harris Teresa A (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/04/2024 6:01 AM | Altair Engineering (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/31/2024 11:41 AM | Altair Engineering (Subject) Srikanth Mahalingam (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/23/2024 12:29 PM | Altair Engineering (Issuer) Messano Amy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/22/2024 12:23 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/22/2024 12:21 PM | Altair Engineering (Issuer) GC Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/21/2024 4:31 PM | Altair Engineering (Subject) Messano Amy (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 12:38 PM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/20/2024 12:39 PM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/20/2024 9:45 AM | Altair Engineering (Subject) Saravia Gilma (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 9:49 AM | Altair Engineering (Subject) Maitra Raoul (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 9:52 AM | Altair Engineering (Subject) Scapa James Ralph (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 9:32 AM | Altair Engineering (Subject) Messano Amy (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 9:36 AM | Altair Engineering (Subject) Dias Nelson (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 9:40 AM | Altair Engineering (Subject) Srikanth Mahalingam (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2024 9:19 AM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/20/2024 9:18 AM | Altair Engineering (Issuer) GC Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2024 11:26 AM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/14/2024 6:34 PM | Altair Engineering (Subject) Marraccini Jeffrey (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/14/2024 10:05 AM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 4:55 PM | Altair Engineering (Subject) Kunju Ravi (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/10/2024 5:00 PM | Altair Engineering (Subject) Maitra Raoul (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/10/2024 8:21 AM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:23 AM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:26 AM | Altair Engineering (Issuer) Anderson James Francis (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:28 AM | Altair Engineering (Issuer) Ayyar Shekar G (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:32 AM | Altair Engineering (Issuer) Boyce Mary Cunningham (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:35 AM | Altair Engineering (Issuer) Carter Sandra Ann (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:38 AM | Altair Engineering (Issuer) Earhart Stephen P (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:39 AM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:19 AM | Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 7:52 AM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 7:55 AM | Altair Engineering (Issuer) Srikanth Mahalingam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 7:59 AM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:01 AM | Altair Engineering (Issuer) Messano Amy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:05 AM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/10/2024 8:06 AM | Altair Engineering (Issuer) Dias Nelson (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/09/2024 6:49 PM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/09/2024 6:51 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/08/2024 10:26 AM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/02/2024 3:30 PM | Altair Engineering (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/02/2024 3:15 PM | Altair Engineering (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/11/2024 3:44 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/11/2024 3:38 PM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/05/2024 6:01 AM | Altair Engineering (Filer)
| Form DEF 14A | |
04/05/2024 6:05 AM | Altair Engineering (Filer)
| Form DEFA14A | |
04/05/2024 6:11 AM | Altair Engineering (Filer)
| Form ARS | |
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04/03/2024 9:17 AM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/01/2024 9:41 AM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/01/2024 9:47 AM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/28/2024 1:49 PM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/28/2024 1:54 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/26/2024 12:17 PM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/26/2024 12:23 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/25/2024 1:50 PM | Altair Engineering (Issuer) Christ Revocable Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/25/2024 1:52 PM | Altair Engineering (Issuer) GC Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |