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 | |
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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 | |
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 | |
03/25/2024 1:57 PM | Altair Engineering (Issuer) Christ George J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 4:28 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 4:32 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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03/19/2024 4:34 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:47 AM | Altair Engineering (Issuer) Brown Matthew Charles (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:49 AM | Altair Engineering (Issuer) Buckner Stephanie (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:50 AM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:53 AM | Altair Engineering (Issuer) Srikanth Mahalingam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:54 AM | Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:56 AM | Altair Engineering (Issuer) Messano Amy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:58 AM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 9:48 AM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 9:51 AM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 9:57 AM | Altair Engineering (Issuer) Dias Nelson (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/19/2024 10:00 AM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2024 2:52 PM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/07/2024 11:09 AM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/06/2024 4:52 PM | Altair Engineering (Subject) Marraccini Jeffrey (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/06/2024 3:55 PM | Altair Engineering (Issuer) Buckner Stephanie (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/06/2024 3:39 PM | Altair Engineering (Issuer) Harris Teresa A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:42 PM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:31 PM | Altair Engineering (Issuer) Messano Amy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:33 PM | Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:34 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:35 PM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:36 PM | Altair Engineering (Issuer) Srikanth Mahalingam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:37 PM | Altair Engineering (Issuer) Dias Nelson (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:39 PM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:40 PM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2024 1:41 PM | Altair Engineering (Issuer) Brown Matthew Charles (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:39 PM | Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:42 PM | Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:45 PM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:47 PM | Altair Engineering (Issuer) Messano Amy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:29 PM | Altair Engineering (Issuer) Dias Nelson (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:34 PM | Altair Engineering (Issuer) Brown Matthew Charles (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/29/2024 2:37 PM | Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/22/2024 4:11 PM | Altair Engineering (Filer)
| Form S-8 Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
02/22/2024 3:17 PM | Altair Engineering (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/20/2024 7:07 AM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/20/2024 7:09 AM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/20/2024 7:13 AM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/13/2024 2:45 PM | Altair Engineering (Subject) Christ George J (Filed by)
| Form SC 13G/A | |
02/13/2024 2:48 PM | Altair Engineering (Subject) Scapa James Ralph (Filed by)
| Form SC 13G/A | |
01/31/2024 7:54 AM | Altair Engineering (Subject) PICTET ASSET MANAGEMENT SA (Filed by)
| Form SC 13G | |
01/25/2024 3:59 PM | Altair Engineering (Subject) BlackRock Inc. (Filed by)
| Form SC 13G/A | |
01/18/2024 4:55 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/18/2024 4:59 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/18/2024 5:01 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2024 4:36 PM | Altair Engineering (Issuer) Marraccini Jeffrey (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2024 4:38 PM | Altair Engineering (Issuer) Saravia Gilma (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2024 4:24 PM | Altair Engineering (Issuer) Altair Engineering (Issuer) Brown Matthew Charles (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2024 4:27 PM | Altair Engineering (Issuer) Altair Engineering (Issuer) Gayle Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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01/17/2024 4:30 PM | Altair Engineering (Issuer) Altair Engineering (Issuer) Kunju Ravi (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2024 4:33 PM | Altair Engineering (Issuer) Altair Engineering (Issuer) Maitra Raoul (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/17/2024 4:21 PM | Altair Engineering (Issuer) Srikanth Mahalingam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/16/2024 3:29 PM | Altair Engineering (Subject) Scapa James Ralph (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
12/21/2023 9:46 AM | Altair Engineering (Issuer) Brown Matthew Charles (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/19/2023 6:05 PM | Altair Engineering (Issuer) James R. Scapa Declaration of Trust (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/19/2023 6:07 PM | Altair Engineering (Issuer) JRS Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/19/2023 6:08 PM | Altair Engineering (Issuer) Scapa James Ralph (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/11/2023 8:10 AM | Altair Engineering (Issuer) GC Investments LLC (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |