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 | |
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 | |
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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 | |
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 | |
12/11/2023
8:16 AM | Altair Engineering (Issuer)
Christ George J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/08/2023
11:00 AM | Altair Engineering (Issuer)
Christ George J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/08/2023
10:50 AM | Altair Engineering (Issuer)
Harris Teresa A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/08/2023
10:55 AM | Altair Engineering (Issuer)
GC Investments LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/06/2023
3:48 PM | Altair Engineering (Subject)
Harris Teresa A (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
12/05/2023
1:58 PM | Altair Engineering (Issuer)
GC Investments LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/05/2023
2:04 PM | Altair Engineering (Issuer)
Christ George J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/01/2023
1:20 PM | Altair Engineering (Issuer)
GC Investments LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/01/2023
1:22 PM | Altair Engineering (Issuer)
Christ George J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/22/2023
11:04 AM | Altair Engineering (Issuer)
Christ Revocable Trust (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/22/2023
11:06 AM | Altair Engineering (Issuer)
GC Investments LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/22/2023
11:07 AM | Altair Engineering (Issuer)
Christ George J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2023
7:48 AM | Altair Engineering (Issuer)
Harris Teresa A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/13/2023
11:36 AM | Altair Engineering (Issuer)
Kunju Ravi (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/09/2023
9:24 AM | Altair Engineering (Issuer)
Maitra Raoul (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
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11/08/2023
5:24 PM | Altair Engineering (Issuer)
Marraccini Jeffrey (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/08/2023
4:13 PM | Altair Engineering (Subject)
Maitra Raoul (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/07/2023
2:06 PM | Altair Engineering (Subject)
Marraccini Jeffrey (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/02/2023
3:30 PM | Altair Engineering (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/02/2023
3:17 PM | Altair Engineering (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/17/2023
2:11 PM | Altair Engineering (Issuer)
James R. Scapa Declaration of Trust (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/17/2023
2:13 PM | Altair Engineering (Issuer)
JRS Investments LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/17/2023
2:15 PM | Altair Engineering (Issuer)
Scapa James Ralph (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/16/2023
4:02 PM | Altair Engineering (Subject)
Scapa James Ralph (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
