Free Trial

Altair Engineering (ALTR) SEC Filings & 10K Form

Altair Engineering logo
$111.85 0.00 (0.00%)
As of 03/26/2025

Recent Altair Engineering SEC Filings

DateFilerForm TypeView
04/07/2025
3:15 PM
Altair Engineering (Subject)
Matrix Capital Management Company, LP (Filed by)
Form SCHEDULE 13G/A
04/07/2025
8:30 AM
Altair Engineering (Filer)
Form 15-12G
03/28/2025
7:34 AM
Altair Engineering (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/26/2025
5:31 PM
Altair Engineering (Subject)
Scapa James Ralph (Filed by)
Form SCHEDULE 13G/A
03/26/2025
5:32 PM
Altair Engineering (Issuer)
Srikanth Mahalingam (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
4:10 PM
Altair Engineering (Subject)
Christ George J (Filed by)
Form SCHEDULE 13G/A
03/26/2025
3:36 PM
Altair Engineering (Issuer)
Christ Revocable Trust (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:36 PM
Altair Engineering (Issuer)
Boyce Mary Cunningham (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:41 PM
Altair Engineering (Issuer)
Carter Sandra Ann (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:41 PM
Altair Engineering (Issuer)
Earhart Stephen P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:41 PM
Altair Engineering (Issuer)
James R. Scapa Declaration of Trust (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:42 PM
Altair Engineering (Issuer)
Buckner Stephanie (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:42 PM
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:45 PM
Altair Engineering (Issuer)
Messano Amy (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:46 PM
Altair Engineering (Issuer)
JRS Investments LLC (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:46 PM
Altair Engineering (Issuer)
Kunju Ravi (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:47 PM
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:50 PM
Altair Engineering (Issuer)
Harris Teresa A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:52 PM
Altair Engineering (Issuer)
Scapa James Ralph (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:53 PM
Altair Engineering (Issuer)
Marraccini Jeffrey (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:25 PM
Altair Engineering (Issuer)
GC Investments LLC (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:29 PM
Altair Engineering (Issuer)
Christ George J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
3:30 PM
Altair Engineering (Issuer)
Anderson James Francis (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2025
2:54 PM
Altair Engineering (Filer)
Form POSASR
03/26/2025
10:26 AM
Altair Engineering (Subject)
Nasdaq Stock Market LLC (Filed by)
Form 25-NSE
03/25/2025
3:35 PM
Altair Engineering (Filer)
Form 10-K/A
03/21/2025
3:53 PM
Altair Engineering (Issuer)
Kunju Ravi (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
10:39 AM
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Form 4/A
03/19/2025
10:29 AM
Altair Engineering (Issuer)
Maitra Raoul (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
10:31 AM
Altair Engineering (Issuer)
Dias Nelson (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
10:33 AM
Altair Engineering (Issuer)
Marraccini Jeffrey (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
10:35 AM
Altair Engineering (Issuer)
Scapa James Ralph (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
10:26 AM
Altair Engineering (Issuer)
Gayle Brian (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
9:44 AM
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
9:46 AM
Altair Engineering (Issuer)
Messano Amy (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2025
9:48 AM
Altair Engineering (Issuer)
Buckner Stephanie (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/18/2025
7:39 AM
Altair Engineering (Subject)
Maitra Raoul (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/18/2025
7:30 AM
Altair Engineering (Subject)
Kunju Ravi (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/18/2025
6:35 AM
Altair Engineering (Subject)
Gayle Brian (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/18/2025
6:05 AM
Altair Engineering (Subject)
Dias Nelson (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/06/2025
4:46 PM
Altair Engineering (Issuer)
Harris Teresa A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
Trump’s Exec Order #14154 could be a “Millionaire-Maker” (Ad)

Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape.

For the moment, you can watch this interview free of charge – just click here.
03/06/2025
4:47 PM
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/06/2025
3:52 PM
Altair Engineering (Subject)
Harris Teresa A (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/05/2025
11:01 AM
Altair Engineering (Issuer)
Buckner Stephanie (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:02 AM
Altair Engineering (Issuer)
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:03 AM
Altair Engineering (Issuer)
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Saravia Gilma (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:04 AM
Altair Engineering (Issuer)
Kunju Ravi (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:05 AM
Altair Engineering (Issuer)
Altair Engineering (Issuer)
Maitra Raoul (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:06 AM
Altair Engineering (Issuer)
Altair Engineering (Issuer)
Dias Nelson (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:07 AM
Altair Engineering (Issuer)
Gayle Brian (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:09 AM
Altair Engineering (Issuer)
Altair Engineering (Issuer)
Marraccini Jeffrey (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2025
11:14 AM
Altair Engineering (Issuer)
Messano Amy (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2025
1:33 PM
Altair Engineering (Subject)
Dias Nelson (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/03/2025
1:44 PM
Altair Engineering (Subject)
Saravia Gilma (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/03/2025
1:05 PM
Altair Engineering (Subject)
Messano Amy (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/03/2025
1:15 PM
Altair Engineering (Subject)
Brown Matthew Charles (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/27/2025
12:53 PM
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
12:55 PM
Altair Engineering (Issuer)
Dias Nelson (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
12:56 PM
Altair Engineering (Issuer)
Maitra Raoul (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
12:58 PM
Altair Engineering (Issuer)
Kunju Ravi (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
12:47 PM
Altair Engineering (Issuer)
Messano Amy (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
12:49 PM
Altair Engineering (Issuer)
Gayle Brian (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
12:51 PM
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2025
9:49 AM
Altair Engineering (Issuer)
Harris Teresa A (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/25/2025
5:35 AM
Altair Engineering (Subject)
Brown Matthew Charles (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/20/2025
3:25 PM
Altair Engineering (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/14/2025
11:34 AM
Altair Engineering (Issuer)
Buckner Stephanie (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
11:36 AM
Altair Engineering (Issuer)
Messano Amy (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:35 AM
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:36 AM
Altair Engineering (Issuer)
Maitra Raoul (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:38 AM
Altair Engineering (Issuer)
Srikanth Mahalingam (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:39 AM
Altair Engineering (Issuer)
Kunju Ravi (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:40 AM
Altair Engineering (Issuer)
Dias Nelson (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:41 AM
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:43 AM
Altair Engineering (Issuer)
Scapa James Ralph (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:33 AM
Altair Engineering (Issuer)
Marraccini Jeffrey (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2025
9:34 AM
Altair Engineering (Issuer)
Gayle Brian (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/05/2025
12:23 PM
Altair Engineering (Subject)
BlackRock, Inc. (Filed by)
Form SCHEDULE 13G/A
01/22/2025
3:17 PM
Altair Engineering (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/16/2025
3:36 PM
Altair Engineering (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/16/2025
3:38 PM
Altair Engineering (Filer)
Form DEFA14A
01/16/2025
8:24 AM
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:08 AM
Altair Engineering (Issuer)
Marraccini Jeffrey (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:12 AM
Altair Engineering (Issuer)
Maitra Raoul (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:15 AM
Altair Engineering (Issuer)
Kunju Ravi (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:19 AM
Altair Engineering (Issuer)
Gayle Brian (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:21 AM
Altair Engineering (Issuer)
Buckner Stephanie (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:02 AM
Altair Engineering (Issuer)
Srikanth Mahalingam (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:04 AM
Altair Engineering (Issuer)
Saravia Gilma (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
8:06 AM
Altair Engineering (Issuer)
Messano Amy (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/26/2024
8:43 AM
Altair Engineering (Issuer)
Brown Matthew Charles (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
Trump’s Exec Order #14154 could be a “Millionaire-Maker” (Ad)

Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape.

For the moment, you can watch this interview free of charge – just click here.
12/20/2024
7:56 PM
Altair Engineering (Subject)
Brown Matthew Charles (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/18/2024
3:30 PM
Altair Engineering (Filer)
Form DEFM14A
12/17/2024
3:36 PM
Altair Engineering (Issuer)
Buckner Stephanie (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2024
10:05 AM
Altair Engineering (Issuer)
Dias Nelson (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/10/2024
2:00 PM
Altair Engineering (Subject)
Dias Nelson (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/05/2024
8:28 AM
Altair Engineering (Issuer)
Scapa James Ralph (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/05/2024
8:30 AM
Altair Engineering (Issuer)
Srikanth Mahalingam (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2024
3:03 PM
Altair Engineering (Issuer)
James R. Scapa Declaration of Trust (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2024
3:04 PM
Altair Engineering (Issuer)
JRS Investments LLC (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
(Data available from 1/1/2016 forward)


Related Companies and Tools


This page (NASDAQ:ALTR) was last updated on 7/12/2025 by MarketBeat.com Staff
From Our Partners