1,065 filings
4
George J Christ
11 Apr 24
Altair Engineering / George J Christ ownership change
4:44pm
4
Christ Revocable Trust
11 Apr 24
Change in insider ownership
4:38pm
ARS
2023 FY
ALTR
Altair Engineering Inc - Ordinary Shares
5 Apr 24
Annual report to shareholders
7:11am
DEFA14A
ALTR
Altair Engineering Inc - Ordinary Shares
5 Apr 24
Additional proxy soliciting materials
7:05am
4
Harris Teresa A
3 Apr 24
Altair Engineering / Teresa A Harris ownership change
10:17am
144
Harris Teresa A
2 Apr 24
Notice of proposed sale of securities
4:02pm
4
George J Christ
1 Apr 24
Altair Engineering / George J Christ ownership change
10:47am
4
Christ Revocable Trust
1 Apr 24
Change in insider ownership
10:41am
4
George J Christ
28 Mar 24
Altair Engineering / George J Christ ownership change
2:54pm
4
Christ Revocable Trust
28 Mar 24
Change in insider ownership
2:49pm
4
George J Christ
26 Mar 24
Altair Engineering / George J Christ ownership change
1:23pm
4
Christ Revocable Trust
26 Mar 24
Change in insider ownership
1:17pm
4
George J Christ
25 Mar 24
Altair Engineering / George J Christ ownership change
2:57pm
4
GC Investments LLC
25 Mar 24
Change in insider ownership
2:52pm
4
Christ Revocable Trust
25 Mar 24
Change in insider ownership
2:50pm
4
ALTR
Altair Engineering Inc - Ordinary Shares
19 Mar 24
Altair Engineering / James Ralph Scapa ownership change
5:34pm
4
ALTR
Altair Engineering Inc - Ordinary Shares
19 Mar 24
Change in insider ownership
5:32pm
4
James R. Scapa Declaration of Trust
19 Mar 24
Change in insider ownership
5:28pm
4
Gilma Saravia
19 Mar 24
Altair Engineering / Gilma Saravia ownership change
11:58am