Financial reports
ARS
2023 FY
Annual report to shareholders
5 Apr 24
10-K
2023 FY
Annual report
22 Feb 24
10-Q
2023 Q3
Quarterly report
2 Nov 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
10-Q
2023 Q1
Quarterly report
4 May 23
ARS
2022 FY
Annual report to shareholders
25 Apr 23
10-K
2022 FY
Annual report
24 Feb 23
10-Q
2022 Q3
Quarterly report
4 Nov 22
10-Q
2022 Q2
Quarterly report
4 Aug 22
10-Q
2022 Q1
Quarterly report
5 May 22
Current reports
8-K
Altair Announces Fourth Quarter and Full Year 2023 Financial Results
22 Feb 24
8-K
Altair Announces Third Quarter 2023 Financial Results
2 Nov 23
8-K
Altair Announces Second Quarter 2023 Financial Results
3 Aug 23
8-K
Submission of Matters to a Vote of Security Holders
8 Jun 23
8-K
Other Events
31 May 23
8-K
Altair Announces First Quarter 2023 Financial Results
4 May 23
8-K
Altair Announces Fourth Quarter and Full Year 2022 Financial Results
23 Feb 23
8-K
Departure of Directors or Certain Officers
4 Jan 23
8-K
Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
10 Nov 22
8-K
Altair Announces Third Quarter 2022 Financial Results
3 Nov 22
Registration and prospectus
S-8
Registration of securities for employees
22 Feb 24
S-3ASR
Automatic shelf registration
5 Aug 22
S-8
Registration of securities for employees
28 Feb 22
S-8
Registration of securities for employees
9 Apr 21
S-8
Registration of securities for employees
9 Apr 21
S-8
Registration of securities for employees
2 Mar 20
424B5
Prospectus supplement for primary offering
6 Jun 19
FWP
Free writing prospectus
6 Jun 19
424B5
Prospectus supplement for primary offering
4 Jun 19
S-3ASR
Automatic shelf registration
4 Jun 19
Proxies
DEFA14A
Additional proxy soliciting materials
5 Apr 24
DEF 14A
Definitive proxy
5 Apr 24
DEFA14A
Additional proxy soliciting materials
25 Apr 23
DEF 14A
Definitive proxy
25 Apr 23
DEFA14A
Additional proxy soliciting materials
30 Mar 22
DEF 14A
Definitive proxy
30 Mar 22
DEFA14A
Additional proxy soliciting materials
20 May 21
DEFA14A
Additional proxy soliciting materials
13 May 21
DEFA14A
Additional proxy soliciting materials
13 May 21
DEFA14A
Additional proxy soliciting materials
9 Apr 21
Other
UPLOAD
Letter from SEC
15 Aug 23
CORRESP
Correspondence with SEC
2 Aug 23
UPLOAD
Letter from SEC
24 Jul 23
CORRESP
Correspondence with SEC
11 Jul 23
UPLOAD
Letter from SEC
12 Jun 23
UPLOAD
Letter from SEC
1 Jul 22
CORRESP
Correspondence with SEC
30 Jun 22
UPLOAD
Letter from SEC
23 Jun 22
UPLOAD
Letter from SEC
17 Apr 20
CORRESP
Correspondence with SEC
15 Apr 20
Ownership
4
George J Christ
11 Apr 24
4
Change in insider ownership
11 Apr 24
4
Teresa A Harris
3 Apr 24
144
Notice of proposed sale of securities
2 Apr 24
4
George J Christ
1 Apr 24
4
Change in insider ownership
1 Apr 24
4
George J Christ
28 Mar 24
4
Change in insider ownership
28 Mar 24
4
George J Christ
26 Mar 24
4
Change in insider ownership
26 Mar 24