Latest filings (excl ownership)
10-Q
2024 Q1
Quarterly report
2 May 24
8-K
Altair Announces First Quarter 2024 Financial Results
2 May 24
ARS
2023 FY
Annual report to shareholders
5 Apr 24
DEFA14A
Additional proxy soliciting materials
5 Apr 24
DEF 14A
Definitive proxy
5 Apr 24
S-8
Registration of securities for employees
22 Feb 24
10-K
2023 FY
Annual report
22 Feb 24
8-K
Altair Announces Fourth Quarter and Full Year 2023 Financial Results
22 Feb 24
10-Q
2023 Q3
Quarterly report
2 Nov 23
8-K
Altair Announces Third Quarter 2023 Financial Results
2 Nov 23
UPLOAD
Letter from SEC
15 Aug 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
8-K
Altair Announces Second Quarter 2023 Financial Results
3 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
8-K
Submission of Matters to a Vote of Security Holders
8 Jun 23
8-K
Other Events
31 May 23
10-Q
2023 Q1
Quarterly report
4 May 23
8-K
Altair Announces First Quarter 2023 Financial Results
4 May 23
ARS
2022 FY
Annual report to shareholders
25 Apr 23
DEFA14A
Additional proxy soliciting materials
25 Apr 23
DEF 14A
Definitive proxy
25 Apr 23
10-K
2022 FY
Annual report
24 Feb 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
10-Q
2022 Q3
Quarterly report
4 Nov 22
8-K
Altair Announces Third Quarter 2022 Financial Results
3 Nov 22
8-K
Departure of Directors or Certain Officers
3 Oct 22
8-K
Altair Announces Completion of Acquisition of RapidMiner
16 Sep 22
8-K
Entry into a Material Definitive Agreement
13 Sep 22
8-K
Departure of Directors or Certain Officers
23 Aug 22
S-3ASR
Automatic shelf registration
5 Aug 22
10-Q
2022 Q2
Quarterly report
4 Aug 22
8-K
Altair Announces Second Quarter 2022 Financial Results
4 Aug 22
UPLOAD
Letter from SEC
1 Jul 22
CORRESP
Correspondence with SEC
30 Jun 22
8-K
Altair Announces Sale of $230 Million Aggregate Principal Amount of Convertible Senior Notes
24 Jun 22
Latest ownership filings
144
Notice of proposed sale of securities
10 May 24
144
Notice of proposed sale of securities
10 May 24
4
Teresa A Harris
10 May 24
4
Stephen P Earhart
10 May 24
4
Sandra Ann Carter
10 May 24
4
Mary Cunningham Boyce
10 May 24
4
Shekar G Ayyar
10 May 24
4
James Francis Anderson
10 May 24
4
Jeffrey Marraccini
10 May 24
4
Ravi Kunju
10 May 24
4
Raoul Maitra
10 May 24
4
Nelson Dias
10 May 24
4
Gilma Saravia
10 May 24
4
Amy Messano
10 May 24
4
Brian Gayle
10 May 24
4
Mahalingam Srikanth
10 May 24
4
James Ralph Scapa
10 May 24
4
George J Christ
9 May 24
4
Change in insider ownership
9 May 24
4
Teresa A Harris
8 May 24
144
Notice of proposed sale of securities
7 May 24
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
4
George J Christ
25 Mar 24
4
Change in insider ownership
25 Mar 24
4
Change in insider ownership
25 Mar 24
4
James Ralph Scapa
19 Mar 24
4
Change in insider ownership
19 Mar 24
4
Change in insider ownership
19 Mar 24
4
Gilma Saravia
19 Mar 24
4
Amy Messano
19 Mar 24
4
Raoul Maitra
19 Mar 24