173 filings
8-K
ALTR
Altair Engineering Inc - Ordinary Shares
4 Jun 24
Unregistered Sales of Equity Securities
7:01am
8-K
ALTR
Altair Engineering Inc - Ordinary Shares
16 May 24
Submission of Matters to a Vote of Security Holders
4:06pm
8-K
ALTR
Altair Engineering Inc - Ordinary Shares
2 May 24
Altair Announces First Quarter 2024 Financial Results
4:15pm
ARS
2023 FY
ALTR
Altair Engineering Inc - Ordinary Shares
5 Apr 24
Annual report to shareholders
7:11am
DEFA14A
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5 Apr 24
Additional proxy soliciting materials
7:05am
S-8
nr8dmy7yurdg16tr
22 Feb 24
Registration of securities for employees
5:11pm
8-K
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22 Feb 24
Altair Announces Fourth Quarter and Full Year 2023 Financial Results
4:17pm
8-K
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2 Nov 23
Altair Announces Third Quarter 2023 Financial Results
4:17pm
UPLOAD
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15 Aug 23
Letter from SEC
12:00am
8-K
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3 Aug 23
Altair Announces Second Quarter 2023 Financial Results
4:24pm
CORRESP
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2 Aug 23
Correspondence with SEC
12:00am
UPLOAD
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24 Jul 23
Letter from SEC
12:00am
CORRESP
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11 Jul 23
Correspondence with SEC
12:00am
UPLOAD
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12 Jun 23
Letter from SEC
12:00am
8-K
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8 Jun 23
Submission of Matters to a Vote of Security Holders
4:05pm