Altair Engineering Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Troy, MI
SEC filing record 1 source field available
Fiscal year end
31 December
Altair Engineering Inc. has filed 1,329 SEC EDGAR filings since 16 Jun 2017

SEC filing history

Showing 101-125 of 1,000 matching filings.

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25
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5
4

PRIMARY DOCUMENT

Filing date
16 Jan 2025
Reporting date
14 Jan 2025
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4

PRIMARY DOCUMENT

Filing date
16 Jan 2025
Reporting date
14 Jan 2025
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4

PRIMARY DOCUMENT

Filing date
16 Jan 2025
Reporting date
14 Jan 2025
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4

PRIMARY DOCUMENT

Filing date
16 Jan 2025
Reporting date
14 Jan 2025
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4

PRIMARY DOCUMENT

Filing date
26 Dec 2024
Reporting date
23 Dec 2024
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144 File 001-38263

144 filing

Filing date
20 Dec 2024
Reporting date
Not listed
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DEFM14A File 001-38263

DEFM14A

Filing date
18 Dec 2024
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Not listed
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4

PRIMARY DOCUMENT

Filing date
17 Dec 2024
Reporting date
12 Jan 2024
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4

PRIMARY DOCUMENT

Filing date
11 Dec 2024
Reporting date
10 Dec 2024
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144 File 001-38263

144 filing

Filing date
10 Dec 2024
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Not listed
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4

PRIMARY DOCUMENT

Filing date
05 Dec 2024
Reporting date
03 Dec 2024
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4

PRIMARY DOCUMENT

Filing date
05 Dec 2024
Reporting date
03 Dec 2024
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144 File 001-38263

144 filing

Filing date
04 Dec 2024
Reporting date
Not listed
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144 File 001-38263

144 filing

Filing date
04 Dec 2024
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PREM14A File 001-38263

PREM14A

Filing date
04 Dec 2024
Reporting date
04 Dec 2024
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4

PRIMARY DOCUMENT

Filing date
02 Dec 2024
Reporting date
29 Nov 2024
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4

PRIMARY DOCUMENT

Filing date
02 Dec 2024
Reporting date
29 Nov 2024
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4

PRIMARY DOCUMENT

Filing date
02 Dec 2024
Reporting date
29 Nov 2024
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4

PRIMARY DOCUMENT

Filing date
27 Nov 2024
Reporting date
26 Nov 2024
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144 File 001-38263

144 filing

Filing date
26 Nov 2024
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4

PRIMARY DOCUMENT

Filing date
25 Nov 2024
Reporting date
22 Nov 2024
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DEFA14A File 001-38263

DEFA14A

Filing date
21 Nov 2024
Reporting date
Not listed
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SC 13G File 005-90370

SC 13G

Filing date
21 Nov 2024
Reporting date
Not listed
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DEFA14A File 001-38263

DEFA14A

Filing date
19 Nov 2024
Reporting date
Not listed
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SC 13G/A File 005-90370

ALTAIR ENGINEERING, INC.

Filing date
13 Nov 2024
Reporting date
Not listed
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