FILINGS
| ALTR 0001701732 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2024-03-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-06 | 144 | View Document | |
| 2024-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 144 | View Document | |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-22 | S-8 | S-8 | View Document |
| 2024-02-22 | 10-K | 10-K | View Document |
| 2024-02-22 | 8-K | 8-K | View Document |
| 2024-02-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-13 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2024-02-13 | SC 13G/A | ALTAIR ENGINEERING, INC. | View Document |
| 2024-02-13 | SC 13G/A | SC 13G/A | View Document |
| 2024-02-13 | SC 13G/A | SC 13G/A | View Document |
| 2024-01-31 | SC 13G | View Document | |
| 2024-01-25 | SC 13G/A | View Document | |
| 2024-01-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-01-16 | 144 | View Document | |
| 2023-12-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-06 | 144 | View Document | |
| 2023-12-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-14 | 144 | View Document | |
| 2023-11-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-08 | 144 | View Document | |
| 2023-11-07 | 144 | View Document | |
| 2023-11-02 | 10-Q | 10-Q | View Document |
| 2023-11-02 | 8-K | 8-K | View Document |
| 2023-10-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-10-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-10-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-10-16 | 144 | View Document | |
| 2023-09-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-09-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-09-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-15 | UPLOAD | View Document | |
| 2023-08-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-03 | 10-Q | 10-Q | View Document |
| 2023-08-03 | 8-K | 8-K | View Document |
| 2023-08-02 | CORRESP | View Document | |
| 2023-07-24 | UPLOAD | View Document | |
| 2023-07-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-07-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-07-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-07-18 | 4 | PRIMARY DOCUMENT | View Document |
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