FILINGS
| ALTR 0001701732 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2025-01-22 | 8-K | 8-K | View Document |
| 2025-01-16 | DEFA14A | DEFA14A | View Document |
| 2025-01-16 | 8-K | 8-K | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-20 | 144 | View Document | |
| 2024-12-18 | DEFM14A | DEFM14A | View Document |
| 2024-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-10 | 144 | View Document | |
| 2024-12-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-04 | 144 | View Document | |
| 2024-12-04 | 144 | View Document | |
| 2024-12-04 | PREM14A | PREM14A | View Document |
| 2024-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-11-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-11-26 | 144 | View Document | |
| 2024-11-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-11-21 | DEFA14A | DEFA14A | View Document |
| 2024-11-21 | SC 13G | SC 13G | View Document |
| 2024-11-19 | DEFA14A | DEFA14A | View Document |
| 2024-11-13 | SC 13G/A | ALTAIR ENGINEERING, INC. | View Document |
| 2024-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-11-12 | 144 | View Document | |
| 2024-11-08 | SC 13G/A | SC 13G/A | View Document |
| 2024-11-08 | SC 13G/A | SC 13G/A | View Document |
| 2024-11-08 | DEFA14A | DEFA14A | View Document |
| 2024-11-08 | DEFA14A | DEFA14A | View Document |
| 2024-11-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-11-07 | DEFA14A | DEFA14A | View Document |
| 2024-11-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-11-05 | 144 | View Document | |
| 2024-11-05 | 144 | View Document | |
| 2024-11-04 | DEFA14A | DEFA14A | View Document |
| 2024-10-31 | DEFA14A | DEFA14A | View Document |
| 2024-10-31 | 10-Q | 10-Q | View Document |
| 2024-10-31 | DEFA14A | DEFA14A | View Document |
| 2024-10-30 | DFAN14A | DFAN14A | View Document |
| 2024-10-30 | DFAN14A | DFAN14A | View Document |
| 2024-10-30 | DEFA14A | DEFA14A | View Document |
| 2024-10-30 | 8-K | 8-K | View Document |
| 2024-10-30 | DEFA14A | DEFA14A | View Document |
| 2024-10-30 | 8-K | 8-K | View Document |
| 2024-10-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-01 | 144 | View Document | |
| 2024-10-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-10-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-09-30 | 144 | View Document | |
| 2024-09-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-09-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-09-24 | UPLOAD | View Document | |
| 2024-09-12 | CORRESP | View Document | |
| 2024-09-05 | UPLOAD | View Document | |
| 2024-09-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-09-03 | 144 | View Document | |
| 2024-08-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-06 | 144 | View Document | |
| 2024-08-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-01 | 10-Q | 10-Q | View Document |
| 2024-08-01 | 8-K | 8-K | View Document |
| 2024-07-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-16 | D | View Document | |
| 2024-07-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-09 | 144 | View Document | |
| 2024-07-08 | SC 13G/A | View Document | |
| 2024-07-01 | 4 | PRIMARY DOCUMENT | View Document |
Search company filings and access detailed reports including 10-K, 10-Q, 8-K, and other critical filings. Stay informed on corporate disclosures, regulatory filings, and updates with our easy-to-use EDGAR API filings search tool.
