FILINGS
ALTR 0001701732 | |||
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Filing Date | Form Type | Description | Document |
2021-03-17 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-17 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-17 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-17 | 8-K | 8-K | View Document |
2021-03-16 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-16 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-16 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-16 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-16 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-16 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-11 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-03-08 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-26 | 10-K | 10-K | View Document |
2021-02-25 | 8-K | 8-K | View Document |
2021-02-19 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-19 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-18 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-18 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-18 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-18 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-16 | SC 13G/A | ALTAIR ENGINEERING INC. | View Document |
2021-02-16 | SC 13G/A | SC 13G/A | View Document |
2021-02-16 | SC 13G/A | SC 13G/A | View Document |
2021-02-11 | SC 13G/A | NONE | View Document |
2021-02-10 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-10 | 4 | FORM 4 SUBMISSION | View Document |
2021-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
2021-01-29 | SC 13G/A | View Document | |
2021-01-27 | 8-K | 8-K | View Document |
2021-01-22 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-22 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-22 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-20 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-20 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-20 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-19 | 8-K | 8-K | View Document |
2021-01-15 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-14 | 3 | FORM 3 SUBMISSION | View Document |
2021-01-13 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-13 | 4 | FORM 4 SUBMISSION | View Document |
2021-01-07 | 8-K | 8-K | View Document |
2021-01-06 | SC 13G/A | CONESTOGA CAPITAL ADVISORS | View Document |
2020-12-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-18 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-17 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-17 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-17 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-14 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-08 | 8-K | 8-K | View Document |
2020-12-08 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-08 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-08 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-07 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-04 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-04 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-12-03 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-27 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-18 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-18 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-18 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-16 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-16 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-13 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-13 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-13 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-12 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-12 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-12 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-10 | 4 | FORM 4 SUBMISSION | View Document |
2020-11-05 | 10-Q | 10-Q | View Document |
2020-11-05 | 8-K | 8-K | View Document |
2020-11-02 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-21 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-19 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-19 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-19 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-16 | 4 | FORM 4 SUBMISSION | View Document |
2020-10-16 | 4 | FORM 4 SUBMISSION | View Document |
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