FILINGS
| MTRN 0001104657 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2022-03-15 | 4 | FORM 4 | View Document |
| 2022-03-15 | 4 | FORM 4 | View Document |
| 2022-03-15 | 4 | FORM 4 | View Document |
| 2022-03-15 | 4 | FORM 4 | View Document |
| 2022-03-15 | 4 | FORM 4 | View Document |
| 2022-03-15 | 4 | FORM 4 | View Document |
| 2022-03-02 | 4 | FORM 4 | View Document |
| 2022-03-02 | 4 | FORM 4 | View Document |
| 2022-03-02 | 4 | FORM 4 | View Document |
| 2022-02-24 | 4 | FORM 4 | View Document |
| 2022-02-24 | 4 | FORM 4 | View Document |
| 2022-02-23 | 4 | FORM 4 | View Document |
| 2022-02-23 | 4 | FORM 4 | View Document |
| 2022-02-17 | 10-K | 10-K | View Document |
| 2022-02-17 | 8-K | 8-K | View Document |
| 2022-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2022-02-09 | SC 13G/A | View Document | |
| 2022-02-08 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2022-02-03 | 4 | FORM 4 | View Document |
| 2022-02-03 | 4 | FORM 4 | View Document |
| 2022-01-28 | SC 13G/A | View Document | |
| 2022-01-21 | 4 | FORM 4 | View Document |
| 2022-01-21 | 4 | FORM 4 | View Document |
| 2022-01-21 | 4 | FORM 4 | View Document |
| 2022-01-14 | 8-K/A | 8-K/A | View Document |
| 2022-01-05 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-07 | 4 | FORM 4 | View Document |
| 2021-12-02 | 4 | FORM 4 | View Document |
| 2021-11-02 | 10-Q | 10-Q | View Document |
| 2021-11-02 | 8-K | 8-K | View Document |
| 2021-11-01 | 8-K | 8-K | View Document |
| 2021-10-06 | 4 | FORM 4 | View Document |
| 2021-10-06 | 4 | FORM 4 | View Document |
| 2021-10-06 | 4 | FORM 4 | View Document |
| 2021-10-06 | 4 | FORM 4 | View Document |
| 2021-10-05 | 8-K | 8-K | View Document |
| 2021-09-20 | 8-K | 8-K | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-09-08 | 4 | FORM 4 | View Document |
| 2021-08-03 | 10-Q | 10-Q | View Document |
| 2021-08-03 | 8-K | 8-K | View Document |
| 2021-07-19 | 4 | FORM 4 | View Document |
| 2021-07-19 | 4 | FORM 4 | View Document |
| 2021-07-19 | 4 | FORM 4 | View Document |
| 2021-07-19 | 4 | FORM 4 | View Document |
| 2021-06-21 | 11-K | 11-K | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-06-15 | 4 | FORM 4 | View Document |
| 2021-05-28 | SD | SD | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-10 | 4 | FORM 4 | View Document |
| 2021-05-06 | 8-K | 8-K | View Document |
| 2021-04-29 | 10-Q | 10-Q | View Document |
| 2021-04-29 | 8-K | 8-K | View Document |
| 2021-04-09 | 4 | FORM 4 | View Document |
| 2021-04-09 | 4 | FORM 4 | View Document |
| 2021-04-09 | 4 | FORM 4 | View Document |
| 2021-04-09 | 4 | FORM 4 | View Document |
| 2021-03-25 | DEFA14A | DEFA14A | View Document |
| 2021-03-25 | DEF 14A | DEF 14A | View Document |
| 2021-03-09 | 4 | FORM 4 | View Document |
| 2021-03-09 | 4 | FORM 4 | View Document |
| 2021-03-09 | 4 | FORM 4 | View Document |
| 2021-03-09 | 4 | FORM 4 | View Document |
| 2021-03-09 | 4 | FORM 4 | View Document |
| 2021-03-09 | 4 | FORM 4 | View Document |
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