FILINGS
| AMST 0001807166 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2021-11-01 | S-3 | REGISTRATION STATEMENT | View Document |
| 2021-10-20 | 424B3 | PROSPECTUS | View Document |
| 2021-10-15 | EFFECT | View Document | |
| 2021-10-13 | CORRESP | View Document | |
| 2021-10-12 | S-1/A | AMENDMENT NO. 1 TO FORM S-1 | View Document |
| 2021-10-01 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2021-09-14 | 8-K | CURRENT REPORT | View Document |
| 2021-09-10 | 10-K | ANNUAL REPORT | View Document |
| 2021-09-02 | 8-K | CURRENT REPORT | View Document |
| 2021-08-24 | UPLOAD | View Document | |
| 2021-08-16 | S-1 | REGISTRATION STATEMENT | View Document |
| 2021-08-06 | 8-K | CURRENT REPORT | View Document |
| 2021-07-19 | 8-K | CURRENT REPORT | View Document |
| 2021-06-11 | 4 | View Document | |
| 2021-06-02 | 4 | View Document | |
| 2021-06-02 | 4 | View Document | |
| 2021-05-27 | 4 | View Document | |
| 2021-05-24 | 4 | View Document | |
| 2021-05-19 | 4 | View Document | |
| 2021-05-14 | 4 | View Document | |
| 2021-05-14 | 10-Q | QUARTERLY REPORT | View Document |
| 2021-05-11 | 4 | View Document | |
| 2021-05-06 | 4 | View Document | |
| 2021-05-03 | 4 | View Document | |
| 2021-04-28 | 4 | View Document | |
| 2021-04-20 | 4 | View Document | |
| 2021-04-20 | 8-K | CURRENT REPORT | View Document |
| 2021-04-14 | 4 | View Document | |
| 2021-04-09 | 4 | View Document | |
| 2021-04-07 | 4 | View Document | |
| 2021-04-01 | 4 | View Document | |
| 2021-03-08 | 8-K | CURRENT REPORT | View Document |
| 2021-03-05 | 4 | View Document | |
| 2021-02-24 | 8-K | CURRENT REPORT | View Document |
| 2021-02-22 | 4 | View Document | |
| 2021-02-22 | 3 | View Document | |
| 2021-02-12 | 10-Q | QUARTERLY REPORT | View Document |
| 2021-02-04 | 8-K | CURRENT REPORT | View Document |
| 2020-11-30 | 3 | View Document | |
| 2020-11-25 | 8-K | CURRENT REPORT | View Document |
| 2020-11-20 | S-8 | REGISTRATION STATEMENT | View Document |
| 2020-11-16 | 10-Q | QUARTERLY REPORT | View Document |
| 2020-11-12 | 8-K | CURRENT REPORT | View Document |
| 2020-10-09 | 8-K | CURRENT REPORT | View Document |
| 2020-10-02 | 8-K | CURRENT REPORT | View Document |
| 2020-10-01 | 8-K | CURRENT REPORT | View Document |
| 2020-09-30 | 8-K | FORM 8-K | View Document |
| 2020-09-29 | 4 | View Document | |
| 2020-09-29 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-09-29 | 4 | View Document | |
| 2020-09-29 | 4 | View Document | |
| 2020-09-29 | 4 | View Document | |
| 2020-09-29 | 4 | View Document | |
| 2020-09-28 | 3 | View Document | |
| 2020-09-28 | 424B4 | PROSPECTUS | View Document |
| 2020-09-25 | 3 | View Document | |
| 2020-09-25 | 3 | View Document | |
| 2020-09-25 | 3 | View Document | |
| 2020-09-25 | 3 | View Document | |
| 2020-09-25 | 3 | View Document | |
| 2020-09-25 | 3 | View Document | |
| 2020-09-25 | 3 | View Document | |
| 2020-09-24 | EFFECT | View Document | |
| 2020-09-24 | CERT | View Document | |
| 2020-09-23 | 8-A12B | FOR REGISTRATION OF CERTAIN CLASSES | View Document |
| 2020-09-22 | CORRESP | View Document | |
| 2020-09-22 | CORRESP | View Document | |
| 2020-09-14 | S-1/A | AMENDMENT NO. 3 TO REGISTRATION STATEMENT | View Document |
| 2020-09-10 | FWP | FREE WRITING PROSPECTUS | View Document |
| 2020-09-09 | S-1/A | AMENDMENT NO. 2 TO FORM S-1 | View Document |
| 2020-09-08 | FWP | FREE WRITING PROSPECTUS | View Document |
| 2020-09-04 | S-1/A | AMENDMENT NO. 1 TO FORM S-1 | View Document |
| 2020-08-17 | S-1 | REGISTRATION STATEMENT | View Document |
| 2020-07-27 | DRS/A | View Document | |
| 2020-07-24 | DRSLTR | View Document | |
| 2020-06-25 | UPLOAD | View Document | |
| 2020-06-22 | DRS/A | View Document | |
| 2020-06-19 | DRSLTR | View Document | |
| 2020-06-16 | UPLOAD | View Document | |
| 2020-06-02 | DRS/A | View Document | |
| 2020-06-01 | DRSLTR | View Document | |
| 2020-05-11 | UPLOAD | View Document | |
| 2020-04-14 | DRS | View Document | |
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