FILINGS
| AMPY 0001533924 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2023-04-18 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-04-18 | 3 | OWNERSHIP DOCUMENT | View Document |
| 2023-04-17 | 8-K | FORM 8-K | View Document |
| 2023-04-07 | DEFA14A | DEFA14A | View Document |
| 2023-04-07 | DEF 14A | DEF 14A | View Document |
| 2023-04-04 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-21 | 3 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-20 | 8-K | FORM 8-K | View Document |
| 2023-03-15 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-03-09 | 10-K | 10-K | View Document |
| 2023-03-09 | 8-K | 8-K | View Document |
| 2023-03-03 | 8-K | FORM 8-K | View Document |
| 2023-02-16 | 3 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-09 | 8-K | FORM 8-K | View Document |
| 2023-02-09 | SC 13G | SCHEDULE 13G | View Document |
| 2023-02-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-02-03 | SC 13G | View Document | |
| 2023-01-09 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-01-09 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-01-09 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-01-09 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-01-09 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-01-04 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-12-23 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-12-13 | 8-K | FORM 8-K | View Document |
| 2022-11-29 | 8-K | 8-K | View Document |
| 2022-11-01 | 10-Q | 10-Q | View Document |
| 2022-11-01 | 8-K | 8-K | View Document |
| 2022-08-03 | 10-Q | 10-Q | View Document |
| 2022-08-03 | 8-K | 8-K | View Document |
| 2022-07-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-06-21 | 8-K | FORM 8-K | View Document |
| 2022-06-16 | 8-K | FORM 8-K | View Document |
| 2022-05-04 | 10-Q | 10-Q | View Document |
| 2022-05-04 | 8-K | 8-K | View Document |
| 2022-05-04 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-04-29 | DEFA14A | DEFA14A | View Document |
| 2022-04-29 | DEF 14A | DEF 14A | View Document |
| 2022-04-13 | 3 | OWNERSHIP DOCUMENT | View Document |
| 2022-04-13 | 3 | OWNERSHIP DOCUMENT | View Document |
| 2022-04-07 | 8-K | FORM 8-K | View Document |
| 2022-04-04 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-03-17 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-03-17 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-03-17 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-03-17 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-03-17 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-03-09 | 10-K | 10-K | View Document |
| 2022-03-09 | 8-K | 8-K | View Document |
| 2022-03-09 | 8-K | FORM 8-K | View Document |
| 2022-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-11-15 | 10-Q | 10-Q | View Document |
| 2021-11-15 | 8-K | 8-K | View Document |
| 2021-10-05 | 4 | View Document | |
| 2021-10-05 | 4 | View Document | |
| 2021-10-05 | 4 | View Document | |
| 2021-09-09 | UPLOAD | View Document | |
| 2021-08-31 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-08-31 | CORRESP | View Document | |
| 2021-08-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-08-17 | UPLOAD | View Document | |
| 2021-08-10 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-08-04 | 10-Q | 10-Q | View Document |
| 2021-08-04 | 8-K | 8-K | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-06-22 | 8-K | 8-K | View Document |
| 2021-06-14 | S-8 | S-8 | View Document |
| 2021-06-01 | 3 | FORM 3 SUBMISSION | View Document |
| 2021-05-19 | 8-K | 8-K | View Document |
| 2021-05-17 | 8-K | 8-K | View Document |
| 2021-05-05 | 10-Q | 10-Q Q1 2021 | View Document |
| 2021-05-05 | 8-K | 8-K | View Document |
| 2021-05-04 | 4 | FORM 4 SUBMISSION | View Document |
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