FILINGS
| AMPH 0001297184 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2024-12-16 | 4 | View Document | |
| 2024-12-11 | 4 | View Document | |
| 2024-12-09 | 144 | View Document | |
| 2024-11-13 | 4 | View Document | |
| 2024-11-13 | 4 | View Document | |
| 2024-11-12 | 4 | View Document | |
| 2024-11-12 | 144 | View Document | |
| 2024-11-12 | 144 | View Document | |
| 2024-11-08 | 4 | View Document | |
| 2024-11-08 | 4 | View Document | |
| 2024-11-07 | 10-Q | 10-Q | View Document |
| 2024-11-06 | 144 | View Document | |
| 2024-11-06 | 144 | View Document | |
| 2024-11-06 | 8-K | 8-K | View Document |
| 2024-09-17 | 4 | View Document | |
| 2024-09-16 | 4 | View Document | |
| 2024-09-06 | 4 | View Document | |
| 2024-09-05 | 144 | View Document | |
| 2024-08-30 | 8-K | 8-K | View Document |
| 2024-08-27 | 4 | View Document | |
| 2024-08-26 | 144 | View Document | |
| 2024-08-13 | 4 | View Document | |
| 2024-08-12 | 144 | View Document | |
| 2024-08-09 | 10-Q | 10-Q | View Document |
| 2024-08-07 | 8-K | 8-K | View Document |
| 2024-08-02 | 4 | View Document | |
| 2024-07-31 | 144 | View Document | |
| 2024-06-28 | 4 | View Document | |
| 2024-06-27 | 144 | View Document | |
| 2024-06-11 | 4 | View Document | |
| 2024-06-11 | 4 | View Document | |
| 2024-06-10 | 144 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-05 | 4 | View Document | |
| 2024-06-04 | 8-K | 8-K | View Document |
| 2024-06-03 | 144 | View Document | |
| 2024-05-21 | 4 | View Document | |
| 2024-05-10 | 10-Q | 10-Q | View Document |
| 2024-05-08 | 8-K | 8-K | View Document |
| 2024-05-02 | 4 | View Document | |
| 2024-05-01 | 144 | View Document | |
| 2024-04-19 | DEFA14A | DEFA14A | View Document |
| 2024-04-12 | ARS | ARS | View Document |
| 2024-04-12 | DEFA14A | DEFA14A | View Document |
| 2024-04-12 | DEF 14A | DEF 14A | View Document |
| 2024-04-02 | 4 | View Document | |
| 2024-04-01 | 144 | View Document | |
| 2024-03-19 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2024-03-19 | 4 | View Document | |
| 2024-03-19 | 4 | View Document | |
| 2024-03-19 | 4 | View Document | |
| 2024-03-08 | 4 | View Document | |
| 2024-03-08 | 4 | View Document | |
| 2024-03-08 | 4 | View Document | |
| 2024-03-08 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2024-03-06 | 4 | View Document | |
| 2024-03-06 | 4 | View Document | |
| 2024-03-06 | 4 | View Document | |
| 2024-03-06 | 4 | View Document | |
| 2024-03-06 | 4 | View Document | |
| 2024-03-06 | 144 | View Document | |
| 2024-03-06 | SC 13G/A | View Document | |
| 2024-03-05 | 144 | View Document | |
| 2024-03-04 | 4 | View Document | |
| 2024-03-01 | 144 | View Document | |
| 2024-02-29 | S-8 | S-8 | View Document |
| 2024-02-29 | 10-K | 10-K | View Document |
| 2024-02-28 | 8-K | 8-K | View Document |
| 2024-02-13 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2024-02-09 | SC 13G/A | SC 13G/A | View Document |
| 2024-02-02 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2024-02-01 | 144 | View Document | |
| 2024-01-23 | SC 13G/A | View Document | |
| 2024-01-17 | SC 13G/A | View Document | |
| 2024-01-11 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2024-01-10 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2024-01-10 | 144 | View Document | |
| 2024-01-09 | 144 | View Document | |
| 2024-01-08 | 144 | View Document | |
| 2024-01-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2024-01-02 | 144 | View Document | |
| 2023-12-05 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-12-04 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-12-01 | 144 | View Document | |
| 2023-11-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-11-17 | 144 | View Document | |
| 2023-11-16 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-11-15 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-11-15 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2023-11-14 | 144 | View Document | |
| 2023-11-13 | 144 | View Document | |
| 2023-11-13 | 144 | View Document | |
| 2023-11-08 | 10-Q | 10-Q | View Document |
| 2023-11-08 | 8-K | 8-K | View Document |
| 2023-11-02 | 4 | OWNERSHIP DOCUMENT | View Document |
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