FILINGS
| AMPH 0001297184 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2025-05-02 | 4 | null | View Document |
| 2025-05-01 | 144 | null | View Document |
| 2025-04-14 | ARS | ARS | View Document |
| 2025-04-14 | DEFA14A | DEFA14A | View Document |
| 2025-04-14 | DEF 14A | DEF 14A | View Document |
| 2025-04-02 | 4 | View Document | |
| 2025-04-02 | PRE 14A | PRE 14A | View Document |
| 2025-04-01 | 144 | View Document | |
| 2025-03-18 | 4 | View Document | |
| 2025-03-18 | 4 | View Document | |
| 2025-03-18 | 4 | View Document | |
| 2025-03-18 | 4 | View Document | |
| 2025-03-12 | 4 | View Document | |
| 2025-03-12 | 4 | View Document | |
| 2025-03-12 | 4 | View Document | |
| 2025-03-12 | 4 | View Document | |
| 2025-03-10 | 4 | View Document | |
| 2025-03-10 | 4 | View Document | |
| 2025-03-10 | 4 | View Document | |
| 2025-03-10 | 4 | View Document | |
| 2025-03-07 | 4 | View Document | |
| 2025-03-06 | 4 | View Document | |
| 2025-03-06 | 4 | View Document | |
| 2025-03-06 | 4 | View Document | |
| 2025-03-06 | 4 | View Document | |
| 2025-03-06 | 144 | View Document | |
| 2025-03-04 | 144 | View Document | |
| 2025-03-03 | 10-K | 10-K | View Document |
| 2025-02-27 | 8-K | 8-K | View Document |
| 2025-02-07 | SCHEDULE 13G/A | View 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 | |
Search company filings and access detailed reports including 10-K, 10-Q, 8-K, and other critical filings. Stay informed on corporate disclosures, regulatory filings, and updates with our easy-to-use EDGAR API filings search tool.
