AMPH · Amphastar Pharmaceuticals, Inc. · Proposed Sales
$25.37
-0.06 (-0.24%)
At close · Oct 5
Return incl. dividend (before tax)
Market Cap
$1.17B
Shares
42.54M
Volume · Oct 5
454.57K
Avg daily vol (3M)
464.94K
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-09-21 | PETERS WILLIAM J | Officer | 4,139 | 2026-09-21 | UBS Financial Services, Inc. |
| 2026-09-01 | Rong Zhou | Vice President | 13,187 | 2026-09-01 | UBS Financial Services Inc |
| 2026-08-18 | Floyd Petersen | Director | 47,101 | 2026-08-18 | UBS Financial Services Inc |
| 2026-08-11 | Richard Prins | Director | 7,973 | 2026-08-11 | UBS Financial Services Inc |
| 2026-08-07 | PETERS WILLIAM J | Officer | 8,180 | 2026-08-07 | UBS Financial Services, Inc. |
| 2025-12-11 | Floyd Petersen | Director | 4,163 | 2025-12-11 | UBS Financial Services Inc |
| 2025-12-10 | Floyd Petersen | Director | 1,737 | 2025-12-10 | UBS Financial Services Inc |
| 2025-11-28 | Rong Zhou | Officer | 20,000 | 2025-11-28 | UBS Financial Services Inc |
| 2025-11-25 | Richard Prins | Director | 4,179 | 2025-11-25 | UBS Financial Services Inc |
| 2025-11-13 | Floyd Petersen | Director | 16,679 | 2025-11-13 | UBS Financial Services Inc |
| 2025-11-03 | Petersen Floyd F. | Director | 500 | 2025-11-03 | UBS Financial Services, Inc. |
| 2025-10-01 | Petersen Floyd F. | Director | 500 | 2025-10-01 | UBS Financial Services, Inc. |
| 2025-09-02 | Petersen Floyd F. | Director | 500 | 2025-09-02 | UBS Financial Services, Inc. |
| 2025-08-01 | Petersen Floyd F. | Director | 500 | 2025-08-01 | UBS Financial Services, Inc. |
| 2025-07-02 | Petersen Floyd F. | Director | 500 | 2025-07-02 | UBS Financial Services, Inc. |
| 2025-06-02 | Petersen Floyd F. | Director | 500 | 2025-06-02 | UBS Financial Services, Inc. |
| 2025-05-01 | Petersen Floyd F. | Director | 500 | 2025-05-01 | UBS Financial Services, Inc. |
| 2025-04-01 | Petersen Floyd F. | Director | 500 | 2025-04-01 | UBS Financial Services, Inc. |
| 2025-03-06 | Petersen Floyd F. | Director | 1,000 | 2025-03-06 | UBS Financial Services, Inc. |
| 2025-03-04 | PETERS WILLIAM J | Officer | 4,231 | 2025-03-04 | UBS Financial Services, Inc. |
| 2024-12-09 | Richard Prins | Executive | 10,000 | 2024-12-09 | UBS Financial Services Inc |
| 2024-11-12 | Rong Zhou | Executive Vice President | 31,680 | 2024-11-12 | UBS Financial Services Inc |
| 2024-11-12 | Richard Prins | Director | 5,000 | 2024-11-12 | UBS Financial Services Inc |
| 2024-11-06 | PETERS WILLIAM J | Officer | 7,426 | 2024-11-06 | UBS Financial Services, Inc. |
| 2024-11-06 | Liawatidewi Yakob | Director | 5,214 | 2024-11-06 | UBS Financial Services, Inc. |
| 2024-09-05 | Floyd Petersen | Director | 5,000 | 2024-09-05 | UBS Financial Services Inc |
| 2024-08-26 | Rong Zhou | Director | 13,893 | 2024-08-26 | UBS Financial Services Inc |
| 2024-08-12 | Richard Prins | Director | 17,101 | 2024-08-12 | UBS Financial Services Inc |
| 2024-07-31 | PETERS WILLIAM J | Officer | 10,282 | 2024-07-31 | UBS Financial Services, Inc. |
| 2024-06-27 | PETERS WILLIAM J | Officer | 3,596 | 2024-06-27 | UBS Financial Services, Inc. |
| 2024-06-10 | Floyd Petersen | Director | 3,000 | 2024-06-10 | UBS Financial Services Inc |
| 2024-06-03 | Petersen Floyd F. | Director | 500 | 2024-06-03 | UBS Financial Services, Inc. |
| 2024-05-01 | Petersen Floyd F. | Director | 500 | 2024-05-01 | UBS Financial Services, Inc. |
| 2024-04-01 | Petersen Floyd F. | Director | 500 | 2024-04-01 | UBS Financial Services, Inc. |
| 2024-03-06 | PETERS WILLIAM J | Officer | 18,136 | 2024-03-06 | UBS Financial Services, Inc. |
| 2024-03-05 | Michael Zasloff | Director | 12,500 | 2024-03-05 | UBS Financial Services Inc |
| 2024-03-01 | Petersen Floyd F. | Director | 500 | 2024-03-01 | UBS Financial Services, Inc. |
| 2024-02-01 | Petersen Floyd F. | Director | 500 | 2024-02-01 | UBS Financial Services, Inc. |
| 2024-01-10 | Luo Mary Z. | Officer | 131,386 | 2024-01-10 | UBS Financial Services, Inc. |
| 2024-01-09 | Luo Mary Z. | Officer | 86,156 | 2024-01-09 | UBS Financial Services, Inc. |
| 2024-01-08 | Luo Mary Z. | Officer | 133,644 | 2024-01-08 | UBS Financial Services, Inc. |
| 2024-01-02 | Petersen Floyd F. | Director | 500 | 2024-01-02 | UBS Financial Services, Inc. |
| 2023-12-01 | Petersen Floyd F. | Director | 500 | 2023-12-01 | UBS Financial Services, Inc. |
| 2023-11-17 | Rong Zhou | Director | 7,830 | 2023-11-17 | UBS Financial Services Inc |
| 2023-11-14 | PETERS WILLIAM J | Officer | 59,250 | 2023-11-14 | UBS Financial Services, Inc. |
| 2023-11-13 | Gayle Deflin | Director | 4,163 | 2023-11-13 | UBS Financial Services Inc |
| 2023-11-13 | Richard Prins | Director | 10,000 | 2023-11-13 | UBS Financial Services Inc |
| 2023-11-01 | Petersen Floyd F. | Director | 500 | 2023-11-01 | UBS Financial Services, Inc. |
| 2023-10-02 | Petersen Floyd F. | Director | 500 | 2023-10-02 | UBS Financial Services, Inc. |
| 2023-09-06 | PETERS WILLIAM J | Officer | 60,743 | 2023-09-06 | UBS Financial Services, Inc. |
Showing 1–50 of 65 filings