Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2024-03-06 Sale | 2024-03-08 4:52 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & TREASURER | 18,136 | $46.48 | $842,883 | 109,300 (Direct) | View |
| 2023-11-14 Sale | 2023-11-16 4:05 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 59,250 | $55.67 | $3,298,475 | 147,685 (Direct) | View |
| 2023-09-06 Sale | 2023-09-08 4:08 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 60,743 | $51.75 | $3,143,195 | 211,988 (Direct) | View |
| 2023-06-15 Sale | 2023-06-20 4:01 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 36,868 | $50.85 | $1,874,790 | 120,656 (Direct) | View |
| 2023-06-02 Sale | 2023-06-05 5:06 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 11,000 | $46.35 | $509,859 | 113,093 (Direct) | View |
| 2023-05-18 Sale | 2023-05-22 6:49 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,500 | $44.35 | $465,675 | 123,260 (Direct) | View |
| 2023-04-17 Sale | 2023-04-18 8:07 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 5,632 | $42.35 | $238,515 | 134,138 (Direct) | View |
| 2023-04-13 Sale | 2023-04-14 5:48 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,868 | $42.35 | $206,160 | 139,770 (Direct) | View |
| 2023-04-10 Sale | 2023-04-12 5:21 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,032 | $40.35 | $404,791 | 144,638 (Direct) | View |
| 2023-03-15 Sale | 2023-03-17 7:03 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 12,776 | $36.43 | $465,472 | 114,305 (Direct) | View |
| 2023-03-01 Sale | 2023-03-03 4:47 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,974 | $36.33 | $398,685 | 109,440 (Direct) | View |
| 2022-08-09 Sale | 2022-08-10 7:34 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $38.35 | $383,500 | 150,002 (Direct) | View |
| 2022-06-30 Sale | 2022-07-01 6:08 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 18,386 | $34.95 | $642,591 | 107,168 (Direct) | View |
| 2022-06-17 Sale | 2022-06-22 4:21 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 5,512 | $32.05 | $176,682 | 100,480 (Direct) | View |
| 2022-03-16 Sale | 2022-03-18 6:57 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 50,777 | $33.96 | $1,724,427 | 104,987 (Direct) | View |
| 2022-03-15 Sale | 2022-03-17 6:13 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 7,900 | $34.46 | $272,248 | 164,887 (Direct) | View |
| 2022-03-07 Sale | 2022-03-09 4:06 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 13,026 | $29.35 | $382,313 | 165,564 (Direct) | View |
| 2022-02-25 Sale | 2022-03-01 4:05 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 23,000 | $28.47 | $654,850 | 131,116 (Direct) | View |
| 2022-02-08 Sale | 2022-02-09 9:06 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $26.95 | $269,500 | 154,116 (Direct) | View |
| 2022-01-07 Sale | 2022-01-11 6:22 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 47,776 | $24.75 | $1,182,622 | 223,596 (Direct) | View |
| 2021-12-30 Sale | 2022-01-04 4:52 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $23.4 | $234,000 | 204,595 (Direct) | View |
| 2021-12-21 Sale | 2021-12-22 5:04 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 8,256 | $22.4 | $184,934 | 214,595 (Direct) | View |
| 2021-12-16 Sale | 2021-12-17 7:52 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 1,744 | $22.4 | $39,066 | 222,851 (Direct) | View |
| 2021-11-11 Sale | 2021-11-12 7:42 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $21.33 | $213,300 | 125,489 (Direct) | View |
| 2021-08-16 Sale | 2021-08-17 4:25 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 6,589 | $19.35 | $127,524 | 105,689 (Direct) | View |
| 2021-07-07 Sale | 2021-07-08 6:32 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $20.37 | $203,739 | 142,078 (Direct) | View |
| 2021-03-15 Sale | 2021-03-17 7:40 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 4,244 | $19.03 | $80,745 | 81 (Direct) | View |
| 2021-01-19 Sale | 2021-01-20 5:58 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 6,495 | $18.67 | $121,237 | 89,548 (Direct) | View |
| 2020-08-14 Sale | 2020-08-18 4:12 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 5,512 | $20.36 | $112,223 | 95,652 (Direct) | View |
| 2020-07-06 Sale | 2020-07-08 4:05 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 13,656 | $22 | $300,405 | 140,964 (Direct) | View |
| 2020-03-13 Sale | 2020-03-17 8:07 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 4,701 | $13.94 | $65,539 | 70,096 (Direct) | View |
| 2020-01-21 Sale | 2020-01-23 4:05 pm | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 3,990 | $20.07 | $80,071 | 78,975 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-03-15 Tax Withholding | 2024-03-19 5:10 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & TREASURER | 11,645 | $43.05 | 97,655 (Direct) | View |
| 2024-03-06 Exercise | 2024-03-08 4:52 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & TREASURER | 8,826 | $11.33 | 109,300 (Direct) | View |
| 2024-03-06 Exercise | 2024-03-08 4:52 pm | N/A 2026-03-17 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & TREASURER | 8,826 | $0 | 109,300 (Direct) | View |
| 2024-03-06 Tax Withholding | 2024-03-08 4:52 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & TREASURER | 2,190 | $46.31 | 109,300 (Direct) | View |
| 2024-03-04 Option Award | 2024-03-06 5:49 pm | N/A 2034-03-04 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & TREASURER | 60,395 | $0 | 161,755 (Direct) | View |
| 2023-11-14 Exercise | 2023-11-16 4:05 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 21,250 | $20.23 | 147,685 (Direct) | View |
| 2023-11-14 Exercise | 2023-11-16 4:05 pm | N/A 2029-03-15 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 59,250 | $0 | 147,685 (Direct) | View |
| 2023-11-14 Exercise | 2023-11-16 4:05 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 38,000 | $13.03 | 147,685 (Direct) | View |
| 2023-09-06 Exercise | 2023-09-08 4:08 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 21,250 | $20.23 | 211,988 (Direct) | View |
| 2023-09-06 Exercise | 2023-09-08 4:08 pm | N/A 2028-03-15 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 56,500 | $0 | 211,988 (Direct) | View |
| 2023-09-06 Exercise | 2023-09-08 4:08 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 25,250 | $13.03 | 211,988 (Direct) | View |
| 2023-09-06 Exercise | 2023-09-08 4:08 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $19.79 | 211,988 (Direct) | View |
| 2023-06-15 Exercise | 2023-06-20 4:01 pm | N/A 2028-03-15 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 36,868 | $0 | 120,656 (Direct) | View |
| 2023-06-15 Exercise | 2023-06-20 4:01 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 36,868 | $19.79 | 120,656 (Direct) | View |
| 2023-06-02 Exercise | 2023-06-05 5:06 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 11,000 | $0 | 113,093 (Direct) | View |
| 2023-06-02 Exercise | 2023-06-05 5:06 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 11,000 | $13.35 | 113,093 (Direct) | View |
| 2023-05-18 Exercise | 2023-05-22 6:49 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,500 | $0 | 123,260 (Direct) | View |
| 2023-05-18 Exercise | 2023-05-22 6:49 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,500 | $13.35 | 123,260 (Direct) | View |
| 2023-05-19 Tax Withholding | 2023-05-22 6:49 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 378 | $44.16 | 123,260 (Direct) | View |
| 2023-04-17 Exercise | 2023-04-18 8:07 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 5,632 | $0 | 134,138 (Direct) | View |
| 2023-04-17 Exercise | 2023-04-18 8:07 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 5,632 | $13.35 | 134,138 (Direct) | View |
| 2023-04-13 Exercise | 2023-04-14 5:48 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,868 | $0 | 139,770 (Direct) | View |
| 2023-04-13 Exercise | 2023-04-14 5:48 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,868 | $13.35 | 139,770 (Direct) | View |
| 2023-04-10 Exercise | 2023-04-12 5:21 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,032 | $0 | 144,638 (Direct) | View |
| 2023-04-10 Exercise | 2023-04-12 5:21 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,032 | $13.35 | 144,638 (Direct) | View |
| 2023-03-17 Tax Withholding | 2023-03-20 8:03 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,162 | $36.29 | 105,148 (Direct) | View |
| 2023-03-16 Tax Withholding | 2023-03-20 8:03 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,995 | $37.6 | 105,148 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-17 7:03 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 6,688 | $14.95 | 114,305 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-17 7:03 pm | N/A 2025-03-26 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 6,688 | $0 | 114,305 (Direct) | View |
| 2023-03-15 Tax Withholding | 2023-03-17 7:03 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,146 | $36.84 | 114,305 (Direct) | View |
| 2023-03-06 Option Award | 2023-03-08 4:38 pm | N/A 2033-03-06 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 74,341 | $0 | 174,955 (Direct) | View |
| 2023-03-01 Exercise | 2023-03-03 4:47 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,974 | $11.33 | 109,440 (Direct) | View |
| 2023-03-01 Exercise | 2023-03-03 4:47 pm | N/A 2026-03-17 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,974 | $0 | 109,440 (Direct) | View |
| 2022-08-09 Exercise | 2022-08-10 7:34 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $0 | 150,002 (Direct) | View |
| 2022-08-09 Exercise | 2022-08-10 7:34 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $13.35 | 150,002 (Direct) | View |
| 2022-06-30 Exercise | 2022-07-01 6:08 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 18,386 | $14.95 | 107,168 (Direct) | View |
| 2022-06-30 Exercise | 2022-07-01 6:08 pm | N/A 2025-03-26 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 18,386 | $0 | 107,168 (Direct) | View |
| 2022-05-19 Tax Withholding | 2022-05-20 5:53 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 378 | $33.7 | 104,609 (Direct) | View |
| 2022-03-16 Exercise | 2022-03-18 6:57 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 50,777 | $14.4 | 104,987 (Direct) | View |
| 2022-03-16 Tax Withholding | 2022-03-18 6:57 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,995 | $34.22 | 104,987 (Direct) | View |
| 2022-03-16 Exercise | 2022-03-18 6:57 pm | N/A 2024-04-21 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 50,777 | $0 | 104,987 (Direct) | View |
| 2022-03-17 Tax Withholding | 2022-03-18 6:57 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 4,162 | $34.18 | 104,987 (Direct) | View |
| 2022-03-15 Option Award | 2022-03-17 6:13 pm | N/A 2032-03-15 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 72,734 | $0 | 164,887 (Direct) | View |
| 2022-03-15 Tax Withholding | 2022-03-17 6:13 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 5,989 | $34.74 | 164,887 (Direct) | View |
| 2022-03-07 Exercise | 2022-03-09 4:06 pm | N/A 2027-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 13,026 | $0 | 165,564 (Direct) | View |
| 2022-03-07 Exercise | 2022-03-09 4:06 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 13,026 | $13.35 | 165,564 (Direct) | View |
| 2022-02-25 Exercise | 2022-03-01 4:05 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 23,000 | $14.95 | 131,116 (Direct) | View |
| 2022-02-25 Exercise | 2022-03-01 4:05 pm | N/A 2025-03-26 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 23,000 | $0 | 131,116 (Direct) | View |
| 2022-02-08 Exercise | 2022-02-09 9:06 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $14.95 | 154,116 (Direct) | View |
| 2022-02-08 Exercise | 2022-02-09 9:06 pm | N/A 2025-03-26 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $0 | 154,116 (Direct) | View |
| 2022-01-07 Exercise | 2022-01-11 6:22 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 47,776 | $14.4 | 223,596 (Direct) | View |
| 2022-01-07 Exercise | 2022-01-11 6:22 pm | N/A 2024-04-21 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 47,776 | $0 | 223,596 (Direct) | View |
| 2021-12-30 Exercise | 2022-01-04 4:52 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $14.4 | 204,595 (Direct) | View |
| 2021-12-30 Exercise | 2022-01-04 4:52 pm | N/A 2024-04-21 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $0 | 204,595 (Direct) | View |
| 2021-12-21 Exercise | 2021-12-22 5:04 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 8,256 | $14.4 | 214,595 (Direct) | View |
| 2021-12-21 Exercise | 2021-12-22 5:04 pm | N/A 2024-04-21 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 8,256 | $0 | 214,595 (Direct) | View |
| 2021-12-16 Exercise | 2021-12-17 7:52 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 1,744 | $14.4 | 222,851 (Direct) | View |
| 2021-12-16 Exercise | 2021-12-17 7:52 pm | N/A 2024-04-21 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 1,744 | $0 | 222,851 (Direct) | View |
| 2021-11-11 Exercise | 2021-11-12 7:42 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $11.33 | 125,489 (Direct) | View |
| 2021-11-11 Exercise | 2021-11-12 7:42 pm | N/A 2026-03-17 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $0 | 125,489 (Direct) | View |
| 2021-07-07 Exercise | 2021-07-08 6:32 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $11.33 | 142,078 (Direct) | View |
| 2021-07-07 Exercise | 2021-07-08 6:32 pm | N/A 2026-03-17 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,000 | $0 | 142,078 (Direct) | View |
| 2021-05-19 Option Award | 2021-05-20 6:32 pm | N/A 2031-05-19 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer | 10,256 | $0 | 118,558 (Direct) | View |
| 2021-03-17 Option Award | 2021-03-18 8:50 pm | N/A 2031-03-17 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 112,407 | $0 | 187,135 (Direct) | View |
| 2021-03-16 Tax Withholding | 2021-03-18 8:50 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 6,398 | $18.44 | 187,135 (Direct) | View |
| 2021-03-15 Tax Withholding | 2021-03-17 7:40 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 4,178 | $19.15 | 81 (Direct) | View |
| 2020-07-06 Exercise | 2020-07-08 4:05 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 10,000 | $11.33 | 140,964 (Direct) | View |
| 2020-07-06 Exercise | 2020-07-08 4:05 pm | N/A 2026-03-17 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 10,000 | $0 | 140,964 (Direct) | View |
| 2020-03-16 Tax Withholding | 2020-03-18 5:32 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 2,915 | $13.03 | 198,388 (Direct) | View |
| 2020-03-16 Option Award | 2020-03-18 5:32 pm | N/A 2030-03-16 | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 134,641 | $0 | 198,388 (Direct) | View |
| 2020-03-17 Tax Withholding | 2020-03-18 5:32 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 3,434 | $14.5 | 198,388 (Direct) | View |
| 2020-03-15 Tax Withholding | 2020-03-17 8:07 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer | 4,178 | $14.19 | 70,096 (Direct) | View |