Petersen F. Floyd's most recent trade in Amphastar Pharmaceuticals Inc was a trade of 500 Common Stock done at an average price of $23.5 . Disclosure was reported to the exchange on July 2, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 23.47 per share. | 02 Jul 2025 | 500 | 77,531 (0%) | 0% | 23.5 | 11,734 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jun 2025 | 11,402 | 11,402 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jun 2025 | 5,122 | 78,031 (0%) | 0% | 0 | Common Stock | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 25.67 per share. | 02 Jun 2025 | 500 | 72,909 (0%) | 0% | 25.7 | 12,835 | Common Stock |
| Amphastar Pharmaceuticals Inc | Petersen Floyd F. | Director | Sale of securities on an exchange or to another person at price $ 24.08 per share. | 01 May 2025 | 500 | 73,409 (0%) | 0% | 24.1 | 12,041 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 28.38 per share. | 01 Apr 2025 | 500 | 73,909 (0%) | 0% | 28.4 | 14,190 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 27.99 per share. | 06 Mar 2025 | 1,000 | 74,409 (0%) | 0% | 28.0 | 27,986 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 46.47 per share. | 05 Sep 2024 | 3,000 | 75,409 (0%) | 0% | 46.5 | 139,417 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 41.40 per share. | 10 Jun 2024 | 3,000 | 78,409 (0%) | 0% | 41.4 | 124,200 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jun 2024 | 6,864 | 6,864 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jun 2024 | 3,076 | 81,409 (0%) | 0% | 0 | Common Stock | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 42.65 per share. | 03 Jun 2024 | 500 | 78,333 (0%) | 0% | 42.7 | 21,326 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 41.67 per share. | 01 May 2024 | 500 | 78,833 (0%) | 0% | 41.7 | 20,837 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 43.43 per share. | 01 Apr 2024 | 500 | 79,333 (0%) | 0% | 43.4 | 21,714 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 45.60 per share. | 01 Mar 2024 | 451 | 79,882 (0%) | 0% | 45.6 | 20,567 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 46.53 per share. | 01 Mar 2024 | 49 | 79,833 (0%) | 0% | 46.5 | 2,280 | Common Stock |
| Amphastar Pharmaceuticals Inc | Petersen F. Floyd | Director | Sale of securities on an exchange or to another person at price $ 53.07 per share. | 01 Feb 2024 | 474 | 80,359 (0%) | 0% | 53.1 | 25,154 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd Petersen F. | Director | Sale of securities on an exchange or to another person at price $ 53.65 per share. | 01 Feb 2024 | 26 | 80,333 (0%) | 0% | 53.7 | 1,395 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 61.70 per share. | 02 Jan 2024 | 353 | 80,833 (0%) | 0% | 61.7 | 21,781 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd Petersen F. | Director | Sale of securities on an exchange or to another person at price $ 60.56 per share. | 02 Jan 2024 | 147 | 81,186 (0%) | 0% | 60.6 | 8,902 | Common Stock |
| Amphastar Pharmaceuticals Inc | Petersen Floyd F. | Director | Sale of securities on an exchange or to another person at price $ 58.15 per share. | 01 Dec 2023 | 365 | 81,333 (0%) | 0% | 58.2 | 21,225 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 57.24 per share. | 01 Dec 2023 | 135 | 81,698 (0%) | 0% | 57.2 | 7,727 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Jun 2023 | 7,016 | 7,016 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Jun 2023 | 2,716 | 82,833 (0%) | 0% | 0 | Common Stock | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 43.13 per share. | 17 May 2023 | 5,000 | 80,117 (0%) | 0% | 43.1 | 215,655 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 37.72 per share. | 03 Apr 2023 | 491 | 85,117 (0%) | 0% | 37.7 | 18,519 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 36.59 per share. | 01 Mar 2023 | 412 | 85,695 (0%) | 0% | 36.6 | 15,074 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 37.25 per share. | 01 Mar 2023 | 87 | 85,608 (0%) | 0% | 37.3 | 3,241 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 34.00 per share. | 01 Mar 2023 | 1 | 86,107 (0%) | 0% | 34 | 34 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 30.35 per share. | 01 Feb 2023 | 500 | 86,108 (0%) | 0% | 30.4 | 15,176 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 27.94 per share. | 03 Jan 2023 | 500 | 86,608 (0%) | 0% | 27.9 | 13,971 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 30.13 per share. | 01 Dec 2022 | 500 | 87,108 (0%) | 0% | 30.1 | 15,067 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 31.13 per share. | 01 Nov 2022 | 500 | 87,608 (0%) | 0% | 31.1 | 15,565 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 28.59 per share. | 03 Oct 2022 | 500 | 88,108 (0%) | 0% | 28.6 | 14,296 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 37.48 per share. | 01 Aug 2022 | 500 | 89,108 (0%) | 0% | 37.5 | 18,739 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 34.78 per share. | 01 Jul 2022 | 500 | 89,608 (0%) | 0% | 34.8 | 17,391 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Jun 2022 | 10,984 | 10,984 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Jun 2022 | 4,163 | 90,108 (0%) | 0% | 0 | Common Stock | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 36.79 per share. | 01 Jun 2022 | 380 | 86,065 (0%) | 0% | 36.8 | 13,979 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 37.68 per share. | 01 Jun 2022 | 120 | 85,945 (0%) | 0% | 37.7 | 4,521 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 May 2022 | 20,291 | 0 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.11 per share. | 18 May 2022 | 20,291 | 96,369 (0%) | 0% | 17.1 | 347,179 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 35.05 per share. | 18 May 2022 | 9,924 | 86,445 (0%) | 0% | 35.0 | 347,826 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 35.15 per share. | 02 May 2022 | 268 | 76,105 (0%) | 0% | 35.1 | 9,419 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 35.52 per share. | 02 May 2022 | 27 | 76,078 (0%) | 0% | 35.5 | 959 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 36.59 per share. | 01 Apr 2022 | 437 | 76,436 (0%) | 0% | 36.6 | 15,992 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 37.35 per share. | 01 Apr 2022 | 63 | 76,373 (0%) | 0% | 37.3 | 2,353 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 27.27 per share. | 01 Mar 2022 | 500 | 76,873 (0%) | 0% | 27.3 | 13,635 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 24.24 per share. | 01 Feb 2022 | 411 | 77,373 (0%) | 0% | 24.2 | 9,961 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 23.37 per share. | 01 Feb 2022 | 89 | 77,784 (0%) | 0% | 23.4 | 2,080 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 23.22 per share. | 03 Jan 2022 | 500 | 77,873 (0%) | 0% | 23.2 | 11,609 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 22.50 per share. | 22 Dec 2021 | 1,000 | 78,373 (0%) | 0% | 22.5 | 22,503 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Jun 2021 | 17,182 | 17,182 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 07 Jun 2021 | 15,827 | 0 | - | - | Stock Option (right to buy) | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 16.43 per share. | 07 Jun 2021 | 15,827 | 89,181 (0%) | 0% | 16.4 | 260,038 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 19.34 per share. | 07 Jun 2021 | 15,827 | 73,354 (0%) | 0% | 19.3 | 306,039 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Jun 2021 | 6,019 | 79,373 (0%) | 0% | 0 | Common Stock | |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 18.26 per share. | 01 Feb 2021 | 639 | 73,354 (0%) | 0% | 18.3 | 11,669 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 17.87 per share. | 01 Dec 2020 | 500 | 73,993 (0%) | 0% | 17.9 | 8,936 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 19.84 per share. | 02 Nov 2020 | 500 | 74,493 (0%) | 0% | 19.8 | 9,920 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 18.89 per share. | 01 Oct 2020 | 500 | 74,993 (0%) | 0% | 18.9 | 9,446 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 19.90 per share. | 01 Sep 2020 | 500 | 75,493 (0%) | 0% | 19.9 | 9,948 | Common Stock |
| Amphastar Pharmaceuticals Inc | Floyd F. Petersen | Director | Sale of securities on an exchange or to another person at price $ 20.62 per share. | 03 Aug 2020 | 500 | 75,993 (0%) | 0% | 20.6 | 10,308 | Common Stock |