Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Amphastar Pharmaceuticals Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Amphastar Pharmaceuticals Inc. June 5, 202373.2%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 12, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −2,426 | $25.92 | $62,882 |
| Dec 11, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −1,737 | $25.69 | $44,624 |
| Nov 13, 2025 | Amphastar Pharmaceuticals Inc. | Option exercise | +16,679 | $16.69 | $278,373 |
| Nov 13, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −16,679 | $26.49 | $441,827 |
| Nov 3, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $25.27 | $12,635 |
| Oct 1, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $27.20 | $13,600 |
| Sep 2, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $30.98 | $15,490 |
| Aug 1, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $20.83 | $10,415 |
| Jul 2, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $23.47 | $11,735 |
| Jun 2, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $25.67 | $12,835 |
| Jun 2, 2025 | Amphastar Pharmaceuticals Inc. | Grant or award | +5,122 | — | — |
| May 1, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $24.08 | $12,040 |
| Apr 1, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −500 | $28.38 | $14,190 |
| Mar 6, 2025 | Amphastar Pharmaceuticals Inc. | Open-market sale | −1,000 | $27.99 | $27,990 |
| Sep 5, 2024 | Amphastar Pharmaceuticals Inc. | Open-market sale | −3,000 | $46.47 | $139,410 |
Questions about Floyd F. Petersen
What boards is Floyd F. Petersen on?
Floyd F. Petersen sits on the board of Amphastar Pharmaceuticals Inc.
How long has Floyd F. Petersen served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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