Floyd F. Petersen, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 5,000 shares at $43.13 ($216K) on 2023-05-17, disclosed to the SEC on 2023-05-18.
Open-market sale of $216k AMPH by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| AMPH | SELL | 2025-11-05 | $13K | — | Filing → |
| AMPH | SELL | 2025-10-02 | $14K | — | Filing → |
| AMPH | SELL | 2025-09-03 | $15K | — | Filing → |