Floyd F. Petersen, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 6,589 shares at $25.92 ($170K) on 2025-12-12, disclosed to the SEC on 2025-12-15.
Seasonal sale ($170k) by Director — this insider has traded AMPH in December in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $25.69 | 1,737 | $45K | 26.2% |
| 2 | $25.92 | 2,426 | $63K | 36.9% |
| 3 | $25.92 | 2,426 | $63K | 36.9% |
| Total | $25.86 avg | 6,589 | $170K | 100% |
| Filing → |
| AMPH | SELL | 2025-10-02 | $14K | — | Filing → |
| AMPH | SELL | 2025-09-03 | $15K | — | Filing → |
| AMPH | SELL | 2025-08-04 | $10K | — | Filing → |