Michael A. Zasloff, Director at Amphastar Pharmaceuticals, Inc. (AMPH), bought 3,500 shares at $10.00 ($35K) on 2014-08-19, disclosed to the SEC on 2014-08-20.
Open-market purchase of $35k AMPH by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| AMPH | SELL | 2023-05-16 | $316K | — | Filing → |
| AMPH | SELL | 2022-05-17 | $733K | — | Filing → |
| AMPH | SELL | 2022-03-17 | $337K | — | Filing → |