Richard K. Prins, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 20,410 shares at $43.77 ($875K) on 2024-12-09, disclosed to the SEC on 2024-12-11.
Open-market sale of $875k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $0.00 | 410 | $0 | 0.0% |
| 2 | $43.77 | 10,000 | $438K | 50.0% |
| 3 | $43.77 | 10,000 | $438K | 50.0% |
| Total | $42.89 avg | 20,410 | $875K | 100% |
| Filing → |
| AMPH | SELL | 2024-11-13 | $244K | — | Filing → |
| AMPH | SELL | 2024-08-13 | $1.5M | — | Filing → |
| AMPH | SELL | 2023-11-20 | $223K | — | Filing → |