Richard K. Prins, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 5,000 shares at $55.86 ($223K) on 2023-11-17, disclosed to the SEC on 2023-11-20.
Open-market sale of $223k 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 | 1,000 | $0 | 0.0% |
| 2 | $55.86 | 4,000 | $223K | 100.0% |
| Total | $44.69 avg | 5,000 | $223K | 100% |
| Filing → |
| AMPH | SELL | 2024-12-11 | $875K | — | Filing → |
| AMPH | SELL | 2024-11-13 | $244K | — | Filing → |
| AMPH | SELL | 2024-08-13 | $1.5M | — | Filing → |