Richard K. Prins, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 12,000 shares at $20.33 ($244K) on 2020-08-11, disclosed to the SEC on 2020-08-12.
Seasonal sale ($244k) by Director — this insider has traded AMPH in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $20.33 | 6,000 | $122K | 50.0% |
| 2 | $20.33 | 6,000 | $122K | 50.0% |
| Total | $20.33 avg | 12,000 | $244K | 100% |
| Filing → |
| AMPH | SELL | 2024-12-11 | $875K | — | Filing → |
| AMPH | SELL | 2024-11-13 | $244K | — | Filing → |
| AMPH | SELL | 2024-08-13 | $1.5M | — | Filing → |