Richard K. Prins, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 10,000 shares at $18.77 ($187K) on 2021-06-04, disclosed to the SEC on 2021-06-08.
Seasonal sale ($187k) by Director — this insider has traded AMPH in June in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $18.77 | 5,000 | $94K | 50.1% |
| 2 | $18.70 | 5,000 | $94K | 49.9% |
| Total | $18.73 avg | 10,000 | $187K | 100% |
| Filing → |
| AMPH | SELL | 2024-12-11 | $875K | — | Filing → |
| AMPH | SELL | 2024-11-13 | $244K | — | Filing → |
| AMPH | SELL | 2024-08-13 | $1.5M | — | Filing → |