Richard K. Prins, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 15,000 shares at $22.58 ($339K) on 2019-08-23, disclosed to the SEC on 2019-08-27.
Seasonal sale ($339k) 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 | $22.58 | 3,882 | $88K | 25.9% |
| 2 | $22.58 | 3,882 | $88K | 25.9% |
| 3 | $22.60 | 3,618 | $82K | 24.1% |
| 4 | $22.60 | 3,618 | $82K | 24.1% |
| Total | $22.59 avg | 15,000 | $339K | 100% |
| Filing → |
| AMPH | SELL | 2024-12-11 | $875K | — | Filing → |
| AMPH | SELL | 2024-11-13 | $244K | — | Filing → |
| AMPH | SELL | 2024-08-13 | $1.5M | — | Filing → |