Richard Koo, Director at Amphastar Pharmaceuticals, Inc. (AMPH), sold 58,556 shares at $21.32 ($1.2M) on 2018-12-11, disclosed to the SEC on 2018-12-12.
Open-market sale of $1.2M 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 | $21.32 | 29,278 | $624K | 50.0% |
| 2 | $21.32 | 29,278 | $624K | 50.0% |
| Total | $21.32 avg | 58,556 | $1.2M | 100% |
| Filing → |
| AMPH | BUY | 2014-08-19 | $49K | — | Filing → |