Jack Y. Zhang, CEO & Chief Science Officer, COO Chief Scientist & Chairman at Amphastar Pharmaceuticals, Inc. (AMPH), sold 887,898 shares at $21.33 ($18.7M) on 2016-09-20, disclosed to the SEC on 2016-09-22.
Open-market sale of $18.7M AMPH by CEO & Chief Science Officer, COO Chief Scientist & Chairman. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $20.73 | 76,152 | $1.6M | 8.5% |
| 2 | $20.73 | 76,152 | $1.6M | 8.5% |
| 3 | $20.74 | 86,555 | $1.8M | 9.6% |
| 4 | $20.74 | 86,555 | $1.8M | 9.6% |
| 5 | $21.33 | 95,213 | $2.0M | 10.9% |
| 6 | $21.33 | 95,213 |
| $2.0M |
| 10.9% |
| 7 | $21.33 | 131,198 | $2.8M | 15.0% |
| 8 | $21.33 | 131,198 | $2.8M | 15.0% |
| 9 | $20.70 | 54,581 | $1.1M | 6.0% |
| 10 | $20.70 | 54,581 | $1.1M | 6.0% |
| 11 | $21.45 | 500 | $11K | 0.1% |
| Total | $21.03 avg | 887,898 | $18.7M | 100% |
| Filing → |
| AMPH | SELL | 2021-02-18 | $1.1M | — | Filing → |
| AMPH | SELL | 2021-02-12 | $1.8M | — | Filing → |
| AMPH | SELL | 2021-02-09 | $1.5M | — | Filing → |