Jack Y. Zhang, CEO & Chief Scientific Officer, 10% Owner, COO, Chief Scientist & Chairman at Amphastar Pharmaceuticals, Inc. (AMPH), sold 83,738 shares at $18.89 ($1.6M) on 2021-02-04, disclosed to the SEC on 2021-02-05.
Open-market sale of $1.6M AMPH by CEO & Chief Scientific Officer, 10% Owner, 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.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $18.36 | 16,299 | $299K | 19.1% |
| 2 | $18.36 | 16,299 | $299K | 19.1% |
| 3 | $18.89 | 25,570 | $483K | 30.9% |
| 4 | $18.89 | 25,570 | $483K | 30.9% |
| Total | $18.68 avg | 83,738 | $1.6M | 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 → |