Mary Z. Luo, COO, Chief Scientist & Chairman, 10% Owner, CEO & Chief Scientific Officer at Amphastar Pharmaceuticals, Inc. (AMPH), sold 300,000 shares at $20.82 ($6.2M) on 2019-09-11, disclosed to the SEC on 2019-09-12.
Open-market sale of $6.2M AMPH by COO, Chief Scientist & Chairman, 10% Owner, CEO & Chief Scientific Officer. 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.
| Filing → |
| AMPH | SELL | 2022-05-18 | $8.5M | — | Filing → |
| AMPH | SELL | 2018-12-13 | $5.7M | — | Filing → |
| AMPH | SELL | 2015-12-11 | $902K | — | Filing → |