Mary Z. Luo, CEO & Chief Scientific Officer at Amphastar Pharmaceuticals, Inc. (AMPH), sold 236,890 shares at $35.74 ($8.5M) on 2022-05-17, disclosed to the SEC on 2022-05-18.
Open-market sale of $8.5M AMPH by 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $35.58 | 54,274 | $1.9M | 22.8% |
| 2 | $35.58 | 54,274 | $1.9M | 22.8% |
| 3 | $36.41 | 13,795 | $502K | 5.9% |
| 4 | $36.41 | 13,795 | $502K | 5.9% |
| 5 | $35.74 | 47,539 | $1.7M | 20.1% |
| 6 | $35.74 | 47,539 |
| $1.7M |
| 20.1% |
| 7 | $36.14 | 2,837 | $103K | 1.2% |
| 8 | $36.14 | 2,837 | $103K | 1.2% |
| Total | $35.75 avg | 236,890 | $8.5M | 100% |
| Filing → |
| AMPH | SELL | 2019-09-12 | $6.2M | — | Filing → |
| AMPH | SELL | 2018-12-13 | $5.7M | — | Filing → |
| AMPH | SELL | 2015-12-11 | $902K | — | Filing → |