Mary Z. Luo, CEO & Chief Scientific Officer at Amphastar Pharmaceuticals, Inc. (AMPH), sold 217,437 shares at $34.77 ($7.4M) on 2022-05-18, disclosed to the SEC on 2022-05-20.
Open-market sale of $7.4M 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.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $33.97 | 55,264 | $1.9M | 25.4% |
| 2 | $33.97 | 55,264 | $1.9M | 25.4% |
| 3 | $34.77 | 9,776 | $340K | 4.6% |
| 4 | $34.77 | 9,776 | $340K | 4.6% |
| 5 | $35.78 | 2,006 | $72K | 1.0% |
| 6 | $35.78 | 2,006 |
| $72K |
| 1.0% |
| 7 | $33.76 | 41,615 | $1.4M | 19.0% |
| 8 | $33.76 | 41,615 | $1.4M | 19.0% |
| 9 | $34.28 | 115 | $4K | 0.1% |
| Total | $34.00 avg | 217,437 | $7.4M | 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 → |