Rong Zhou, EVP, Production Center at Amphastar Pharmaceuticals, Inc. (AMPH), sold 41,856 shares at $24.96 ($1.1M) on 2022-01-10, disclosed to the SEC on 2022-01-11.
Open-market sale of $1.1M AMPH by EVP, Production Center. 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 | $24.96 | 10,677 | $266K | 25.1% |
| 2 | $24.96 | 10,677 | $266K | 25.1% |
| 3 | $25.77 | 10,251 | $264K | 24.9% |
| 4 | $25.77 | 10,251 | $264K | 24.9% |
| Total | $25.36 avg | 41,856 | $1.1M | 100% |
| Filing → |
| AMPH | SELL | 2024-12-16 | $673K | — | Filing → |
| AMPH | SELL | 2024-11-13 | $674K | — | Filing → |
| AMPH | SELL | 2024-09-17 | $145K | — | Filing → |