Rong Zhou, SENIOR EVP, PRODUCTION CENTER at Amphastar Pharmaceuticals, Inc. (AMPH), sold 19,574 shares at $26.20 ($513K) on 2025-12-17, disclosed to the SEC on 2025-12-18.
Open-market sale of $513k AMPH by SENIOR 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 | $26.20 | 9,787 | $256K | 50.0% |
| 2 | $26.20 | 9,787 | $256K | 50.0% |
| Total | $26.20 avg | 19,574 | $513K | 100% |
| Filing → |
| AMPH | SELL | 2024-11-13 | $674K | — | Filing → |
| AMPH | SELL | 2024-09-17 | $145K | — | Filing → |
| AMPH | SELL | 2024-08-27 | $193K | — | Filing → |