Rong Zhou, EVP, Production Center at Amphastar Pharmaceuticals, Inc. (AMPH), sold 25,824 shares at $19.58 ($502K) on 2021-06-09, disclosed to the SEC on 2021-06-10.
Seasonal sale ($502k) by EVP, Production Center — this insider has traded AMPH in June in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $19.34 | 8,180 | $158K | 31.5% |
| 2 | $19.34 | 8,180 | $158K | 31.5% |
| 3 | $19.58 | 4,732 | $93K | 18.5% |
| 4 | $19.58 | 4,732 | $93K | 18.5% |
| Total | $19.43 avg | 25,824 | $502K | 100% |
| Filing → |
| AMPH | SELL | 2024-12-16 | $673K | — | Filing → |
| AMPH | SELL | 2024-11-13 | $674K | — | Filing → |
| AMPH | SELL | 2024-09-17 | $145K | — | Filing → |