Y. Jack Zhang
Affiliations
- Ceo & Chief Scientific Officer at Amphastar Pharmaceuticals Inc. (AMPH), 2025-06-16
Insider Trading: Purchases See All
| Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| AMPH | $16.06 | 15,000 | $240,853.50 | 2,080,619 | 2018-05-16 | Filing |
| AMPH | $16.08 | 25,000 | $401,970.00 | 2,065,619 | 2018-05-15 | Filing |
Insider Trading: Sales See All
| Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| AMPH | $34.21 | 10,650 | $364,365.26 | 2,104,143 | 2022-05-20 | Filing |
| AMPH | $34.28 | 115 | $3,942.20 | 2,114,793 | 2022-05-19 | Filing |
| AMPH | $33.76 | 41,615 | $1,404,818.36 | 2,114,908 | 2022-05-19 | Filing |
| AMPH | $35.78 | 2,006 | $71,779.09 | 2,156,523 | 2022-05-18 | Filing |
| AMPH | $34.77 | 9,776 | $339,926.18 | 2,158,529 | 2022-05-18 | Filing |