Y. Jack Zhang

Affiliations

  • Ceo & Chief Scientific Officer at Amphastar Pharmaceuticals Inc. (AMPH), 2024-11-13
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
AMPH $16.06 15,000 Large Shareholder, Officer, Director 2,080,619 2018-05-16 Filing
AMPH $16.08 25,000 Large Shareholder, Officer, Director 2,065,619 2018-05-15 Filing
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
AMPH $34.21 10,650 Large Shareholder, Officer, Director 2,104,143 2022-05-20 Filing
AMPH $34.28 115 Large Shareholder, Officer, Director 2,114,793 2022-05-19 Filing
AMPH $33.76 41,615 Large Shareholder, Officer, Director 2,114,908 2022-05-19 Filing
AMPH $35.78 2,006 Large Shareholder, Officer, Director 2,156,523 2022-05-18 Filing
AMPH $34.77 9,776 Large Shareholder, Officer, Director 2,158,529 2022-05-18 Filing