Richard Koo

Affiliations

  • Director at Amphastar Pharmaceuticals Inc. (AMPH), 2021-06-09
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
AMPH $10.08 4,900 Director 214,722 2014-08-15 Filing
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
AMPH $19.28 25,827 Director 253,270 2021-06-01 Filing
AMPH $18.18 47,782 Director 247,419 2020-05-27 Filing
AMPH $21.32 29,278 Director 241,928 2018-12-11 Filing