Richard Koo

Insider Reports History

Entity
Individual
Location
11570 6 Th Street, Rancho Cucamonga, CA
Signature
/s/ Eva Wen, by power of attorney
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Richard Koo:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Amphastar Pharmaceuticals, Inc. Director Common Stock 259K $14.8M $57.00 Jun 7, 2021 Direct
Amphastar Pharmaceuticals, Inc. Director Common Stock 10K $570K $57.00 Jun 7, 2021 Indirect
Amphastar Pharmaceuticals, Inc. Director Stock Option (right to buy) 17.2K Jun 7, 2021 Direct

Insider Reports Filed by Richard Koo

Symbol Company Period Transactions Value $ Form Type Date Filed Role
AMPH Amphastar Pharmaceuticals, Inc. Jun 7, 2021 2 $0 4 Jun 8, 2021 Director
AMPH Amphastar Pharmaceuticals, Inc. Jun 1, 2021 3 -$73.7K 4 Jun 2, 2021 Director