David Russell Gaugh

Insider Reports History

Location
C/O Amphastar Pharmaceuticals, Inc., 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 David Russell Gaugh:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Amphastar Pharmaceuticals, Inc. Director Common Stock 6.3K $152K $24.11 Jul 18, 2025 Direct
Amphastar Pharmaceuticals, Inc. Director Stock Option (right to buy) 14K Jul 18, 2025 Direct

Insider Reports Filed by David Russell Gaugh

Symbol Company Period Transactions Value $ Form Type Date Filed Role
AMPH Amphastar Pharmaceuticals, Inc. Jul 18, 2025 2 $0 4 Jul 22, 2025 Director
AMPH Amphastar Pharmaceuticals, Inc. Jul 18, 2025 0 $0 3 Jul 22, 2025 Director