Gaugh David Russell bought AMPH
July 18, 2025 · Form 4 insider transaction
Gaugh David Russell bought 13,987 shares of Amphastar Pharmaceuticals, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
13,987
Price
$0.00
Total value
N/A
InsiderGaugh David Russell
RoleDirector
SecurityStock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateJuly 18, 2025
Filing dateJuly 22, 2025
Shares owned after13,987
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
All of the shares subject to the option vest on July 18, 2026.