PETERS WILLIAM J sold AMPH
August 7, 2026 · Form 4 insider transaction
PETERS WILLIAM J sold 8,180 shares of Amphastar Pharmaceuticals, Inc. at $22.48 per share, a transaction worth $183.9K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
8,180
Price
$22.48
Total value
$183.9K
InsiderPETERS WILLIAM J
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 7, 2026
Filing dateAugust 11, 2026
Shares owned after172,846
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2026.