Liawatidewi Yakob sold AMPH

March 6, 2026 · Form 4 insider transaction

Liawatidewi Yakob sold 1,144 shares of Amphastar Pharmaceuticals, Inc. at $19.34 per share, a transaction worth $22.1K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Disposed (sell-side)
Shares
1,144
Price
$19.34
Total value
$22.1K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 6, 2026
Filing dateMarch 10, 2026
Shares owned after89,345
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.

View the original Form 4 on SEC EDGAR