WILLIAM J. PETERS - 15 Mar 2025 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ William J. Peters
Issuer symbol
AMPH
Transactions as of
15 Mar 2025
Net transactions value
-$135,648
Form type
4
Filing time
18 Mar 2025, 18:38:18 UTC
Previous filing
12 Mar 2025
Next filing
20 May 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Tax liability $52,467 -1,968 -1.5% $26.66 128,262 15 Mar 2025 Direct F1
transaction AMPH Common Stock Tax liability $83,181 -3,004 -2.3% $27.69 125,258 17 Mar 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.