WILLIAM J. PETERS - 10 Mar 2025 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
CFO, EVP & TREASURER, Director
Signature
/s/ William J. Peters
Issuer symbol
AMPH
Transactions as of
10 Mar 2025
Transactions value $
$0
Form type
4
Filing time
12 Mar 2025, 16:14:45 UTC
Previous filing
10 Mar 2025
Next filing
18 Mar 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Award $0 +36,747 +39% $0 130,230 10 Mar 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AMPH Employee Stock Option (right to buy) Award $0 +78,039 $0 78,039 10 Mar 2025 Common Stock 78,039 $28.41 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 10, 2026.
F2 The shares subject to the option vest in four equal annual installments beginning on March 10, 2026.