Rong Zhou - Jun 20, 2023 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
EVP, Production Center
Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Jun 20, 2023
Transactions value $
$109,346
Form type
4
Date filed
6/21/2023, 05:05 PM
Previous filing
Jun 20, 2023
Next filing
Dec 5, 2023
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $109K +9.65K +9.4% $11.33* 112K Jun 20, 2023 Direct
holding AMPH Common Stock 99.7K Jun 20, 2023 See footnote F1
holding AMPH Common Stock 5K Jun 20, 2023 See footnote F2

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) Options Exercise $0 -9.65K -28.02% $0.00 24.8K Jun 20, 2023 Common Stock 9.65K $11.33 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
F2 The shares are held of record by the reporting person's spouse.
F3 Shares subject to the option are fully vested and immediately exercisable.