Rong Zhou - Nov 11, 2021 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Nov 11, 2021
Transactions value $
-$87,427
Form type
4
Date filed
11/12/2021, 06:44 PM
Previous filing
Aug 4, 2021
Next filing
Jan 11, 2022

Transactions Table

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 -7.81K -100% $0.00* 0 Nov 11, 2021 Common Stock 7.81K $10.48 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 16, 2021.
F2 The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
F3 The shares are held of record by the reporting person's spouse.
F4 Shares subject to the option are fully vested and immediately exercisable.