Rong Zhou - Nov 11, 2021 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
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

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $81.9K +7.81K +9.4% $10.48 90.9K Nov 11, 2021 Direct
transaction AMPH Common Stock Sale -$169K -7.81K -8.59% $21.67 83.1K Nov 11, 2021 Direct F1
holding AMPH Common Stock 99.7K Nov 11, 2021 See footnote F2
holding AMPH Common Stock 5K Nov 11, 2021 See footnote F3

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.