Rong Zhou - Jul 20, 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
Jul 20, 2021
Transactions value $
-$52,337
Form type
4
Date filed
7/22/2021, 04:13 PM
Previous filing
Jun 10, 2021
Next filing
Jul 27, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $54.4K +5.19K +6.01% $10.48 91.4K Jul 20, 2021 Direct
transaction AMPH Common Stock Sale -$107K -5.19K -5.67% $20.57 86.2K Jul 20, 2021 Direct F1
holding AMPH Common Stock 99.7K Jul 20, 2021 See footnote F2
holding AMPH Common Stock 5K Jul 20, 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 -5.19K -20.75% $0.00 19.8K Jul 20, 2021 Common Stock 5.19K $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.