William J. Peters - 09 Aug 2022 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role: CFO, EVP & Treasurer
Signature: /s/ William J. Peters
Issuer symbol: AMPH
Transactions as of: 09 Aug 2022
Net transactions value: -$250,000
Form type: 4
Filing time: 10 Aug 2022, 19:34:12 UTC
Previous filing: 01 Jul 2022
Next filing: 03 Mar 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	$133,500	+10,000	+10%	$13.35	110,480	09 Aug 2022	Direct
transaction	AMPH	Common Stock	Sale	$383,500	-10,000	-9.1%	$38.35	100,480	09 Aug 2022	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)	Options Exercise	$0	-10,000	-17%	$0.000000	49,522	09 Aug 2022	Common Stock	10,000	$13.35	Direct	F2

* 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 May 18, 2022.
F2	Shares subject to the option are fully vested and immediately exercisable.