Floyd Petersen - Mar 1, 2022 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role: Director
Signature: /s/ Eva Wen, by power of attorney
Stock symbol: AMPH
Transactions as of: Mar 1, 2022
Transactions value $: -$13,635
Form type: 4
Date filed: 3/1/2022, 05:54 PM
Previous filing: Feb 2, 2022
Next filing: Apr 4, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMPH	Common Stock	Sale	-$13.6K	-500	-0.65%	$27.27	76.9K	Mar 1, 2022	Direct	F1, 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 November 22, 2021.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.02 to $27.755, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Content

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 22, 2021.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.02 to $27.755, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.