Amphastar Pharmaceuticals, Inc. — Director's Dealing 2021

Jul 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2021-07-15

Reporting Person: Liawatidewi Yakob (EVP Corp Admin Center)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-15	Common Stock	M	23352	$13.35	Acquired	77927	Direct
2021-07-15	Common Stock	M	7674	$13.03	Acquired	85601	Direct
2021-07-15	Common Stock	S	31524	$20.0066	Disposed	54077	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-15	Employee Stock Option (right to buy)	$13.35	M	23352	Disposed	2027-03-16	Common Stock (23352)	Direct
2021-07-15	Employee Stock Option (right to buy)	$13.03	M	7674	Disposed	2030-03-16	Common Stock (7674)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2459	Indirect

Footnotes

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 11, 2021.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.80 to $20.12, 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.

F3: The reported shares are held of record by the Yakob and Sunmoon Trust dated July 25, 2013 for which the reporting person serves as a trustee.

F4: Shares subject to the option are fully vested and immediately exercisable.

F5: Shares subject to the option vest in four equal annual installments beginning on March 16, 2021.