Amphastar Pharmaceuticals, Inc. — Director's Dealing 2021

Jun 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2021-06-07

Reporting Person: Lee Howard (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-07	Common Stock	M	7827	$16.43	Acquired	140741	Direct
2021-06-07	Common Stock	S	7827	$19.2847	Disposed	132914	Direct
2021-06-07	Common Stock	A	6019	$0.00	Acquired	138933	Direct
2021-06-08	Common Stock	M	8000	$16.43	Acquired	146933	Direct
2021-06-08	Common Stock	S	8000	$19.3135	Disposed	138933	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-07	Stock Option (right to buy)	$16.43	D	7827	Disposed	2021-06-09	Common Stock (7827)	Direct
2021-06-07	Stock Option (right to buy)	$19.52	A	17182	Acquired	2029-06-07	Common Stock (17182)	Direct
2021-06-08	Stock Option (right to buy)	$16.43	D	8000	Disposed	2021-06-09	Common Stock (8000)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.20 to $19.40 shares sold at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2: The reported shares are represented by restricted stock units, or RSUs, all of which vest on June 7, 2022.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.30 to $19.353, inclusive.

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

F5: All of the shares subject to the option vest on June 7, 2022.