Amphastar Pharmaceuticals, Inc. — Director's Dealing 2020

Mar 18, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amphastar Pharmaceuticals, Inc. (AMPH)
CIK: 0001297184
Period of Report: 2020-03-16

Reporting Person: PETERS WILLIAM J (CFO, SVP & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-03-16	Common Stock	F	2915	$13.03	Disposed	67181	Direct
2020-03-16	Common Stock	A	40291	$0.00	Acquired	107472	Direct
2020-03-17	Common Stock	F	3434	$14.50	Disposed	104038	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-03-16	Employee Stock Option (right to buy)	$13.03	A	94350	Acquired	2030-03-16	Common Stock (94350)	Direct

Footnotes

F1: The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.

F2: The reported shares are represented by RSUs which vest in four equal annual installments beginning on March 16, 2021.

F3: Shares subject to the option vest in four equal annual installments beginning on March 16, 2021.