SEC Form 4 · accession 0000899243-15-010076

Amphastar Pharmaceuticals, Inc. · AMPH

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Director

Period of report

Dec 16, 2015

Accepted (ET)

Dec 17, 2015 · 7:24 pm EST

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001297184

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Dec 16, 2015	M	16,538	$11.68	A	42,863	D
Common Stock^F2	Dec 16, 2015	S	16,538	$14.194	D	26,325	D
Common Stock	Dec 17, 2015	M	14,232	$11.68	A	40,557	D
Common Stock^F3	Dec 17, 2015	S	14,232	$14.2013	D	26,325	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Option (right to buy)^F4	$11.68	Dec 16, 2015	M	16,538	D	—	Dec 18, 2015	Common Stock	16,538	14,232	D
Stock Option (right to buy)^F4	$11.68	Dec 17, 2015	M	14,232	D	—	Dec 18, 2015	Common Stock	14,232	0	D

F1The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 10, 2015.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.03 to $14.37, 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 pricewithin the ranges set forth in footnotes (2) and (3) to this Form 4.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.02 to $14.39, inclusive.
F4Shares subject to the option are fully vested and immediately exercisable.