WILLIAM J. PETERS - 16 Dec 2021 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ William J. Peters
Issuer symbol
AMPH
Transactions as of
16 Dec 2021
Net transactions value
-$13,952
Form type
4
Filing time
17 Dec 2021, 18:52:06 UTC
Previous filing
12 Nov 2021
Next filing
22 Dec 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $25,114 +1,744 +1.6% $14.40 107,786 16 Dec 2021 Direct F2
transaction AMPH Common Stock Sale $39,066 -1,744 -1.6% $22.40 106,042 16 Dec 2021 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AMPH Employee Stock Option (right to buy) Options Exercise $0 -1,744 -1.5% $0.000000 116,809 16 Dec 2021 Common Stock 1,744 $14.40 Direct F3
* 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 June 7, 2021.
F2 Includes 353 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2021.
F3 Shares subject to the option are fully vested and immediately exercisable.