William J. Peters - Feb 25, 2022 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ William J. Peters
Stock symbol
AMPH
Transactions as of
Feb 25, 2022
Transactions value $
-$311,000
Form type
4
Date filed
3/1/2022, 03:05 PM
Previous filing
Feb 9, 2022
Next filing
Mar 9, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $344K +23K +21.69% $14.95 129K Feb 25, 2022 Direct
transaction AMPH Common Stock Sale -$307K -11K -8.52% $27.95 118K Feb 25, 2022 Direct F1
transaction AMPH Common Stock Sale -$347K -12K -10.17% $28.95 106K Feb 25, 2022 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 -23K -47.84% $0.00 25.1K Feb 25, 2022 Common Stock 23K $14.95 Direct F2
* 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 Shares subject to the option are fully vested and immediately exercisable.