William J. Peters - Mar 1, 2023 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ William J. Peters
Stock symbol
AMPH
Transactions as of
Mar 1, 2023
Transactions value $
-$274,350
Form type
4
Date filed
3/3/2023, 03:47 PM
Previous filing
Aug 10, 2022
Next filing
Mar 8, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $124K +11K +10.91% $11.33 112K Mar 1, 2023 Direct F1
transaction AMPH Common Stock Sale -$399K -11K -9.83% $36.33 101K Mar 1, 2023 Direct F2

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 -11K -55.42% $0.00 8.83K Mar 1, 2023 Common Stock 11K $11.33 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 134 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2022.
F2 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2022.
F3 Shares subject to the option are fully vested and immediately exercisable.