William J. Peters - Apr 17, 2023 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ William J. Peters
Stock symbol
AMPH
Transactions as of
Apr 17, 2023
Transactions value $
-$163,328
Form type
4
Date filed
4/18/2023, 08:07 PM
Previous filing
Apr 14, 2023
Next filing
May 22, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $75.2K +5.63K +5.36% $13.35 111K Apr 17, 2023 Direct
transaction AMPH Common Stock Sale -$239K -5.63K -5.08% $42.35 105K Apr 17, 2023 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 -5.63K -16.27% $0.00 29K Apr 17, 2023 Common Stock 5.63K $13.35 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

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 May 18, 2022.
F2 Shares subject to the option are fully vested and immediately exercisable.