WILLIAM J. PETERS - 11 Nov 2021 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ William J. Peters
Issuer symbol
AMPH
Transactions as of
11 Nov 2021
Net transactions value
-$100,000
Form type
4
Filing time
12 Nov 2021, 18:42:31 UTC
Previous filing
17 Aug 2021
Next filing
17 Dec 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $113,300 +10,000 +9.5% $11.33* 115,689 11 Nov 2021 Direct
transaction AMPH Common Stock Sale $213,300 -10,000 -8.6% $21.33 105,689 11 Nov 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 -10,000 -34% $0.000000 19,800 11 Nov 2021 Common Stock 10,000 $11.33 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.