Rong Zhou - Aug 26, 2024 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
SENIOR EVP, PRODUCTION CENTER
Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Aug 26, 2024
Transactions value $
-$133,600
Form type
4
Date filed
8/27/2024, 09:33 PM
Previous filing
Mar 19, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Srock Options Exercise $59.8K +4K +3.38% $14.95 122K Aug 26, 2024 Direct F1
transaction AMPH Common Srock Sale -$193K -4K -3.27% $48.35 118K Aug 26, 2024 Direct
holding AMPH Common Stock 99.7K Aug 26, 2024 See footnote F2
holding AMPH Common Stock 5K Aug 26, 2024 See footnote F3

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 -4K -28.79% $0.00 9.89K Aug 26, 2024 Common Stock 4K $14.95 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 372 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on May 31, 2024.
F2 The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
F3 The shares are held of record by the reporting person's spouse.
F4 Shares subject to the option are fully vested and immediately exercisable.