Jack Y. Zhang - Sep 13, 2024 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
CEO & CHIEF SCIENTIFIC OFFICER, Director, 10%+ Owner
Signature
/s/ Eva Wen, by power of attorney for Jack Y. Zhang
Stock symbol
AMPH
Transactions as of
Sep 13, 2024
Transactions value $
$1,469,000
Form type
4
Date filed
9/16/2024, 07:09 PM
Previous filing
Jun 11, 2024
Next filing
Nov 12, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $1.47M +100K +3.95% $14.69 2.63M Sep 13, 2024 Direct
holding AMPH Common Stock 1.23M Sep 13, 2024 See footnote F1
holding AMPH Common Stock 6.83M Sep 13, 2024 See footnote 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 -100K -25.61% $0.00 290K Sep 13, 2024 Common Stock 100K $14.69 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife.
F2 The shares are held of record by Applied Physics and Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners.
F3 Shares subject to the option are fully vested and immediately exercisable.