Jack Y. Zhang - Mar 15, 2023 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
Mar 15, 2023
Transactions value $
-$413,971
Form type
4
Date filed
3/17/2023, 07:01 PM
Previous filing
Mar 8, 2023
Next filing
Mar 20, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Tax liability -$311K -8.43K -0.39% $36.84 2.18M Mar 15, 2023 Direct F1
transaction AMPH Common Stock Tax liability -$103K -2.8K -0.18% $36.84 1.53M Mar 15, 2023 See footnote F1, F2
holding AMPH Common Stock 6.83M Mar 15, 2023 See footnote F3
holding AMPH Common Stock 5K Mar 15, 2023 See footnote F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
F2 The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife.
F3 The shares are held of record by Applied Physics & Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners.
F4 The shares are held of record in an account for the benefit of the reporting persons' son. The reporting persons disclaim beneficial ownership of these shares, and the inclusion of these shares in this report should not be deemed an admission of beneficial ownership of any such shares for purposes of Section 16, or for any other purpose.