Jack Y. Zhang - Mar 16, 2022 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 16, 2022
Transactions value $
-$2,000,512
Form type
4
Date filed
3/18/2022, 06:54 PM
Previous filing
Mar 17, 2022
Next filing
May 18, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Tax liability -$864K -25.2K -1.06% $34.22 2.36M Mar 16, 2022 Direct F1
transaction AMPH Common Stock Tax liability -$539K -15.8K -0.67% $34.18 2.34M Mar 17, 2022 Direct F1
transaction AMPH Common Stock Tax liability -$357K -10.4K -0.69% $34.22 1.51M Mar 16, 2022 See footnote F1, F2
transaction AMPH Common Stock Tax liability -$241K -7.05K -0.47% $34.18 1.5M Mar 17, 2022 See footnote F1, F2
holding AMPH Common Stock 6.83M Mar 16, 2022 See footnote F3
holding AMPH Common Stock 5K Mar 16, 2022 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.