Yakob Liawatidewi - Mar 15, 2022 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
EVP Corp Admin Center
Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Mar 15, 2022
Transactions value $
-$54,160
Form type
4
Date filed
3/17/2022, 05:11 PM
Previous filing
Aug 3, 2021
Next filing
Mar 18, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Award $0 +11.5K +21.29% $0.00 65.6K Mar 15, 2022 Direct F1
transaction AMPH Common Stock Tax liability -$54.2K -1.56K -2.38% $34.74 64K Mar 15, 2022 Direct F2
holding AMPH Common Stock 2.46K Mar 15, 2022 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) Award $0 +26.6K $0.00 26.6K Mar 15, 2022 Common Stock 26.6K $34.74 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 15, 2023.
F2 The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.
F3 The reported shares are held of record by the Yakob and Sunmoon Trust dated July 25, 2013 for which the reporting person serves as a trustee.
F4 The shares subject to the option vest in four equal annual installments beginning on March 15, 2023.