Rong Zhou - Mar 6, 2023 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
EVP, Production Center
Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Mar 6, 2023
Transactions value $
$0
Form type
4
Date filed
3/8/2023, 03:06 PM
Previous filing
Mar 18, 2022
Next filing
Mar 17, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Award $0 +15.1K +19.22% $0.00 93.8K Mar 6, 2023 Direct F1, F2
holding AMPH Common Stock 99.7K Mar 6, 2023 See footnote F3
holding AMPH Common Stock 5K Mar 6, 2023 See footnote F4

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 +31.9K $0.00 31.9K Mar 6, 2023 Common Stock 31.9K $35.13 Direct F5
* 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 6, 2024.
F2 Includes 981 shares and 146 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on May 31, 2022 and November 30, 2022, respectively.
F3 The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
F4 The shares are held of record by the reporting person's spouse.
F5 The shares subject to the option vest in four equal annual installments beginning on March 6, 2024.