Richard Koo - Jun 7, 2021 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Role
Director
Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Jun 7, 2021
Transactions value $
$0
Form type
4
Date filed
6/8/2021, 08:55 PM
Previous filing
Jun 2, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Award $0 +6.02K +2.38% $0.00 259K Jun 7, 2021 Direct F1
holding AMPH Common Stock 10K Jun 7, 2021 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 Stock Option (right to buy) Award $0 +17.2K $0.00 17.2K Jun 7, 2021 Common Stock 17.2K $19.52 Direct F3
* 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, all of which vest on June 7, 2022.
F2 The reported shares are held directly by Richard Y. Koo, a sole proprietorship, for which the Reporting Person is the sole owner.
F3 All of the shares subject to the option vest on June 7, 2022.