Richard Koo - Jun 1, 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 1, 2021
Transactions value $
-$73,672
Form type
4
Date filed
6/2/2021, 07:34 PM
Next filing
Jun 8, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $424K +25.8K +10.2% $16.43 279K Jun 1, 2021 Direct
transaction AMPH Common Stock Sale -$498K -25.8K -9.25% $19.28 253K Jun 1, 2021 Direct F1
holding AMPH Common Stock 10K Jun 1, 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) Options Exercise $0 -25.8K -100% $0.00* 0 Jun 1, 2021 Common Stock 25.8K $16.43 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.25 to $19.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
F2 The reported shares are held directly by Richard Y. Koo, a sole proprietorship, for which the Reporting Person is the sole owner.
F3 Shares subject to the option are fully vested and immediately exercisable.