Rong Zhou - Aug 2, 2021 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)

Signature
/s/ Eva Wen, by power of attorney
Stock symbol
AMPH
Transactions as of
Aug 2, 2021
Transactions value $
-$130,854
Form type
4
Date filed
8/4/2021, 04:05 PM
Previous filing
Jul 27, 2021
Next filing
Nov 12, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPH Common Stock Options Exercise $62.9K +6K +6.96% $10.48 92.2K Aug 2, 2021 Direct
transaction AMPH Common Stock Sale -$194K -9.12K -9.89% $21.24 83.1K Aug 2, 2021 Direct F1, F2
holding AMPH Common Stock 99.7K Aug 2, 2021 See footnote F3
holding AMPH Common Stock 5K Aug 2, 2021 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) Options Exercise $0 -6K -43.44% $0.00 7.81K Aug 2, 2021 Common Stock 6K $10.48 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 16, 2021.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.17 to $21.27, 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.
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 Shares subject to the option are fully vested and immediately exercisable.