Amphastar Pharmaceuticals, Inc.·4

Jun 2, 7:34 PM ET

Koo Richard 4

4 · Amphastar Pharmaceuticals, Inc. · Filed Jun 2, 2021

Insider Transaction Report

Form 4
Period: 2021-06-01
Koo Richard
Director
Transactions
  • Sale

    Common Stock

    2021-06-01$19.28/sh25,827$498,009253,270 total
  • Exercise/Conversion

    Stock Option (right to buy)

    2021-06-0125,8270 total
    Exercise: $16.43Exp: 2021-06-09Common Stock (25,827 underlying)
  • Exercise/Conversion

    Common Stock

    2021-06-01$16.43/sh+25,827$424,338279,097 total
Holdings
  • Common Stock

    (indirect: See footnote)
    10,000
Footnotes (3)
  • [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.

Documents

1 file
  • 4
    tm2118303-1_4seq1.xmlPrimary

    OWNERSHIP DOCUMENT