NEWMARKET CORP·4/A

May 2, 4:51 PM ET

HUANG C S WARREN 4/A

4/A · NEWMARKET CORP · Filed May 2, 2006

Insider Transaction Report

Form 4/AAmended
Period: 2006-05-02
HUANG C S WARREN
President Afton Chemical Corp
Transactions
  • Exercise/Conversion

    Employee Stock Option (Right to Buy)

    2006-05-0110,00015,000 total
    Exercise: $4.35From: 2005-04-01Exp: 2011-09-28Common Stock (10,000 underlying)
Footnotes (2)
  • [F1]Reflects 5,000 derivative securities beneficially owned following the reported transaction that were inadvertently omitted from the reporting person's original Form 4.
  • [F2]Reflects change in the expiration date from 4/1/2015 to 9/28/2011.

Documents

2 files