|4Sep 20, 2:18 PM ET

Ambrosini Robert P 4

4 · BUREAU OF NATIONAL AFFAIRS INC · Filed Sep 20, 2010

Insider Transaction Report

Form 4
Period: 2010-09-18
Ambrosini Robert P
Chief Financial Officer
Transactions
  • Purchase

    Class A Common

    2010-09-18$16.50/sh+1,212$19,99810,701 total

Documents

1 file
  • 4
    primary_doc.xmlPrimary

    PRIMARY DOCUMENT