Bureau Of National Affairs Inc (NONE)

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Insider Trading: Purchases

Insider	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Mckewen	$16.50	500	Director	14,828	2010-09-18	Filing
Mckewen	$16.00	184	Director	14,828	2010-04-01	Filing
Mckewen	$16.00	518	Director	14,828	2010-03-20	Filing
Mccaffery	$16.50	398	Officer, Director	28,905	2010-09-30	Filing
Mccaffery	$16.50	667	Officer, Director	28,905	2010-09-18	Filing
Mccaffery	$16.00	362	Officer, Director	28,905	2010-04-01	Filing
Mccaffery	$16.00	585	Officer, Director	28,905	2010-03-20	Filing
Lavine	$16.50	436	Officer	31,727	2010-09-30	Filing
Lavine	$16.50	49	Officer	31,727	2010-09-18	Filing
Lavine	$16.00	406	Officer	31,727	2010-04-01	Filing
Lavine	$16.00	454	Officer	31,727	2010-03-20	Filing
Clark	$16.50	512	Officer	37,263	2010-09-30	Filing
Clark	$16.50	622	Officer	37,263	2010-09-18	Filing
Clark	$16.00	468	Officer	37,263	2010-04-01	Filing
Clark	$16.00	644	Officer	37,263	2010-03-20	Filing
Bolbach	$16.50	648	Officer, Director	47,137	2010-09-30	Filing
Bolbach	$16.50	631	Officer, Director	47,137	2010-09-18	Filing
Bolbach	$16.00	594	Officer, Director	47,137	2010-04-01	Filing
Bolbach	$16.00	654	Officer, Director	47,137	2010-03-20	Filing
Blakely	$16.50	415	Officer, Director	30,174	2010-09-30	Filing