Bureau Of National Affairs Inc (NONE)

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Insider Trading: Purchases

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Mckewen Director	$16.50	500	$8,250.00	14,828	2010-09-18	Filing
Mckewen Director	$16.00	184	$2,944.00	14,828	2010-04-01	Filing
Mckewen Director	$16.00	518	$8,288.00	14,828	2010-03-20	Filing
Mccaffery Officer, Director	$16.50	398	$6,567.00	28,905	2010-09-30	Filing
Mccaffery Officer, Director	$16.50	667	$11,005.50	28,905	2010-09-18	Filing
Mccaffery Officer, Director	$16.00	362	$5,792.00	28,905	2010-04-01	Filing
Mccaffery Officer, Director	$16.00	585	$9,360.00	28,905	2010-03-20	Filing
Lavine Officer	$16.50	436	$7,194.00	31,727	2010-09-30	Filing
Lavine Officer	$16.50	49	$808.50	31,727	2010-09-18	Filing
Lavine Officer	$16.00	406	$6,496.00	31,727	2010-04-01	Filing
Lavine Officer	$16.00	454	$7,264.00	31,727	2010-03-20	Filing
Clark Officer	$16.50	512	$8,448.00	37,263	2010-09-30	Filing
Clark Officer	$16.50	622	$10,263.00	37,263	2010-09-18	Filing
Clark Officer	$16.00	468	$7,488.00	37,263	2010-04-01	Filing
Clark Officer	$16.00	644	$10,304.00	37,263	2010-03-20	Filing
Bolbach Officer, Director	$16.50	648	$10,692.00	47,137	2010-09-30	Filing
Bolbach Officer, Director	$16.50	631	$10,411.50	47,137	2010-09-18	Filing
Bolbach Officer, Director	$16.00	594	$9,504.00	47,137	2010-04-01	Filing
Bolbach Officer, Director	$16.00	654	$10,464.00	47,137	2010-03-20	Filing
Blakely Officer, Director	$16.50	415	$6,847.50	30,174	2010-09-30	Filing