Bureau Of National Affairs Inc (NONE)

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Insider Trading: Purchases

Insider	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Blakely	$16.50	732	Officer, Director	30,174	2010-09-18	Filing
Blakely	$16.00	378	Officer, Director	30,174	2010-04-01	Filing
Blakely	$16.00	623	Officer, Director	30,174	2010-03-20	Filing
Ambrosini	$16.50	24	Officer	1,756	2010-09-30	Filing
Ambrosini	$16.50	394	Officer	1,756	2010-09-18	Filing
Ambrosini	$16.00	17	Officer	1,756	2010-04-01	Filing
Ambrosini	$16.00	409	Officer	1,756	2010-03-20	Filing
Victor	$16.50	366	Director	26,580	2010-09-30	Filing
Victor	$16.50	666	Director	26,580	2010-09-18	Filing
Victor	$16.00	333	Director	26,580	2010-04-01	Filing
Victor	$16.00	691	Director	26,580	2010-03-20	Filing
Wojcik	$16.50	3,091	Officer, Director	142,899	2010-09-18	Filing
Victor	$16.50	1,176	Director	78,217	2010-09-18	Filing
Mckewen	$16.50	788	Director	10,863	2010-09-18	Filing
Mccaffery	$16.50	2,425	Officer, Director	105,267	2010-09-18	Filing
Lavine	$16.50	48	Officer	8,410	2010-09-18	Filing
Clark	$16.50	788	Officer	26,284	2010-09-18	Filing
Ambrosini	$16.50	1,212	Officer	10,701	2010-09-18	Filing
Blakely	$16.50	79	Officer, Director	33,185	2010-09-18	Filing
Ambrosini	$16.50	1,212	Officer	10,701	2010-09-18	Filing