Berkshire Hathaway Inc

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
DVA	$116.15	2,600	$301,991.04	14,531,448	2013-02-21	Filing
DVA	$115.26	69,300	$7,987,573.44	14,528,848	2013-02-21	Filing
DVA	$116.81	14,600	$1,705,496.08	14,459,548	2013-02-20	Filing
DVA	$116.22	71,969	$8,364,122.03	14,444,948	2013-02-20	Filing
DVA	$116.59	40,043	$4,668,557.31	14,372,979	2013-02-19	Filing
DVA	$115.75	54,244	$6,278,981.67	14,332,936	2013-02-19	Filing
DVA	$114.76	27,393	$3,143,719.29	14,278,692	2013-02-19	Filing
DVA	$114.00	28,407	$3,238,275.85	14,251,299	2013-02-19	Filing
DVA	$118.46	8,400	$995,069.04	14,222,892	2013-02-15	Filing
DVA	$117.24	65,718	$7,704,798.04	14,214,492	2013-02-15	Filing
DVA	$116.77	33,013	$3,854,928.01	14,148,774	2013-02-15	Filing
DVA	$119.91	777	$93,168.05	14,115,761	2013-02-14	Filing
DVA	$119.19	35,895	$4,278,386.07	14,114,984	2013-02-14	Filing
DVA	$118.48	29,180	$3,457,158.86	14,079,089	2013-02-14	Filing
DVA	$115.17	32,376	$3,728,844.29	14,049,909	2013-02-05	Filing
DVA	$111.53	25,189	$2,809,293.91	14,017,533	2013-01-16	Filing
DVA	$111.04	17,211	$1,911,025.11	13,992,344	2013-01-16	Filing
DVA	$110.35	39,400	$4,347,841.22	13,975,133	2013-01-15	Filing
DVA	$109.51	17,600	$1,927,435.84	13,935,733	2013-01-15	Filing
DVA	$110.02	168	$18,482.92	13,918,133	2013-01-14	Filing