Baker Bros. Advisors Lp

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
XOMA	$4.29	19,599	$84,060.11	2,290,960	2014-12-18	Filing
XOMA	$4.31	14,753	$63,570.68	428,343	2014-12-17	Filing
XOMA	$4.31	590,638	$2,545,059.14	15,925,911	2014-12-17	Filing
XOMA	$4.31	81,109	$349,498.68	2,310,559	2014-12-17	Filing
XOMA	$4.27	6,874	$29,358.17	443,096	2014-12-16	Filing
XOMA	$4.27	274,734	$1,173,361.44	16,516,549	2014-12-16	Filing
XOMA	$4.27	37,592	$160,551.67	2,391,668	2014-12-16	Filing
XOMA	$4.45	9,908	$44,092.58	449,970	2014-12-15	Filing
XOMA	$4.45	396,496	$1,764,486.50	16,791,283	2014-12-15	Filing
XOMA	$4.45	54,396	$242,073.08	2,429,260	2014-12-15	Filing
XOMA	$4.71	5,457	$25,724.30	459,878	2014-12-12	Filing
XOMA	$4.71	218,383	$1,029,457.46	17,187,779	2014-12-12	Filing
XOMA	$4.71	29,960	$141,231.44	2,483,656	2014-12-12	Filing
XOMA	$4.62	8,429	$38,907.42	465,335	2014-12-09	Filing
XOMA	$4.62	337,541	$1,558,055.50	17,406,162	2014-12-09	Filing
XOMA	$4.62	46,383	$214,099.29	2,513,616	2014-12-09	Filing
XOMA	$4.55	28,086	$127,670.53	473,764	2014-12-04	Filing
XOMA	$4.55	1,122,584	$5,102,930.09	17,743,703	2014-12-04	Filing
XOMA	$4.55	153,618	$698,301.34	2,559,999	2014-12-04	Filing
XOMA	$4.84	11,965	$57,912.99	501,850	2014-12-03	Filing