Baker Bros. Advisors Lp

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
XOMA	$3.81	21,548	$82,130.20	366,515	2015-01-05	Filing
XOMA	$3.81	863,100	$3,289,705.65	13,449,938	2015-01-05	Filing
XOMA	$3.81	118,652	$452,242.10	1,970,360	2015-01-05	Filing
XOMA	$3.55	4,554	$16,183.55	388,063	2015-01-02	Filing
XOMA	$3.55	182,454	$648,386.78	14,313,038	2015-01-02	Filing
XOMA	$3.55	25,092	$89,169.44	2,089,012	2015-01-02	Filing
XOMA	$3.65	8,415	$30,710.54	392,617	2014-12-30	Filing
XOMA	$3.65	337,123	$1,230,330.39	14,495,492	2014-12-30	Filing
XOMA	$3.65	46,362	$169,198.12	2,114,104	2014-12-30	Filing
XOMA	$3.68	4,746	$17,447.25	401,032	2014-12-29	Filing
XOMA	$3.68	190,117	$698,908.12	14,832,615	2014-12-29	Filing
XOMA	$3.68	26,137	$96,084.84	2,160,466	2014-12-29	Filing
XOMA	$3.71	2,825	$10,482.45	405,778	2014-12-26	Filing
XOMA	$3.71	112,855	$418,759.76	15,022,732	2014-12-26	Filing
XOMA	$3.71	15,420	$57,217.45	2,186,603	2014-12-26	Filing
XOMA	$4.21	16,182	$68,101.95	408,603	2014-12-19	Filing
XOMA	$4.21	647,781	$2,726,186.34	15,135,587	2014-12-19	Filing
XOMA	$4.21	88,937	$374,291.36	2,202,023	2014-12-19	Filing
XOMA	$4.29	3,558	$15,260.26	424,785	2014-12-18	Filing
XOMA	$4.29	142,543	$611,366.93	15,783,368	2014-12-18	Filing