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Filing Details

Accession Number:: 0001144204-15-000982
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-01-06 20:31:00
Reporting Period:: 2015-01-02

Filing Date:: 2015-01-06
Accepted Time:: 2015-01-06 20:31:00
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
791908	Xoma Corp	XOMA	Pharmaceutical Preparations (2834)	942756657

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1087939	Julian Baker	667 Madison Avenue, 21St Floor New York NY US 10065	Yes	No	Yes	No
1087940	Felix Baker	667 Madison Avenue, 21St Floor New York NY US 10065	Yes	No	Yes	No
1263508	Baker Bros. Advisors Lp	667 Madison Avenue, 21St Floor New York NY US 10065	Yes	No	Yes	No
1363364	Baker Brothers Life Sciences Lp	667 Madison Avenue, 21St Floor New York NY US 10065	Yes	No	Yes	No
1551138	14159, L.p.	667 Madision Avenue, 21St Floor New York NY US 10065	Yes	No	Yes	No
1551139	667, L.p.	667 Madison Avenue 21St Floor New York NY US 10065	Yes	No	Yes	No
1580575	Baker Bros. Advisors (Gp) Llc	667 Madision Avenue 21St Floor New York NY US 10065	Yes	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2015-01-02	25,092	$3.55	2,089,012	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-02	182,454	$3.55	14,313,038	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-02	4,554	$3.55	388,063	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-05	118,652	$3.81	1,970,360	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-05	863,100	$3.81	13,449,938	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-05	21,548	$3.81	366,515	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-06	118,571	$3.86	1,851,789	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-06	859,988	$3.86	12,589,950	No	4	S	Indirect	See footnote
Common Stock	Disposition	2015-01-06	21,441	$3.86	345,074	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold by each of Baker Brothers Life Sciences, L.P. ("Life Sciences"), 14159, L.P. ("14159"), and 667, L.P. ("667", and together with Life Sciences and 14159, the "Funds")in multiple transactions at prices ranging from $3.55 to $3.60, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
After giving effect to the transactions reported herein and as a result of their ownership interest in Baker Biotech Capital (GP), LLC, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in column 5 of Table I directly held by 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.
After giving effect to the transactions reported herein and as a result of their ownership interest in Baker Brothers Life Sciences Capital (GP), LLC, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in column 5 of Table I directly held by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.
After giving effect to the transactions reported herein and as a result of their ownership interest in 14159 Capital (GP), LLC, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in column 5 of Table I directly held by 14159, a limited partnership of which the sole general partner is 14159 Capital, L.P., a limited partnership of which the sole general partner is 14159 Capital (GP), LLC, due to 14159 Capital, L.P.'s right to receive an allocation of a portion of the profits from 14159.
The price reported in Column 4 is a weighted average price. These shares were sold by the Funds in multiple transactions at prices ranging from $3.70 to $3.98, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
Baker Bros. Advisors LP ("the Adviser") serves as the Investment Adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are principals of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds have relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds. Pursuant to agreements between Dr. Neu and the Adviser, the Adviser has investment and dispositive power over the stock options and restricted stock units received by Dr. Neu related to his service on the Board of Directors of the Issuer (the "Board") and any shares received as a result of the exercise of stock options or the vesting of restricted stock units that were received related to such service. Pursuant to the policies of the Adviser, Dr. Neu does not have any right to any of the Issuer's securities issued as part of his service on the Board, and the Funds are entitled to receive all the pecuniary interest in the securities issued. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.