6. Dispositions

Biodefense Assets

On November 4, 2015, the Company and Nanotherapeutics entered into an asset purchase agreement under which Nanotherapeutics agreed to acquire XOMA’s biodefense business and related assets (including, subject to government approval, certain contracts with the U.S. government), and to assume certain liabilities of XOMA. As part of that transaction, the parties certain conditions, entered into an intellectual property license agreement (the “Nanotherapeutics License Agreement”), under which XOMA agreed to license to Nanotherapeutics certain intellectual property rights related to the purchased assets. Under the Nanotherapeutics License Agreement, the Company is eligible to receive contingent consideration up to a maximum of $4.5 million in cash and 23,008 shares of common stock of Nanotherapeutics, based upon Nanotherapeutics achieving certain specified future operational objectives. In addition, the Company is eligible to receive 15% royalties on net sales of any future Nanotherapeutics products covered by or involving the related patents or know-how.

On March 17, 2016, the Company effected a novation of the NIAID 4 to Nanotherapeutics. On March 23, 2016, the Company completed the transfer of the NIAID 4 and certain related third-party service contracts and materials, and the grant of exclusive and non-exclusive licenses for certain of its patents and general know-how to Nanotherapeutics. The Company believes that the NIAID 4 and certain related third-party service contracts and materials related to the biodefense program transferred to Nanotherapeutics include a sufficient number of key inputs and processes necessary to generate output from a market participant’s perspective. Accordingly, the Company has determined that such assets qualify as a business. The transaction had no impact on the Company’s consolidated financial statements as of, and for the year ended, December 31, 2016. Any contingent consideration or royalties will be recognized in the consolidated statements of comprehensive loss when received.

Manufacturing Facility

On November 5, 2015, the Company and Agenus West, LLC, a wholly-owned subsidiary of Agenus Inc. (“Agenus”), entered into an asset purchase agreement under which Agenus agreed, to acquire XOMA’s manufacturing facility in Berkeley, California, together with certain related assets, including certain intellectual property related to the purchased assets under an intellectual property license agreement, and to assume certain liabilities of XOMA, in consideration for the payment to XOMA of up to $5.0 million in cash and the issuance to XOMA of shares of Agenus’ common stock having an aggregate value of up to $1.0 million.

On December 31, 2015, XOMA completed the sale of the manufacturing facility, including certain related equipment and furniture, and the grant of non-exclusive licenses for certain of its patents and general know-how to Agenus for cash consideration of $4.7 million, net of the assumed liabilities of $0.3 million at closing. In addition to the cash consideration, XOMA received 109,211 shares of common stock of Agenus with an aggregate value of $0.5 million, which the Company subsequently sold in August 2016. The remaining $0.5 million of Agenus common stock will only be received upon the Company’s satisfaction of certain organizational matters, which XOMA is unlikely to satisfy. Agenus also paid $0.2 million to the Company as consideration for the employees who would not have otherwise been retained by the Company had the manufacturing facility closed on October 31, 2015. At closing, the carrying value of the assets sold was $2.2 million. The Company believes that the assets related to the manufacturing facility and certain other assets sold to Agenus include all key inputs and processes necessary to generate output from a market participant’s perspective. Accordingly, the Company determined that such assets qualify as a business. The Company recorded the gain on the sale of a business of $3.5 million in the other income (expense), net line of the consolidated statement of comprehensive loss for the year ended December 31, 2015.