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10-Q
Nov 13, 7:40 AM ET
Xilio Therapeutics, Inc. 10-Q
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Contents
19
6. Collaboration and License Agreements
Collaboration, License and Option Agreement with AbbVie
In connection with the Collaboration Program, Xilio Development is responsible for conducting all preclinical development through lead generation (“Collaboration Program Services”). For the Initial Option Program, AbbVie’s option right is exercisable beginning on the effective date of the Collaboration Agreement, and for each Additional Option Program, AbbVie’s option right is exercisable following delivery of written notice of nomination of such Additional Option Program. During the three-year period following the effective date of the Collaboration Agreement, AbbVie has the right to initiate up to two Additional Option Programs by (a) selecting an initial target and backup target for each such Additional Option Program (excluding the target known as prostate-specific membrane antigen and any other target for which Xilio Development has completed specified activities prior to lead selection) and (b) paying Xilio Development an additional program nomination fee for each Additional Option Program. For each Option Program, prior to option exercise, Xilio Development is responsible for conducting preclinical discovery and development up to the completion of investigational new drug application (“IND”) enabling studies, subject to AbbVie paying Xilio Development option extension fees upon completion of specified stages of preclinical discovery and development (“Option Program Services”). Unless AbbVie elects to extend preclinical development through the next stage and pays the applicable option extension fee, AbbVie’s option right terminates within a specified
time period following completion of each stage of preclinical development. Upon exercising its option for an Option Program, AbbVie will be responsible for any remaining preclinical development, if applicable, and all clinical development, regulatory and commercialization activities with respect to licensed products under the applicable Option Program.
In addition, on an Option Program-by-Option Program basis, prior to the initiation of specified activities related to lead optimization and selection for the initial target for such Option Program, AbbVie has a one-time right to substitute the initial target with the backup target agreed upon by the parties at the time of Option Program initiation, subject to the payment by AbbVie of a one-time substitution fee with respect to such substituted target and the other terms of the Collaboration Agreement.
In connection with the execution of the Collaboration Agreement, in February 2025, the Company also entered into a stock purchase agreement with AbbVie Inc. pursuant to which the Company issued and sold 4,347,826 shares of its common stock to AbbVie Inc. in a private placement at a purchase price of $2.30 per share for an aggregate purchase price of $10.0 million.
As of September 30, 2025, the Company has received $52.0 million in payments under the AbbVie agreements, consisting of a $42.0 million upfront cash payment under the Collaboration Agreement and $10.0 million in gross proceeds from the private placement under the stock purchase agreement. In addition, as of September 30, 2025, the Company is eligible to receive up to approximately $2.1 billion in additional contingent payments under the Collaboration Agreement, consisting of (i) up to $305.0 million in aggregate program nomination fees, preclinical development option extension fees and option fees for the Option Programs and (ii) up to $1.8 billion in aggregate development, regulatory and sales-based milestones for all Option Programs and the Collaboration Program. In addition, the Company is eligible to receive tiered royalties ranging in the high single digits on annual global net product sales for the Option Program and is eligible to receive tiered royalties ranging in the mid-single digits on annual global net product sales for the Collaboration Program.
The Company considered the criteria of ASC 606, Revenue from Contracts with Customers (“ASC 606”) for combining contracts and determined the Collaboration Agreement and the stock purchase agreement should be combined into a single contract because they were negotiated and entered into in contemplation of one another. The Company accounted for the common stock issued to AbbVie Inc. based on the fair market value of the common stock on the date of issuance. The fair market value of the common stock issued to AbbVie Inc. was $2.9 million, based on the closing price of the Company’s common stock on the date of issuance, resulting in a $7.1 million premium. The Company determined that the premium paid by AbbVie Inc. for the common stock purchased should be attributed to the transaction price of the Collaboration Agreement.
The Company determined that the Collaboration Agreement represents a contract with a customer within the scope of ASC 606 and identified the following promises under the Collaboration Agreement: (i) the exclusive license granted to AbbVie related to the Collaboration Program, (ii) the Collaboration Program Services and (iii) the Option Program Services for the Initial Option Program. In addition, the Company identified several customer options that were evaluated to determine if such options represented material rights, each of which would be considered a performance obligation at contract inception only if the option provides a material right to AbbVie that it would not receive without entering into that contract.
The Company determined that the exclusive license and development services related to the Collaboration Program Services were not capable of being distinct on the basis that the services to be provided by Xilio Development are specialized in nature, specifically with respect to its specialized expertise in developing masked antibody-based immunotherapies and the Company’s proprietary platform for tumor-activated biologics. Accordingly, the Company concluded that these promises should be a combined performance obligation consisting of the exclusive license and the development services for the Collaboration Program Services. As such, the Company identified the following performance obligations at contract inception: (i) the performance obligation consisting of the exclusive license and the Collaboration Program Services (the “Collaboration Program Performance Obligation”); (ii) the Option Program Services for the Initial Option Program (the “Initial Option Program Performance Obligation”); (iii) a material right to receive an exclusive license to the Initial Option Program; (iv) a material right to receive additional services related to the Initial Option Program; and (v) a material right related to AbbVie’s one-time right to substitute the initial target with the backup target for the Initial Option Program.
For purposes of ASC 606, the transaction price at the outset of the arrangement was determined to be $49.1 million, which consisted of the upfront cash payment of $42.0 million under the Collaboration Agreement and the $7.1 million premium on the sale of common stock to AbbVie Inc. The Company used the most likely amount method to estimate variable consideration. All contingent payments are fully constrained as of September 30, 2025, as the achievement of the milestones underlying such contingent payments is based on either the Company or AbbVie’s ability to execute under the development plan which is not certain at contact inception. Accordingly,
all such contingent payments are excluded from the transaction price. The Company reevaluates the transaction price at the end of each reporting period and as uncertain events are resolved or other changes in circumstances occur and may adjust the transaction price as necessary. Sales-based royalties, including milestone payments based on the level of sales, were also excluded from the transaction price, as the license is deemed to be the predominant item to which the royalties relate. The Company plans to recognize such revenue at the later of (i) when the related sales occur or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied (or partially satisfied).
Revenue associated with the Collaboration Program Performance Obligation and the Initial Option Program Performance Obligation is recognized as the underlying services are provided as control is transferred over time. The Company measures progress based on the amount of costs incurred relative to the total costs expected to fulfill the combined performance obligation. In management’s judgment, this input method is the best measure of progress towards satisfying the combined performance obligation and reflects a faithful depiction of the transfer of goods and services. Revenue associated with the material rights will be recognized upon expiry if the option is not exercised. If the material right is exercised, the Company will evaluate the performance obligations underlying the option exercised and recognize the amount allocated to the material right and any additional consideration over the appropriate recognition period associated with the underlying performance obligations.
During the three and nine months ended September 30, 2025, the Company recognized collaboration and license revenue of $8.3 million and $13.9 million, respectively, under the Collaboration Agreement and the stock purchase agreement. As of September 30, 2025, the Company recorded deferred revenue of $35.3 million, of which $24.3 million was recorded as a current liability on the Company’s condensed consolidated balance sheet. The deferred revenue is expected to be recognized as collaboration and license revenue through at least 2026 depending on (i) the timing of services being provided for the Collaboration Program and the Initial Option Program and (ii) the timing of AbbVie’s exercise or expiration of the material rights.
License Agreement with Gilead Sciences, Inc.
Clinical Trial Collaboration with F. Hoffmann-La Roche Ltd
In July 2023, the Company and F. Hoffmann-La Roche Ltd (“Roche”) entered into a clinical trial collaboration pursuant to a clinical supply agreement to evaluate vilastobart in combination with atezolizumab (Tecentriq®) in a Phase 1/2 clinical trial consisting of Phase 1 dose escalation assessing the combination in patients with advanced solid tumors and Phase 2 assessing the combination in patients with microsatellite stable metastatic colorectal cancer.
Under the clinical supply agreement, the Company is eligible to receive specified cost-sharing payments from Roche, and each company will supply its respective anti-cancer agent to support the Phase 1/2 clinical trial. As of September 30, 2025, the Company has received $8.0 million in total cost-sharing payments from Roche. The Company is responsible for conducting the Phase 1/2 clinical trial and retains global development and commercialization rights to vilastobart.
The Company concluded that the cost-sharing payments under the clinical supply agreement are not in the scope of ASC 606 because the Company does not consider performing research and development services for reimbursement to be part of its ongoing major or central operations. Therefore, the Company applied a reasonable, rational, and consistently applied accounting policy election to record the cost-sharing payments under the clinical supply agreement as a reduction of research and development expenses in the condensed consolidated statements of operations and comprehensive loss for the period in which a study development event is achieved. The Company did not recognize a reduction of research and development expense during each of the three months ended September 30, 2025 and 2024. The Company recognized a reduction of research and development expense of $2.0 million during each of the nine months ended September 30, 2025 and 2024.