Xilio Therapeutics Inc. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits
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Item 7.01. Other Events.
On November 7, 2025, Xilio Therapeutics, Inc. (the “Company”) issued a press release announcing new data related to high plasma tumor mutational burden from its ongoing Phase 2 clinical trial evaluating vilastobart in combination with atezolizumab in patients with microsatellite stable metastatic colorectal cancer, a copy of which is furnished as Exhibit 99.1 to this Current Report on Form 8-K.
Also on November 7, 2025, the Company issued a press release announcing updated data across its portfolio, including preclinical data for the Company's masked T cell engager platform and programs, as well as updated Phase 1 data for efarindodekin alfa, and Phase 2 data related to circulating tumor DNA for vilastobart, a copy of which is furnished as Exhibit 99.2 to this Current Report on Form 8-K.
These data are presented in poster presentations at the Society for Immunotherapy of Cancer (SITC) 40thAnnual Meeting. The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits.
Exhibit Number |
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Description |
99.1 |
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Press release issued by Xilio Therapeutics, Inc. on November 7, 2025 |
99.2 |
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Press release issued by Xilio Therapeutics, Inc. on November 7, 2025 |
104
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Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101) |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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XILIO THERAPEUTICS, INC. |
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Date: November 7, 2025 |
By: |
/s/ Caroline Hensley |
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Caroline Hensley |
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Chief Legal Officer |