Xilio Therapeutics, Inc. 8-K

What Happened
Xilio Therapeutics, Inc. announced its financial results for the quarter and year ended December 31, 2025 on March 23, 2026. The company issued a press release describing those results and other business highlights, which is furnished as Exhibit 99.1 to the Form 8-K.

Key Details

• Announcement date: March 23, 2026.
• Reporting period: quarter and fiscal year ended December 31, 2025.
• Press release furnished as Exhibit 99.1 to the Form 8-K.
• The company states the information is "furnished" (not "filed") under the Exchange Act and is not subject to Section 18 liability or automatically incorporated by reference into other securities filings.

Why It Matters
This 8-K signals that Xilio has published its latest quarterly and full-year financial results and related business updates — information investors should review to assess revenue, expenses, cash position, and program progress. Note that the company characterized the release as furnished rather than filed, which affects legal liability and how the content may be used in other SEC filings; the press release itself (Exhibit 99.1) is the source for the detailed financial and operational figures.