GlobeNewsWire · 26 Oct 2026positive
Xilio Therapeutics announced that the first patient has been dosed in a Phase 1/2 clinical trial of XTX501 in patients with metastatic NSCLC. The company describes XTX501 as a novel PD-1/masked IL-2 bispecific with potential as a foundational backbone regimen for solid tumors.
Why it matters — The trial's first dose marks a clinical development milestone for XLO's XTX501 program.
GlobeNewsWire · 2 Oct 2026neutral
Xilio Therapeutics announced inducement grants of non-qualified stock options under its 2022 Inducement Stock Incentive Plan, effective October 1, 2026, covering an aggregate of 100,895 shares for two new employees and 105,000 shares for newly appointed Chief Medical Officer Yariv Houvras, M.D., Ph.D.
Why it matters — The grants signal the appointment and retention of new personnel, including a new Chief Medical Officer, indicating ongoing leadership and staffing developments at Xilio.
GlobeNewsWire · 28 Sept 2026positive
Xilio Therapeutics announced the appointment of Yariv J. Houvras, M.D., who brings over two decades of executive leadership in clinical development, translational medicine, and immuno-oncology across premier industry and academic research institutions.
Why it matters — A senior leader with deep expertise in clinical development and immuno-oncology joining the company could strengthen Xilio's leadership as it advances its pipeline.
GlobeNewsWire · 2 Sept 2026neutral
Xilio Therapeutics announced that, effective September 1, 2026, it granted non-qualified stock options to purchase 19,865 shares of common stock to two new employees under its 2022 Inducement Stock Incentive Plan. The grants were made in accordance with Nasdaq Listing Rule 5635(c)(4).
Why it matters — The disclosure of new-employee inducement stock option grants gives XLO watchers insight into the company's equity compensation activity and recent hiring.
GlobeNewsWire · 12 Aug 2026positive
Xilio Therapeutics reported its second quarter 2026 financial results and provided pipeline and business updates. The company received FDA clearance of its IND application for XTX501, a bispecific PD-1/masked IL-2 candidate, and is advancing IND-enabling studies for multi-specific masked T cell engager programs targeting CLDN18.2 and PSMA+STEAP1, with IND applications anticipated in the second half of 2027. The company said its cash runway into the first quarter of 2028 is expected to support key milestones across its pipeline.
Why it matters — The FDA clearance of the XTX501 IND and progress on its next-generation multi-specific masked immuno-oncology pipeline, supported by a cash runway into early 2028, signal XLO's continued advancement toward key clinical milestones.