Xilio Therapeutics, Inc. (XLO)
NASDAQ: XLO · Real-Time Price · USD
7.48
-0.85 (-10.20%)
May 5, 2026, 3:31 PM EDT - Market open

Company Description

Xilio Therapeutics, Inc., a clinical-stage biotechnology company, engages in the discovery and development of masked immuno-oncology therapies.

The company’s pipeline includes XTX501, a bispecific PD-1 / masked IL-2, for patients with metastatic non-small cell lung cancer; Efarindodekin alfa, an investigational, masked IL-12, that is in Phase 2 clinical trial for patients with advanced solid tumors; and Vilastobart, an investigational tumor-activated, Fc-enhanced, high affinity binding anti-CTLA-4 monoclonal antibody.

The company was founded in 2016 and is headquartered in Waltham, Massachusetts.

Xilio Therapeutics, Inc.
Xilio Therapeutics logo
CountryUnited States
Founded2016
IPO DateOct 22, 2021
IndustryBiotechnology
SectorHealthcare
Employees76
CEORene Russo

Contact Details

Address:
828 Winter Street, Suite 300
Waltham, Massachusetts 02451
United States
Phone857 524 2466
Websitexiliotx.com

Stock Details

Ticker SymbolXLO
ExchangeNASDAQ
Stock TypeCommon Stock
Fiscal YearJanuary - December
Reporting CurrencyUSD
IPO Price$16.00
CIK Code1840233
CUSIP Number98422T209
ISIN NumberUS98422T2096
Employer ID85-1623397
SIC Code2834

Key Executives

NamePosition
Dr. Rene Russo BCPS, Pharm.D.President, Chief Executive Officer and Director
Christopher FrankenfieldChief Financial Officer and Chief Operating Officer
Dr. Katarina Luptakova M.D.Chief Medical Officer
Kevin M. BrennanSenior Vice President of Finance and Accounting
Dr. Uli Bialucha Ph.D.Chief Scientific Officer
Nathan McBrideChief Information Officer
Caroline HensleyChief Legal Officer
Dr. Scott Coleman Ph.D.Chief Development Officer
Ruth du MoulinSenior Vice President of Medical Affairs

Latest SEC Filings

DateTypeTitle
Apr 28, 2026ARSFiling
Apr 28, 2026DEF 14AOther definitive proxy statements
Apr 16, 20268-KCurrent Report
Mar 23, 2026S-8Securities to be offered to employees in employee benefit plans
Mar 23, 202610-KAnnual Report
Mar 23, 20268-KCurrent Report
Mar 12, 20268-KCurrent Report
Mar 9, 20268-KCurrent Report
Feb 24, 20268-KCurrent Report
Feb 17, 2026SCHEDULE 13G/AFiling