XLO NASDAQ
Waltham, MA 02451
US
Xilio Therapeutics, Inc., a clinical-stage biotechnology company, develops immunotherapies to improve the immune system of cancer patients. Its checkpoint inhibitor program includes XTX101, a clinical-stage, tumor-selective anti-CTLA-4 mAb that is in Phase 1/2 clinical trials in patients with solid tumors. The company also develops cytokine programs, which comprises XTX202, a modified form of IL-2; XTX301, an IL-12 product candidate; and XTX401, an IL-15 product candidate that are masked with a protein domain to prevent binding activity until cleaved off by tumor microenvironment (TME)-associated proteases. Xilio Therapeutics, Inc. was founded in 2016 and is headquartered in Waltham, Massachusetts.
Recent Insider Trades
| Name | Type | Shares | Price | Date |
|---|---|---|---|---|
| Blanchard Cheryl R | A-Award | 10,000 | $8.40 | 2026-04-15 |
| Blanchard Cheryl R | 0 | — | 2026-04-15 | |
| Shannon James Samuel | P-Purchase | 5,000 | $8.79 | 2026-03-26 |
| Brennan Kevin M. | S-Sale | 1,826 | $0.64 | 2026-01-02 |
| Frankenfield Christo | S-Sale | 7,030 | $0.64 | 2026-01-02 |