Xilio Therapeutics, Inc. (XLO)
Nasdaq: XLO · Pharmaceutical Preparations · Waltham, MA · filing with the SEC since 2021
Who runs Xilio Therapeutics, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Russo Rene
PRESIDENT AND CEO. First filing Oct 2021, latest Jan 5, 2026, 1 filing in all.
Officers reporting now
5
of 13 people with a filing in the last fifteen months
Directors reporting now
8
22 people on the record since 2021
Officerssales are open-market, Oct 2, 2025 to Oct 2, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Houvras Yariv | CHIEF MEDICAL OFFICER | Oct 2026 | Oct 2, 2026 | none |
| Russo Rene | PRESIDENT AND CEO | Oct 2021 | Jan 5, 2026 | none |
| Frankenfield Christopher James | Chief Financial Officer | Aug 2023 | Jan 5, 2026 | 1 · $0.00 |
| Luptakova Katarina | CHIEF MEDICAL OFFICER | Sep 2023 | Jan 5, 2026 | none |
| Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | Apr 2023 | Jan 5, 2026 | 1 · $0.00 |
Directorssales are open-market, Oct 2, 2025 to Oct 2, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Bello Akintunde Olatokumbo | director | Jun 2025 | Jun 12, 2026 | none |
| Bonstein Sara | director | Oct 2021 | Jun 12, 2026 | none |
| Brennan Aoife | director | Jun 2024 | Jun 12, 2026 | none |
| Curran Daniel J. | director | Oct 2021 | Jun 12, 2026 | none |
| Ross Robert W. | director | Jun 2022 | Jun 12, 2026 | none |
| Shannon James Samuel | director | Jun 2024 | Jun 12, 2026 | none |
| Xu Yuan | director | Jan 2022 | Jun 12, 2026 | none |
| Blanchard Cheryl R | director | Apr 2026 | Apr 16, 2026 | none |
Owners of more than 10% of a classsales are open-market, Oct 2, 2025 to Oct 2, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Gilead Sciences, Inc. | 10% owner | Apr 2024 | Feb 17, 2026 | none |
Earlier names on the record28, newest filing first
Clancy Paul J · director · last filing Jun 2025Rossi Christina · director · last filing Jun 2025Chudnovsky Yekaterina · 10% owner · last filing Sep 2024Gkcc, LLC · 10% owner · last filing Sep 2024Atlas Venture Associates Opportunity I, L.P. · 10% owner · last filing Feb 2024Atlas Venture Associates Opportunity I, LLC · 10% owner · last filing Feb 2024Atlas Venture Associates Xi, L.P. · 10% owner · last filing Feb 2024Atlas Venture Associates Xi, LLC · 10% owner · last filing Feb 2024Atlas Venture Fund Xi, L.P. · 10% owner · last filing Feb 2024Atlas Venture Opportunity Fund I, L.P. · 10% owner · last filing Feb 2024Huber Martin H. Jr. · officer · last filing Aug 2023Heyman Tomas J. · director · last filing Jun 2023English Edward C · officer · last filing Jan 2023Ross Michael Jay · director · last filing Jun 2022Giovine Salvatore · officer · last filing Feb 2022Bain Capital Life Sciences Fund II, L.P. · 10% owner · last filing Dec 2021Bain Capital Life Sciences Investors II, LLC · 10% owner · last filing Dec 2021Bain Capital Life Sciences Investors, LLC · 10% owner · last filing Dec 2021Bcip Life Sciences Associates, LP · 10% owner · last filing Dec 2021Bcls II Investco, LP · 10% owner · last filing Dec 2021Bcls II Investo (Gp), LLC · 10% owner · last filing Dec 2021Sv7 (Imf) Gp Llp · 10% owner · last filing Nov 2021Sv7 Impact Medicine Fund LP · 10% owner · last filing Nov 2021Deerfield Management Company, L.P. (Series C) · 10% owner · last filing Oct 2021Deerfield Mgmt L.P. · 10% owner · last filing Oct 2021Deerfield Mgmt V, L.P. · 10% owner · last filing Oct 2021Humphrey Rachel · director · last filing Oct 2021Lynch Daniel · director · last filing Oct 2021
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.