Xilio Therapeutics, Inc. SEC filings XLO
Xilio Therapeutics, Inc. has 357 filings in SEC EDGAR's recent list, going back to Jan 21, 2021. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 12, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | May 29, 2026 | — |
| CORRESP | Letter to the SEC | May 27, 2026 | — |
| UPLOAD | Letter from the SEC | May 18, 2026 | — |
| EFFECT | Filing | May 8, 2025 | — |
| CORRESP | Letter to the SEC | May 6, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 17, 2025 | — |
| EFFECT | Filing | May 6, 2024 | — |
| CORRESP | Letter to the SEC | May 2, 2024 | — |
| UPLOAD | Letter from the SEC | May 2, 2024 | — |
| EFFECT | Filing | Nov 18, 2022 | — |
| CORRESP | Letter to the SEC | Nov 16, 2022 | — |
| UPLOAD | Letter from the SEC | Nov 15, 2022 | — |
| SEC STAFF LETTER | Filing | Oct 22, 2021 | — |
| EFFECT | Filing | Oct 21, 2021 | — |
| CERT | 8a cert | Oct 21, 2021 | — |
| CORRESP | Letter to the SEC | Oct 19, 2021 | — |
| CORRESP | Letter to the SEC | Oct 19, 2021 | — |
| 8-A12B | Filing | Oct 18, 2021 | — |
| CORRESP | Letter to the SEC | Oct 18, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 13, 2021 | — |
| CORRESP | Letter to the SEC | Oct 1, 2021 | — |
| UPLOAD | Letter from the SEC | Sep 23, 2021 | — |
| DRSLTR | Filing | Sep 14, 2021 | — |
| DRS/A | Filing | Sep 14, 2021 | — |
| SEC STAFF LETTER | Filing | Jun 25, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 21, 2021 | — |
| DRS | Filing | May 24, 2021 | — |
| D | Filing | Feb 26, 2021 | — |
| D | Filing | Jan 21, 2021 | — |
Showing 29 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- XLO (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Waltham, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1840233
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.