TOI 8-K: Guidance cut

Starling Oncology

Filed with the SEC on Nov 5, 2026 · accession 0001079973-26-001430

TOI filed a 8-K (current report) with the SEC on Nov 5, 2026. Starling Oncology reported Q3 2026 financial results with revenue up 24.3% year over year to $169.8 million and positive Adjusted EBITDA of $3.4 million, but narrowed its full-year 2026 revenue guidance from $650-$670 million to $650-$660 million and tightened Adjusted EBITDA guidance to $4-$6…

Summary of the filing

Starling Oncology reported Q3 2026 financial results with revenue up 24.3% year over year to $169.8 million and positive Adjusted EBITDA of $3.4 million, but narrowed its full-year 2026 revenue guidance from $650-$670 million to $650-$660 million and tightened Adjusted EBITDA guidance to $4-$6 million.

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Key details

Q3 2026 consolidated revenue$169.8M

Q3 2026 net loss-$15.7M

Q3 2026 Adjusted EBITDA$3.4M

Q3 2026 specialty pharmacy revenue$109.0M

Cash and cash equivalents as of September 30, 2026$36.9M

Updated FY2026 revenue guidance midpoint$655.0M

Updated FY2026 Adjusted EBITDA guidance midpoint$5.0M

IssuerStarling Oncology, Inc.

CeoDaniel Virnich

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Frequently asked questions

What did TOI file with the SEC on Nov 5, 2026?

TOI filed a 8-K (Guidance cut). Starling Oncology reported Q3 2026 financial results with revenue up 24.3% year over year to $169.8 million and positive Adjusted EBITDA of $3.4 million, but narrowed its full-year 2026 revenue guidance from $650-$670 million to $650-$660 million and tightened Adjusted EBITDA guidance to $4-$6 million.

What does a guidance cut mean for TOI stock?

Guidance is the company’s own forecast. Investors price stocks on the future, so a raise or cut often moves the stock more than the past quarter’s numbers.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

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