CTMX 8-K: SEC filing
CytomX Therapeutics
Filed with the SEC on · accession 0001193125-26-449787
CTMX filed a 8-K (current report) with the SEC on Nov 5, 2026. A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The stock moved -8.9% by the first close after the filing.
Summary of the filing
CytomX Therapeutics issued a press release reporting its unaudited financial results for the three and nine months ended September 30, 2026, and provided a business update.
Key details
How CTMX stock reacted
Close before
$2.35
Nov 4, 2026
First close after
-8.94%
$2.14
5 trading days
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Since filing
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Click hereFrequently asked questions
What did CTMX file with the SEC on Nov 5, 2026?
CTMX filed a 8-K (SEC filing). CytomX Therapeutics issued a press release reporting its unaudited financial results for the three and nine months ended September 30, 2026, and provided a business update.
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.
How did CTMX stock react to this filing?
CTMX closed at $2.35 before the filing and $2.14 on Nov 5, 2026 (-8.94%).
Other CTMX SEC filings
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