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CBRS SCHEDULE 13G/A: SEC filing

Foundation Capital entities

Filed with the SEC on · accession 0001645076-26-000007

CBRS filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 12, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -3.3% by the first close after the filing.

Summary of the filing

Foundation Capital entities filed an amended Schedule 13G reporting beneficial ownership of approximately 10.25 million shares of Cerebras Systems Class A common stock, representing about 8.1% of the class, as of September 30, 2026.

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Key details

Aggregate Class A common stock beneficially owned by all reporting persons$10.3M
Class B common stock directly held by Foundation Capital VIII, L.P.$9.3M
Class B common stock directly held by Foundation Capital VIII Principals Fund, L.L.C.$201K
Class B common stock directly held by Foundation Capital Leadership Fund II, L.P.$731K
IssuerCerebras Systems Inc.
Reporting person / beneficial ownerFoundation Capital Management Co. VIII, L.L.C.
Reporting person / beneficial ownerFoundation Capital VIII, L.P.
Reporting person / beneficial ownerFoundation Capital VIII Principals Fund, L.L.C.
Reporting person / beneficial ownerFoundation Capital Management Co. LF II, L.L.C.
Reporting person / beneficial ownerFoundation Capital Leadership Fund II, L.P.
Manager, foundation capital management co. viii, l.l.c.Ashu Garg

How CBRS stock reacted

Close before

$101.08

Nov 11, 2026

First close after

-3.29%

$97.75

5 trading days

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Since filing

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Frequently asked questions

What did CBRS file with the SEC on Nov 12, 2026?

CBRS filed a SCHEDULE 13G/A (SEC filing). Foundation Capital entities filed an amended Schedule 13G reporting beneficial ownership of approximately 10.25 million shares of Cerebras Systems Class A common stock, representing about 8.1% of the class, as of September 30, 2026.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

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 SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did CBRS stock react to this filing?

CBRS closed at $101.08 before the filing and $97.75 on Nov 12, 2026 (-3.29%).

Other CBRS SEC filings

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