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RMBS SCHEDULE 13G/A: SEC filing

A Schedule 13G/A amendment was

Filed with the SEC on · accession 0002012383-26-003935

RMBS filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 27, 2026. A Schedule 13G/A amendment was filed regarding Rambus Inc. (RMBS), indicating a change in a passive institutional holder's ownership position. The stock moved -1.6% by the first close after the filing.

Summary of the filing

A Schedule 13G/A amendment was filed regarding Rambus Inc. (RMBS), indicating a change in a passive institutional holder's ownership position. The filing text provided does not disclose specific ownership percentages or share counts.

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Key details

IssuerRambus Inc.

How RMBS stock reacted

Close before

$90.32

Oct 26, 2026

First close after

-1.56%

$88.91

5 trading days

-6.99%

$84.01

Since filing

-18.37%

$73.73

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Frequently asked questions

What did RMBS file with the SEC on Oct 27, 2026?

RMBS filed a SCHEDULE 13G/A (SEC filing). A Schedule 13G/A amendment was filed regarding Rambus Inc. (RMBS), indicating a change in a passive institutional holder's ownership position. The filing text provided does not disclose specific ownership percentages or share counts.

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 RMBS stock react to this filing?

RMBS closed at $90.32 before the filing and $88.91 on Oct 27, 2026 (-1.56%). Five trading days later: $84.01 (-6.99%).

Other RMBS SEC filings

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