NX SCHEDULE 13D/A: Activist campaign

Teleios Capital Partners GmbH and affiliated entities

Filed with the SEC on · accession 0000919574-26-007201

NX filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Oct 26, 2026. Teleios Capital Partners GmbH and affiliated entities filed Amendment No. 2 to their Schedule 13D regarding Quanex Building Products Corporation, indicating continued activist involvement. The stock moved -3.2% by the first close after the filing.

Summary of the filing

Teleios Capital Partners GmbH and affiliated entities filed Amendment No. 2 to their Schedule 13D regarding Quanex Building Products Corporation, indicating continued activist involvement. The filing is a joint filing agreement dated October 26, 2026.

Key details

Subject companyQuanex Building Products Corporation
Filer/activist investorTeleios Capital Partners GmbH
Filer/activist investor affiliateTeleios Global Opportunities Master Fund, Ltd.
Managing officer, teleios capital partners gmbhIgor Kuzniar
Director, teleios global opportunities master fund, ltd.Carl Speck

How NX stock reacted

Close before

$20.00

Oct 23, 2026

First close after

-3.20%

$19.36

5 trading days

+3.35%

$20.67

Since filing

+7.30%

$21.46

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Frequently asked questions

What did NX file with the SEC on Oct 26, 2026?

NX filed a SCHEDULE 13D/A (Activist campaign). Teleios Capital Partners GmbH and affiliated entities filed Amendment No. 2 to their Schedule 13D regarding Quanex Building Products Corporation, indicating continued activist involvement. The filing is a joint filing agreement dated October 26, 2026.

What does a activist campaign mean for NX stock?

A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.

How do I read a SCHEDULE 13D/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 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did NX stock react to this filing?

NX closed at $20.00 before the filing and $19.36 on Oct 26, 2026 (-3.20%). Five trading days later: $20.67 (+3.35%).

Other NX SEC filings

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