Quanex Building Products (NX) loses Teleios board observer rights

Rhea-AI Filing Summary

Quanex Building Products Corporation reported a governance update involving an external board observer. On January 6, 2026, Teleios Global Opportunities Master Fund notified the company that its designated observer to Quanex’s board of directors would resign, effective January 8, 2026. Following this resignation, Teleios will no longer hold any observer right with respect to the company’s board. This change affects only an observer role and does not describe any changes to the company’s directors or executive officers.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

January 6, 2026

(Date of earliest event reported)

QUANEX BUILDING PRODUCTS CORPORATION

(Exact name of registrant as specified in its charter)

Delaware		1-33913		26-1561397
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

945 Bunker Hill Road, Suite 900, Houston, Texas		77024
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: 713- 961-4600

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: 

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 (b) under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.01 per share	NX	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 8.01 Other Events

On January 6, 2026, Teleios Global Opportunities Master Fund (“Teleios”) notified Quanex Building Products Corporation (the “Company”) of the resignation, effective January 8, 2026, of Teleios’ observer to the Company’s board of directors. Teleios will no longer hold an observer right with respect to the Company’s board following the resignation.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	QUANEX BUILDING PRODUCTS CORPORATION
	(Registrant)
January 9, 2026	/S/ PAUL B. CORNETT
(Date)	Paul B. Cornett Senior Vice President – General Counsel and Secretary

FAQ

What governance change did Quanex Building Products (NX) disclose?

Quanex Building Products disclosed that Teleios Global Opportunities Master Fund’s observer to the company’s board of directors resigned, with the resignation effective January 8, 2026.

When did the Teleios board observer resignation at Quanex (NX) take effect?

The resignation of Teleios Global Opportunities Master Fund’s observer to Quanex’s board of directors became effective on January 8, 2026.

Does Teleios still have board observer rights at Quanex Building Products?

No. The filing states that Teleios Global Opportunities Master Fund will no longer hold an observer right with respect to Quanex’s board of directors following the resignation of its observer.

Did Quanex’s filing mention changes to its board of directors themselves?

The disclosure specifically refers to the resignation of Teleios’s board observer and notes that Teleios will no longer have observer rights. It does not describe changes to the company’s directors.

Who signed the Quanex Building Products governance update?

The report was signed on behalf of Quanex Building Products Corporation by Paul B. Cornett, Senior Vice President – General Counsel and Secretary.