Quanex Building Products (NYSE: NX) insider filing details Teleios trades

Rhea-AI Filing Summary

Quanex Building Products Corp. reported insider transactions involving Teleios-related entities that are listed as directors and more-than-10% owners with board representation. On December 16, 2025, the reporting persons executed transactions in 80,515 shares of common stock at a weighted average price of $16.5061 per share, described as occurring within a range of $16.49 to $16.52. On December 17, 2025, they transacted in an additional 119,485 shares at a weighted average price of $15.9387 per share, within a range of $15.65 to $16.43.

After these transactions, the reporting persons are shown as beneficially owning 4,421,879 shares of Quanex common stock indirectly through Teleios Global Opportunities Master Fund, Ltd. The filing states that Teleios Capital Partners GmbH, as investment manager, and its managing officer Igor Kuzniar may be deemed beneficial owners through their roles, while each disclaims beneficial ownership beyond their pecuniary interest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Teleios Capital Partners GmbH

(Last) (First) (Middle)

BAARERSTRASSE 12

(Street)

ZUG V8 6300

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Quanex Building Products CORP [ NX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)	X	Other (specify below)
			OBSERVER SEAT ON BOARD

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.01 per share	12/16/2025		S		80,515	D	$16.5061(1)	4,541,364	I	See footnote(3)
Common Stock, par value $0.01 per share	12/17/2025		S		119,485	D	$15.9387(2)	4,421,879	I	See footnote(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Teleios Capital Partners GmbH

(Last) (First) (Middle)

BAARERSTRASSE 12

(Street)

ZUG V8 6300

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)	X	Other (specify below)
			OBSERVER SEAT ON BOARD

1. Name and Address of Reporting Person^*

Teleios Global Opportunities Master Fund, Ltd.

(Last) (First) (Middle)

C/O BNP PARIBAS BANK & TRUST CAYMAN LTD

BUCKINGHAM SQUARE, 720 WEST BAY ROAD

(Street)

GRAND CAYMAN E9 KY1-1104

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Kuzniar Igor Tadeusz

(Last) (First) (Middle)

C/O TELEIOS CAPITAL PARTNERS GMBH

BAARERSTRASSE 12

(Street)

ZUG V8 6300

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. This reported price is a weighted average price. These shares were bought in multiple transactions within the range of $16.49 and $16.52. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

2. This reported price is a weighted average price. These shares were bought in multiple transactions within the range of $15.65 and $16.43 The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

3. The securities reported herein are held by Teleios Global Opportunities Master Fund, Ltd., a Cayman Islands exempted company (the "Master Fund"). The reported securities may be deemed beneficially owned by Teleios Capital Partners GmbH, the investment manager of the Master Fund, and Teleios Capital Partners GmbH's managing member and controlling shareholder: Igor Kuzniar. Each of Mr. Kuzniar, the Master Fund, and Teleios Capital Partners GmbH, a Reporting Person. Teleios Capital Partners GmbH and Igor Kuzniar each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that each Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

	Teleios Capital Partners GmbH, /s/ Igor Kuzniar, Managing Officer	12/18/2025
	Teleios Global Opportunities Master Fund, Ltd., /s/ Carl Speck, Director	12/18/2025
	/s/ Igor Kuzniar	12/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did Quanex Building Products (NX) disclose in this filing?

The filing reports two insider transactions in Quanex common stock by Teleios-related reporting persons. On December 16, 2025, they transacted in 80,515 shares at a weighted average price of $16.5061 per share, and on December 17, 2025, they transacted in 119,485 shares at a weighted average price of $15.9387 per share.

How many Quanex (NX) shares do the reporting persons own after these transactions?

Following the reported transactions, the filing shows the reporting persons beneficially owning 4,421,879 shares of Quanex Building Products common stock, held indirectly through Teleios Global Opportunities Master Fund, Ltd.

Who are the reporting persons in this Quanex (NX) insider filing?

The securities are held by Teleios Global Opportunities Master Fund, Ltd. The filing states that Teleios Capital Partners GmbH, as the fund's investment manager, and its managing officer Igor Kuzniar may be deemed beneficial owners through their roles.

At what price ranges were the Quanex (NX) shares traded in these insider transactions?

For the December 16, 2025 transaction, the filing states the 80,515 shares were traded in multiple transactions within a range of $16.49 to $16.52, with a weighted average price of $16.5061. For December 17, 2025, the 119,485 shares were traded within a range of $15.65 to $16.43, with a weighted average price of $15.9387.

What roles do the reporting persons have in relation to Quanex Building Products (NX)?

The filing indicates that certain reporting persons are listed as directors and more-than-10% owners of Quanex Building Products Corp., with a noted observer seat on the board for one of the entities.

How is beneficial ownership described for the Teleios entities and individuals in this Quanex (NX) filing?

The filing explains that the reported securities may be deemed beneficially owned by Teleios Global Opportunities Master Fund, Ltd., Teleios Capital Partners GmbH, and Igor Kuzniar. It also states that Teleios Capital Partners GmbH and Igor Kuzniar each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest.