If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


 
Teleios Capital Partners GmbH
 
Signature:/s/ Igor Kuzniar
Name/Title:Igor Kuzniar, Managing Officer
Date:10/26/2026
 
Teleios Global Opportunities Master Fund, Ltd.
 
Signature:/s/ Carl Speck
Name/Title:Carl Speck, Director
Date:10/26/2026
 
Igor Kuzniar
 
Signature:/s/ Igor Kuzniar
Name/Title:Igor Kuzniar
Date:10/26/2026
Comments accompanying signature:
Each Reporting Person listed above disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interests therein, and this report shall not be deemed an admission that such person is the beneficial owner of these securities for purposes of Section 16 of the U.S. Securities Exchange Act of 1934, as amended, or for any other purpose. Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (see 18 U.S.C. 1001).

 

Exhibit A

 

AGREEMENT

 

 

The undersigned agree that this Schedule 13D Amendment No. 2, dated October 26, 2026, relating to the Common Stock, par value $0.01 per share, of Quanex Building Products Corporation shall be filed on behalf of the undersigned.

 

 

  October 26, 2026  
  (Date)  
   
   
  Teleios Capital Partners GmbH
   
  /s/ Igor Kuzniar
  Name: Igor Kuzniar
  Title: Managing Officer
   
   
  Teleios Global Opportunities Master Fund, Ltd.
   
  /s/ Carl Speck
  Name: Carl Speck
  Title: Director
   
   
  Igor Kuzniar
  /s/ Igor Kuzniar

 

 

 

Exhibit B

 

Schedule of Transactions in the Shares

 

 

Trade Date Purchase/Sale Quantity Price ($) Price Range ($)*
10/22/2026 Sale 100,000 20.66 20.50 - 21.12
10/23/2026 Sale 75,000 19.93 19.79 - 20.06
10/26/2026 Sale 54,766 19.59 19.50 – 19.97

 

* Where a price range is provided in the Price Range ($) column, the price reported in that row’s Price ($) column is a weighted average price. These Shares were purchased/sold in multiple transactions at prices between the price ranges indicated in the Price Range ($) column. The Reporting Persons will undertake to provide to the staff of the SEC, upon request, full information regarding the number of Shares purchased/sold at each separate price.