As filed with the Securities and Exchange Commission on August 2, 2024
    Registration No. 333-160718
     
    
    
    
      
    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
    POST-EFFECTIVE AMENDMENT NO. 1 TO:
    FORM S-8 REGISTRATION STATEMENT NO. 333-160718
    
    UNDER THE SECURITIES ACT OF 1933
    
      
    MUELLER INDUSTRIES, INC.
    (Exact name of registrant as specified in its charter)
    
      
    
        
          | Delaware |   | 25-0790410 | 
        
          | (State or other jurisdiction of incorporation or organization) |   | (I.R.S. Employer Identification Number) | 
        
          |   |   |   | 
        
          | 150 Schilling Boulevard, Suite 100 Collierville, Tennessee |   | 38017
 | 
        
          | (Address of Principal Executive Offices) |   | (Zip Code) | 
    
    
    
    
    Mueller Industries, Inc. 2009 Stock Incentive Plan
    (Full title of the plan)
    
      
    Christopher Miritello, Esq.
    Executive Vice President, General Counsel and Secretary
    Mueller Industries, Inc.
    150 Schilling Boulevard, Suite 100
    Collierville, Tennessee 38017
    (Name and address of agent for service)
    (901) 753-3200
    (Telephone number, including area code, of agent for service)
    Copies to:
    Serge Benchetrit, Esq.
    Willkie Farr & Gallagher LLP
    787 Seventh Avenue
    New York, New York 10019
    (212) 728-8000
    
      
    Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.
      See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
    
        
          | Large accelerated filer ☒ | Accelerated filer  ☐  | 
        
          | Non-accelerated filer ☐ | Smaller reporting company  ☐  | 
        
          |   | 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 7(a)(2)(B) of the
      Securities Act.  ☐
     
      
    
      
 
     
    
    DEREGISTRATION OF SECURITIES
     
    Mueller Industries, Inc. (the “Registrant”) is filing this Post-Effective Amendment No. 1 (this “Post-Effective Amendment”) to the following Registration Statement on Form S-8 (the “Prior
        Registration Statement”) filed by the Registrant with the Securities and Exchange Commission in respect of shares of its common stock, par value $0.01 per share (“Common Stock”).  The share amount listed
        below is the number originally presented in the Prior Registration Statement, and does not reflect any stock splits that occurred following the filing of the Prior Registration Statement.
    
    
    
      
          
            | • | 
                File No. 333-160718 filed with the SEC on July 21, 2009 registering the offer and sale of 750,000 shares of Common Stock issuable pursuant to the Mueller Industries, Inc. 2009 Stock Incentive Plan (the “2009 Plan”). | 
      
     
    
    
    As of the date hereof, the Registrant is no longer issuing securities under the 2009 Plan.  This Post-Effective Amendment to the Prior Registration Statement is being filed in order to deregister all
      shares of Common Stock that were registered under the Prior Registration Statement and that have not been and will not be issued under the 2009 Plan.
     
    
    SIGNATURES
     
    Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this
      Post-Effective Amendment No. 1 to the Prior Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Collierville, State of Tennessee, on the 2nd day of August, 2024. 
    
    
    
        
          |   | MUELLER INDUSTRIES, INC. | 
        
          |   | By: |        /s/ Christopher Miritello | 
        
          |   | Name: | Christopher Miritello | 
        
          |  | Title: | Executive Vice President, General Counsel and Secretary | 
    
     
    No other person is required to sign this Post-Effective Amendment No.1 to the Prior Registration Statement in reliance on Rule 478 of the Securities Act of 1933, as amended.