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        Signature
      
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        /s/ Kate Vandenberg as attorney-in-fact for Christopher Gustanski
      
      
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        Stock symbol
      
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        PHIN
      
      
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        Transactions as of
      
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        Jun 16, 2025
      
      
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        Transactions value $
      
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        $0
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        6/18/2025, 06:11 PM
      
 
     
   
 
  
    Reporting Owners (1)
  
  
    
      
        
          | Name | Relationship | Address | Signature | Signature date | CIK | 
      
      
          
            | Gustanski Christopher | VP, Operational Excellence | 3000 UNIVERSITY DRIVE, AUBURN HILLS | /s/ Kate Vandenberg as attorney-in-fact for Christopher Gustanski | 2025-06-18 | 0001981190 | 
      
    
   
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | PHIN | Common Stock | Award | $0 | +91 | +0.39% | $0.00 | 23.1K | Jun 16, 2025 | Direct | F1, F2 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  Power of Attorney is attached hereto as Exhibit 24.