- 
        Signature
      
 
      - 
        /s/ Jennifer Ishiguro, Attorney-in-fact for Thomas Keck
      
 
    
    
      
- 
        Stock symbol
      
 
      - 
        STEP
      
 
    
    
      
- 
        Transactions as of
      
 
      - 
        Feb 21, 2024
      
 
    
    
      
- 
        Transactions value $
      
 
      - 
        -$2,587,119
      
 
    
    
      
- 
        Form type
      
 
      - 
        4
      
 
    
    
      
- 
        Date filed
      
 
      - 
        2/22/2024, 07:05 PM
      
 
    
    
    
    
   
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            STEP | 
            Class A Common Stock | 
            Sale | 
            -$851K | 
            -24.2K | 
            -7.33% | 
            $35.10 | 
            307K | 
            Feb 21, 2024 | 
            By Trust | 
            F1 | 
          
          
            | transaction | 
            STEP | 
            Class A Common Stock | 
            Sale | 
            -$1.74M | 
            -48.7K | 
            -15.88% | 
            $35.68 | 
            258K | 
            Feb 22, 2024 | 
            By Trust | 
            F2 | 
          
          
            | holding | 
            STEP | 
            Class A Common Stock | 
             | 
             | 
             | 
             | 
             | 
            9.52K | 
            Feb 21, 2024 | 
            Direct | 
             | 
          
          
            | holding | 
            STEP | 
            Class B Common Stock | 
             | 
             | 
             | 
             | 
             | 
            2.6M | 
            Feb 21, 2024 | 
            By Trust | 
             | 
          
          
            | holding | 
            STEP | 
            Class B Common Stock | 
             | 
             | 
             | 
             | 
             | 
            1.65M | 
            Feb 21, 2024 | 
            By Cresta Capital, LLC | 
             | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  Member of 13D Group that owns more than 10%