- 
        Signature
      
- 
        /s/ Katherine Bach Kalin
      
      
- 
        Stock symbol
      
- 
        SLS
      
      
- 
        Transactions as of
      
- 
        Aug 13, 2022
      
      
- 
        Transactions value $
      
- 
        $0
      
      
- 
        Form type
      
- 
        3
      
      
- 
        Date filed
      
- 
        8/16/2022, 04:07 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | holding | SLS | Common Stock |  |  |  |  |  | 0 | Aug 13, 2022 | Direct |  | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Remarks:
  
  Exhibit List - Exhibit 24 - Power of Attorney