- 
        Signature
      
 
      - 
        /s/ Beth Hecht, Attorney-in-Fact
      
 
    
    
      
- 
        Stock symbol
      
 
      - 
        XERS
      
 
    
    
      
- 
        Transactions as of
      
 
      - 
        Jan 3, 2025
      
 
    
    
      
- 
        Transactions value $
      
 
      - 
        -$44,768
      
 
    
    
      
- 
        Form type
      
 
      - 
        4
      
 
    
    
      
- 
        Date filed
      
 
      - 
        1/7/2025, 04:42 PM
      
 
    
    
    
    
   
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            XERS | 
            Common Stock | 
            Tax liability | 
            -$44.8K | 
            -12.4K | 
            -3.31% | 
            $3.61 | 
            362K | 
            Jan 3, 2025 | 
            Direct | 
            F1, F2 | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  Senior Vice President, Global Development and Medical Affairs