- 
        Signature
      
 
      - 
        By: Mark R. Slicer For: David Brian Miller
      
 
    
    
      
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        Stock symbol
      
 
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        ONTO
      
 
    
    
      
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        Transactions as of
      
 
      - 
        May 9, 2023
      
 
    
    
      
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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
      
 
      - 
        5/11/2023, 04:16 PM
      
 
    
    
    
    
   
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            ONTO | 
            Common Stock | 
            Award | 
            $0 | 
            +2.2K | 
            +15.06% | 
            $0.00 | 
            16.8K | 
            May 9, 2023 | 
            Direct | 
            F1, F2 | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  Exhibit List: Exhibit 24 - Power of Attorney