- 
        Signature
      
 
      - 
        /s/ Gerald Y. Ng, under POA for William Wentworth
      
 
    
    
      
- 
        Stock symbol
      
 
      - 
        DAIO
      
 
    
    
      
- 
        Transactions as of
      
 
      - 
        Sep 3, 2024
      
 
    
    
      
- 
        Transactions value $
      
 
      - 
        $478,460
      
 
    
    
      
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        Form type
      
 
      - 
        4
      
 
    
    
      
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        Date filed
      
 
      - 
        9/4/2024, 08:10 PM
      
 
    
    
    
    
   
     
   
 
  
    Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Underlying Class | 
          Amount | 
          Exercise Price | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            DAIO | 
            Common Stock | 
            Award | 
            $478K | 
            +200K | 
             | 
            $2.39 | 
            200K | 
            Sep 3, 2024 | 
            Common Stock | 
            200K | 
            $2.39 | 
            Direct | 
            F1, F2 | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  200,000 inducement shares granted 09-03-2024, vesting quarterly over 4 years, life of 6 years, vests on change in control