- 
        Signature
      
 
      - 
        /s/ Gerald Y. Ng, under POA for William Wentworth
      
 
    
    
      
- 
        Stock symbol
      
 
      - 
        DAIO
      
 
    
    
      
- 
        Transactions as of
      
 
      - 
        May 6, 2025
      
 
    
    
      
- 
        Transactions value $
      
 
      - 
        $24,998
      
 
    
    
      
- 
        Form type
      
 
      - 
        4
      
 
    
    
      
- 
        Date filed
      
 
      - 
        5/7/2025, 04:33 PM
      
 
    
    
    
   
     
   
 
  
    Reporting Owners (1)
  
  
    
      
        
          | Name | 
          Relationship | 
          Address | 
          Signature | 
          Signature date | 
          CIK | 
        
      
      
          
            | Wentworth William O. | 
            President, Director | 
            6645 185TH AVE NE, #100, REDMOND | 
            /s/ Gerald Y. Ng, under POA for William Wentworth | 
            2025-05-07 | 
            0001977418 | 
          
      
    
   
  
    Transactions Table
  
  
    
      
        
          | Type | 
          Sym | 
          Class | 
          Transaction | 
          Value $ | 
          Shares | 
          Change % | 
          * Price $ | 
          Shares After | 
          Date | 
          Ownership | 
          Footnotes | 
        
      
      
          
            | transaction | 
            DAIO | 
            Common Stock | 
            Purchase | 
            $25K | 
            +10.3K | 
            +29.45% | 
            $2.42 | 
            45.4K | 
            May 6, 2025 | 
            Direct | 
             | 
          
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Remarks:
  
  Form 4 reporting open market purchase of 10,332 shares of stock by William Wentworth on 5/6/2025