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        Signature
      
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        /s/ John Junyong Lee, POA for Stephen T. Chen
      
      
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        Stock symbol
      
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        AIMD
      
      
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        Transactions as of
      
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        Jun 27, 2022
      
      
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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
      
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        6/27/2022, 07:21 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | holding | AIMD | COMMON STOCK |  |  |  |  |  | 1.94M | Jun 27, 2022 | Direct |  | 
          
            | holding | AIMD | COMMON STOCK |  |  |  |  |  | 595K | Jun 27, 2022 | STC International | F1 | 
          
            | holding | AIMD | COMMON STOCK |  |  |  |  |  | 39.5K | Jun 27, 2022 | ACTS Biosciences | F2 | 
          
            | holding | AIMD | COMMON STOCK |  |  |  |  |  | 740K | Jun 27, 2022 | Spouse | F3 | 
          
            | holding | AIMD | COMMON STOCK |  |  |  |  |  | 4.53M | Jun 27, 2022 | Trust | F4 | 
      
    
   
  
    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 | 
      
      
          
            | holding | AIMD | Convertible Promissory Note |  |  |  |  |  | 0 | Jun 27, 2022 | Common Stock | 671K | $0.17 | Direct | F5 | 
          
            | holding | AIMD | Convertible Promissory Note |  |  |  |  |  | 0 | Jun 27, 2022 | Common Stock | 1.38M | $0.19 | Direct | F5 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  Stephen T. Chen is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
  
    Explanation of Responses: