| 
                 
                    Closing price on 9/4/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    0.50 | 
                 
                
                    | High | 
                    0.50 | 
                 
                
                    | Low | 
                    0.40 | 
                     
                
                    | Volume | 
                    497,700 | 
                                 
                
                    | Split-adjusted Price | 
                    0.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ACM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/4/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.50
             |                     
            
                0.50
             |                                 
            
                497,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/3/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.60
             |           
            
                0.60
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.48
             |                     
            
                0.40
             |                                 
            
                517,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.60
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.50
             |                     
            
                0.50
             |                                 
            
                401,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2019
             | 
            
                -0.10 / -16.67%
             |             
            
                0.60
             |           
            
                0.60
             |               
            
                0.50
             |                           
            
                0.50
             | 
            
                0.51
             |                     
            
                0.50
             |                                 
            
                1,013,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.64
             |                     
            
                0.60
             |                                 
            
                1,067,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2019
             | 
            
                +0.10 / +20.00%
             |             
            
                0.60
             |           
            
                0.60
             |               
            
                0.50
             |                           
            
                0.60
             | 
            
                0.60
             |                     
            
                0.60
             |                                 
            
                990,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.50
             |                     
            
                0.50
             |                                 
            
                987,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.46
             |                     
            
                0.40
             |                                 
            
                232,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.50
             |                     
            
                0.50
             |                                 
            
                131,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.43
             |                     
            
                0.40
             |                                 
            
                149,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.42
             |                     
            
                0.40
             |                                 
            
                111,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.50
             |                     
            
                0.50
             |                                 
            
                159,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.40
             |                     
            
                0.40
             |                                 
            
                51,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.40
             |                     
            
                0.40
             |                                 
            
                121,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.40
             |                     
            
                0.40
             |                                 
            
                43,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.41
             |                     
            
                0.40
             |                                 
            
                84,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.41
             |                     
            
                0.40
             |                                 
            
                152,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.42
             |                     
            
                0.40
             |                                 
            
                120,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.40
             |                     
            
                0.40
             |                                 
            
                83,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.44
             |                     
            
                0.50
             |                                 
            
                444,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.42
             |                     
            
                0.40
             |                                 
            
                162,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.45
             |                     
            
                0.50
             |                                 
            
                198,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.40
             |                     
            
                0.40
             |                                 
            
                396,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.49
             |                     
            
                0.50
             |                                 
            
                86,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.46
             |                     
            
                0.50
             |                                 
            
                54,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.49
             |                     
            
                0.50
             |                                 
            
                96,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.49
             |                     
            
                0.50
             |                                 
            
                171,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2019
             | 
            
                +0.10 / +25.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.50
             | 
            
                0.44
             |                     
            
                0.50
             |                                 
            
                295,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.40
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.41
             |                     
            
                0.40
             |                                 
            
                122,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2019
             | 
            
                -0.10 / -20.00%
             |             
            
                0.50
             |           
            
                0.50
             |               
            
                0.40
             |                           
            
                0.40
             | 
            
                0.42
             |                     
            
                0.40
             |                                 
            
                177,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |