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                    Closing price on 12/16/2021
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                    | Open | 3.10 |  
                    | High | 3.10 |  
                    | Low | 3.10 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 3.10 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/16/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  
            | 12/15/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  			
            | 12/14/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  
            | 12/13/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  			
            | 12/10/2021 | -0.20 / -6.06% | 3.30 | 3.40 | 3.00 | 3.10 | 3.18 | 3.10 | 4,771,700 |   |  
            | 12/9/2021 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  			
            | 12/8/2021 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  
            | 12/7/2021 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  			
            | 12/6/2021 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  
            | 12/3/2021 | -0.10 / -2.94% | 3.50 | 3.60 | 3.20 | 3.30 | 3.40 | 3.30 | 4,946,100 |   |  			
            | 12/2/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 12/1/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/30/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 11/29/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/26/2021 | -0.30 / -8.11% | 3.90 | 4.00 | 3.40 | 3.40 | 3.61 | 3.40 | 5,464,400 |   |  
            | 11/25/2021 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  			
            | 11/24/2021 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  
            | 11/23/2021 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  			
            | 11/22/2021 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  
            | 11/19/2021 | +0.30 / +8.82% | 3.60 | 3.70 | 3.40 | 3.70 | 3.66 | 3.70 | 11,583,400 |   |  			
            | 11/18/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 11/17/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/16/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 11/15/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/12/2021 | 0.00 / 0.00% | 3.40 | 3.50 | 3.20 | 3.40 | 3.35 | 3.40 | 8,916,900 |   |  
            | 11/11/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/10/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 11/9/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/8/2021 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 11/5/2021 | -0.20 / -5.56% | 3.30 | 3.60 | 3.30 | 3.40 | 3.36 | 3.40 | 12,988,520 |   |  |