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            | 
                    Closing price on 1/27/2022
                 |  |  
    
        |           
                
                    | Open | 3.20 |  
                    | High | 3.20 |  
                    | Low | 3.20 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 3.20 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/27/2022 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 1/26/2022 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  			
            | 1/25/2022 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 1/24/2022 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  			
            | 1/21/2022 | -0.20 / -5.88% | 3.40 | 3.50 | 3.10 | 3.20 | 3.27 | 3.20 | 2,733,100 |   |  
            | 1/20/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 1/19/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 1/18/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 1/17/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 1/14/2022 | -0.30 / -8.11% | 3.70 | 3.80 | 3.40 | 3.40 | 3.42 | 3.40 | 5,580,100 |   |  			
            | 1/13/2022 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  
            | 1/12/2022 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  			
            | 1/11/2022 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  
            | 1/10/2022 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  			
            | 1/7/2022 | +0.30 / +8.82% | 3.50 | 3.70 | 3.50 | 3.70 | 3.70 | 3.70 | 2,744,600 |   |  
            | 1/6/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 1/5/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 1/4/2022 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 12/31/2021 | +0.30 / +9.68% | 3.10 | 3.40 | 3.10 | 3.40 | 3.35 | 3.40 | 7,400,000 |   |  
            | 12/30/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  			
            | 12/29/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  
            | 12/28/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  			
            | 12/27/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  
            | 12/24/2021 | -0.10 / -3.13% | 3.20 | 3.40 | 3.10 | 3.10 | 3.21 | 3.10 | 3,143,900 |   |  			
            | 12/23/2021 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 12/22/2021 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  			
            | 12/21/2021 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 12/20/2021 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  			
            | 12/17/2021 | +0.10 / +3.23% | 3.10 | 3.30 | 3.10 | 3.20 | 3.21 | 3.20 | 3,758,650 |   |  
            | 12/16/2021 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  |