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                    Closing price on 5/16/2022
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                    | Open | 1.90 |  
                    | High | 1.90 |  
                    | Low | 1.90 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 1.90 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/16/2022 | 0.00 / 0.00% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 0 |   |  
            | 5/13/2022 | -0.20 / -9.52% | 1.90 | 2.00 | 1.90 | 1.90 | 1.90 | 1.90 | 1,353,300 |   |  			
            | 5/12/2022 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 5/11/2022 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 5/10/2022 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 5/9/2022 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 5/6/2022 | -0.20 / -8.70% | 2.30 | 2.30 | 2.10 | 2.10 | 2.11 | 2.10 | 1,547,400 |   |  
            | 5/5/2022 | 0.00 / 0.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 0 |   |  			
            | 5/4/2022 | 0.00 / 0.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 0 |   |  
            | 4/29/2022 | 0.00 / 0.00% | 2.10 | 2.40 | 2.10 | 2.30 | 2.29 | 2.30 | 1,761,400 |   |  			
            | 4/28/2022 | 0.00 / 0.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 0 |   |  
            | 4/27/2022 | 0.00 / 0.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 0 |   |  			
            | 4/26/2022 | 0.00 / 0.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 0 |   |  
            | 4/25/2022 | 0.00 / 0.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 0 |   |  			
            | 4/22/2022 | -0.20 / -8.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 729,000 |   |  
            | 4/21/2022 | 0.00 / 0.00% | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 0 |   |  			
            | 4/20/2022 | 0.00 / 0.00% | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 0 |   |  
            | 4/19/2022 | 0.00 / 0.00% | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 0 |   |  			
            | 4/18/2022 | 0.00 / 0.00% | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 0 |   |  
            | 4/15/2022 | -0.20 / -7.41% | 2.70 | 2.70 | 2.50 | 2.50 | 2.51 | 2.50 | 2,378,800 |   |  			
            | 4/14/2022 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  
            | 4/13/2022 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  			
            | 4/12/2022 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  
            | 4/8/2022 | -0.20 / -6.90% | 2.90 | 2.90 | 2.70 | 2.70 | 2.77 | 2.70 | 1,746,100 |   |  			
            | 4/7/2022 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 4/6/2022 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  			
            | 4/5/2022 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 4/4/2022 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  			
            | 4/1/2022 | -0.20 / -6.45% | 3.00 | 3.10 | 2.80 | 2.90 | 2.89 | 2.90 | 3,122,300 |   |  
            | 3/31/2022 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  |