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                    Closing price on 10/23/2025
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        |           
                
                    | Open | 12.90 |  
                    | High | 12.90 |  
                    | Low | 12.60 |  
                    | Volume | 12,900 |  
                    | Split-adjusted Price | 12.80 |  
                
             | 
 |  NST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/23/2025 | -0.30 / -2.29% | 12.90 | 12.90 | 12.60 | 12.80 | 12.76 | 12.80 | 12,900 |   |  
            | 10/22/2025 | 0.00 / 0.00% | 13.10 | 13.10 | 13.10 | 13.10 | 13.10 | 13.10 | 3,000 |   |  			
            | 10/21/2025 | -0.70 / -5.07% | 13.80 | 13.80 | 13.10 | 13.10 | 13.45 | 13.10 | 200 |   |  
            | 10/20/2025 | 0.00 / 0.00% | 13.80 | 13.80 | 13.80 | 13.80 | 13.80 | 13.80 | 0 |   |  			
            | 10/17/2025 | 0.00 / 0.00% | 13.80 | 13.80 | 13.80 | 13.80 | 13.80 | 13.80 | 0 |   |  
            | 10/16/2025 | 0.00 / 0.00% | 13.80 | 13.80 | 13.80 | 13.80 | 13.80 | 13.80 | 0 |   |  			
            | 10/15/2025 | +0.90 / +6.98% | 13.50 | 13.80 | 13.50 | 13.80 | 13.70 | 13.80 | 1,000 |   |  
            | 10/14/2025 | -0.90 / -6.52% | 13.00 | 13.00 | 12.90 | 12.90 | 12.97 | 12.90 | 1,200 |   |  			
            | 10/13/2025 | +0.80 / +6.15% | 13.00 | 13.80 | 13.00 | 13.80 | 13.76 | 13.80 | 2,100 |   |  
            | 10/10/2025 | +0.60 / +4.84% | 12.90 | 13.00 | 12.90 | 13.00 | 12.98 | 13.00 | 1,300 |   |  			
            | 10/9/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 300 |   |  
            | 10/8/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  			
            | 10/7/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  
            | 10/6/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  			
            | 10/3/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  
            | 10/2/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  			
            | 10/1/2025 | 0.00 / 0.00% | 12.10 | 12.40 | 12.10 | 12.40 | 12.15 | 12.40 | 1,700 |   |  
            | 9/30/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.20 | 12.40 | 12.38 | 12.40 | 1,200 |   |  			
            | 9/29/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 300 |   |  
            | 9/26/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  			
            | 9/25/2025 | +0.40 / +3.33% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 5,500 |   |  
            | 9/24/2025 | -0.50 / -4.00% | 12.10 | 12.10 | 12.00 | 12.00 | 12.02 | 12.00 | 1,800 |   |  			
            | 9/23/2025 | +0.10 / +0.81% | 12.20 | 12.50 | 12.20 | 12.50 | 12.27 | 12.50 | 1,300 |   |  
            | 9/22/2025 | 0.00 / 0.00% | 12.40 | 12.50 | 12.40 | 12.40 | 12.42 | 12.40 | 500 |   |  			
            | 9/19/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  
            | 9/18/2025 | 0.00 / 0.00% | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 12.40 | 0 |   |  			
            | 9/17/2025 | -0.70 / -5.34% | 13.10 | 13.10 | 12.30 | 12.40 | 12.85 | 12.40 | 600 |   |  
            | 9/16/2025 | 0.00 / 0.00% | 13.10 | 13.10 | 13.10 | 13.10 | 13.10 | 13.10 | 0 |   |  			
            | 9/15/2025 | 0.00 / 0.00% | 12.90 | 13.10 | 12.90 | 13.10 | 12.91 | 13.10 | 2,300 |   |  
            | 9/12/2025 | +0.40 / +2.92% | 14.10 | 14.10 | 14.10 | 14.10 | 14.10 | 13.10 | 100 |   |  |