Insider Transactions in Q4 2025 at Energy Recovery, Inc. (ERII)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price | 
|---|---|---|---|---|---|
| 
           
            Oct 24                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              SELL
             
            
                Open market or private sale
             
           | 
        Direct | 
           
              9,168
              -4.49%
              
         |   
        
           
              $165,024              
              $18.0 P/Share              
                     
         | 
      
| 
           
            Oct 24                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              BUY
             
            
                Exercise of conversion of derivative security
             
           | 
        Direct | 
           
              9,168
              +4.28%
              
         |   
        
           
              $73,344              
              $8.85 P/Share              
                     
         | 
      
| 
           
            Oct 23                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              SELL
             
            
                Open market or private sale
             
           | 
        Direct | 
           
              3,530
              -3.5%
              
         |   
        
           
              $60,010              
              $17.5 P/Share              
                     
         | 
      
| 
           
            Oct 23                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              BUY
             
            
                Exercise of conversion of derivative security
             
           | 
        Direct | 
           
              3,530
              +3.38%
              
         |   
        
           
              $24,710              
              $7.5 P/Share              
                     
         | 
      
| 
           
            Oct 20                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              SELL
             
            
                Open market or private sale
             
           | 
        Direct | 
           
              3,530
              -3.5%
              
         |   
        
           
              $60,010              
              $17.0 P/Share              
                     
         | 
      
| 
           
            Oct 20                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              BUY
             
            
                Exercise of conversion of derivative security
             
           | 
        Direct | 
           
              3,530
              +3.38%
              
         |   
        
           
              $24,710              
              $7.5 P/Share              
                     
         | 
      
| 
           
            Oct 16                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              SELL
             
            
                Open market or private sale
             
           | 
        Direct | 
           
              3,530
              -3.5%
              
         |   
        
           
              $56,480              
              $16.5 P/Share              
                     
         | 
      
| 
           
            Oct 16                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              BUY
             
            
                Exercise of conversion of derivative security
             
           | 
        Direct | 
           
              3,530
              +3.38%
              
         |   
        
           
              $24,710              
              $7.5 P/Share              
                     
         | 
      
| 
           
            Oct 03                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              SELL
             
            
                Open market or private sale
             
           | 
        Direct | 
           
              3,567
              -1.79%
              
         |   
        
           
              $57,072              
              $16.0 P/Share              
                     
         | 
      
| 
           
            Oct 03                          
            2025                          
           
         |           
        William Yeung Chief Legal Officer | 
           
              BUY
             
            
                Exercise of conversion of derivative security
             
           | 
        Direct | 
           
              3,567
              +1.76%
              
         |   
        
           
              $24,969              
              $7.5 P/Share              
                     
         |