| 
             | 
    
             | 
    
             | 
  ||
| 
             (State or Other Jurisdiction) 
            of Incorporation) 
           | 
    
             (Commission File No.) 
           | 
    
             (I.R.S. Employer 
            Identification No.) 
           | 
  
| 
             , ,  
           | 
    
             | 
  |
| 
             (Address of Principal Executive Offices) 
           | 
    
             (Zip Code) 
           | 
  
| 
             Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) 
           | 
  
| 
             Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) 
           | 
  
| 
             Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) 
           | 
  
| 
             Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 
           | 
  
| 
             Securities registered pursuant to Section 12(b) of the Act: 
             | 
  ||
| 
             Title of each class 
           | 
    
             Trading symbol(s) 
           | 
    
             Name of each exchange on which registered 
           | 
  
| 
             | 
    
             | 
    
             | 
  
| 
               (a) 
             | 
    
                           Financial Statements of Businesses Acquired.  Not applicable. 
             | 
  
| 
               (b) 
             | 
    
               Pro Forma Financial Information.  Not applicable. 
             | 
  
| 
               (c) 
             | 
    
                           Shell Company Transactions.  Not applicable. 
             | 
  
| 
               (d) 
             | 
    
               Exhibits. 
             | 
  
| 99.1 | 
| 104.1 | 
             The cover page for this Current Report on Form 8-K, formatted in Inline XBRL. 
           | 
  
| 
             BERKSHIRE HILLS BANCORP, INC. 
           | 
  ||
| 
             DATE: August 13, 2021 
           | 
    
             By:    
           | 
     /s/ Wm. Gordon Prescott | 
  
| 
             Wm. Gordon Prescott 
            Executive Vice President and 
            General Counsel 
           |