| Sep 13, 2013 | The Community's Bank | Bridgeport | $26.4M | —
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| Jun 26, 2002 | Connecticut Bank of Commerce | Stamford | $384.2M | Hudson United Bank |
| Jul 12, 1996 | Fairfield First Bank & Trust Co | Southport | $57.3M | Norwalk Savings Society |
| Jul 28, 1995 | Founders Bank | New Haven | $77.4M | Centerbank |
| Jul 7, 1994 | The Meriden Trust and Safe Deposit | Meriden | $3.2M | People's Savings Bank & Tru |
| Jun 10, 1994 | The Bank of Hartford | Hartford | $321.5M | Eagle Federal Savings Ba |
| May 21, 1993 | New England Savings Bank | New London | $914.9M | Citizens Savings Bank |
| Dec 4, 1992 | Burritt Interfinancial Bancorporation | New Britain | $523.9M | Derby Savings Bank |
| Nov 6, 1992 | Greenwood Bank of Bethel, Inc. | Bethel | $33.3M | Union SB of Danbury |
| Oct 2, 1992 | First Constitution Bank | New Haven | $1.57B | First Federal Bank a FSB |
| Jun 26, 1992 | Vernon Bank | Vernon | $34.3M | Bank of South Windsor |
| Jun 19, 1992 | Coastal FSB | New London | $238.2M | Branch sale |
| May 8, 1992 | Brookfield Bank | Brookfield | $60.7M | Bristol Federal Savings |
| Apr 24, 1992 | The Norwalk Bank | Norwalk | $80.6M | Bank of Darien |
| Apr 9, 1992 | Fairfield County Trust Company | Stamford | $132.4M | Chase Manhattan BK of CT |
| Apr 3, 1992 | Summit National Bank | Torrington | $91.4M | American Bank of Connect |
| Feb 28, 1992 | Colony Savings Bank | Wallingford | $35.7M | New Haven Savings Bank |
| Jan 31, 1992 | Sentinel Bank | Hartford | $74.8M | Society for Savings |
| Dec 13, 1991 | The Bank Mart | Bridgeport | $578.2M | Gateway Bank |
| Dec 13, 1991 | Bank of East Hartford | East Hartford | $36.6M | Bank of South Windsor |
| Dec 6, 1991 | Saybrook Bank and Trust Company | Old Saybrook | $77.3M | The New Haven Savings Bank |
| Nov 14, 1991 | Connecticut Savings Bank | New Haven | $1.04B | Centerbank |
| Oct 18, 1991 | Central Bank | Meriden | $654.7M | Centerbank |
| Oct 18, 1991 | Connecticut Valley Bank | Cromwell | $28.4M | Midconn Bank |
| Oct 3, 1991 | Harbor National Bank of Connecticut | Branford | $22.9M | The New Haven Savings Bank |
| Sep 6, 1991 | Suffield Bank | Suffield | $294.8M | First Federal Bank, FSB |
| Aug 16, 1991 | Enfield National Bank | Enfield | $19.0M | Savings Institute |
| Aug 9, 1991 | Citytrust | Bridgeport | $1.92B | Chase Manhattan Bank of Con |
| Aug 9, 1991 | Mechanics and Farmers Savings Bank | Bridgeport | $1.08B | Chase Manhattan Bank of Con |
| Jul 26, 1991 | The Housatonic Bank & Trust Co | Ansonia | $69.1M | Shelton Savings Bank |
| Jul 12, 1991 | Danburry Savings & Loan | Danbury | $270.2M | Bristol FSB |
| Apr 12, 1991 | Security Savings & Loan | Waterbury | $143.2M | American Bank of CT |
| Apr 12, 1991 | Whitney Bank and Trust | Hamden | $40.6M | First Constitution Bank |
| Mar 28, 1991 | The Landmark Bank | Hartford | $227.9M | People's Bank |
| Feb 1, 1991 | The Merchants Bank and Trust Co | Norwalk | $269.9M | Union Trust Company |
| Jan 11, 1991 | Community National Bank | Glastonbury | $85.4M | Fleet Bank of Connecticut |
| Jan 11, 1991 | Connecticut Savings and Loan | Hartford | $17.4M | Bank of Boston Ct/bboc |
| Jan 6, 1991 | The Connecticut Bank & Trust Co | Hartford | $7.21B | New Connecticut Bank & Trus |
| Oct 19, 1990 | The Brooklyn Savings Bank | Danielson | $130.9M | Willimantic Savings Institu |
| Aug 17, 1990 | Financial Savings of Hartford FSB | Hartford | $21.9M | Northeast Savings, F.A. |
| Jun 29, 1990 | Charter Savings & Loan | Stamford | $103.0M | Greenwich FS&LA |
| Dec 7, 1989 | Community Federal Savings Assoc. | Bridgeport | $58.3M | Union Trust Co. |
| Nov 9, 1989 | National Industrial Bank of Connecticut | Meriden | $46.5M | Central Bank |
| Feb 17, 1989 | Columbia FED. Savings Bank | Westport | $145.6M | Gateway Bank |
| Mar 28, 1977 | The Monroe Bank and Trust Company | Monroe | $4.3M | —
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| Jun 24, 1939 | The Plantsville National Bank | Plantsville | $380K | —
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| Jul 16, 1936 | The East Hampton Bank & Trust Co. | East Hampton | $1.2M | —
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