content: <PAGE>
  
                        SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C. 20549
  
  
                                     FORM 8-K
  
  
                              Current Report Pursuant
                           to Section 13 or 15(d) of the
                          Securities Exchange Act of 1934
  
         Date of Report (Date of earliest event reported): April 16, 2001
  
  
                                Greater Bay Bancorp
              (Exact name of registrant as specified in its charter)
  
  
  
      California                                          77-0387041
  (State or other jurisdiction of                         (I.R.S. employer
  incorporation or organization)                          identification number)
  
  
  
                          Commission file number:  0-25034
  
  
                              2860 West Bayshore Road
                            Palo Alto, California 94303
               (Address of principal executive offices and zip code)
  
  
         Registrant's telephone number, including area code: (650) 813-8200
  
  <PAGE>
  
  Item 5.  Other Events.
  
           On April 16, 2001, Greater Bay Bancorp (the "Registrant") issued a
  press release announcing the appointment of Byron Scordelis as Chief Operating
  Officer. The press release is attached hereto as Exhibit 99.1 and is filed and
  incorporated by reference.
  
           On April 17, 2001, the Registrant issued a press release announcing its
  first quarter 2001 results. The titles and paragraphs 1 through 6, 8, 9, 11, 16,
  17 and 18 of the press release, which appear as part of Exhibit 99.2, are filed
  and incorporated herein by reference.
  
  Item 7.  Financial Statements and Exhibits.
  
  Exhibits
  --------
  
  99.1     Press Release dated April 16, 2001 re appointment of Chief Operating
           Officer
  
  99.2     Press Release dated April 17, 2001 re first quarter 2001 results
  
  Item 9.  Regulation FD Disclosure
  
           Paragraphs 7, 10, 12, 13, 14 and 15 of the press release appearing in
  Exhibit 99.2 are not filed but are furnished pursuant to Regulation FD.
  
                                         2
  <PAGE>
  
                                     SIGNATURES
  
           Pursuant to the requirements of the Securities Exchange Act of 1934, as
  amended, the Registrant has duly caused this report to be signed on its behalf
  by the undersigned hereunto duly authorized.
  
                                          Greater Bay Bancorp
                                          (Registrant)
  
  
  
  Dated: April 17, 2001                   By:  /s/ Linda M. Iannone
                                               --------------------
                                               Linda M. Iannone
                                               Senior Vice President and General
                                               Counsel
  
                                         3
  <PAGE>
  
                                   Exhibit Index
                                   -------------
  
  99.1   Press Release dated April 16, 2001 re appointment of Chief Operating
         Officer
  
  99.2   Press Release dated April 17, 2001 re first quarter 2001 results
  
                                         4
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metadata_filer: {"company-data": {"conformed-name": "GREATER BAY BANCORP", "cik": "0000775473", "assigned-sic": "6021", "irs-number": "770387041", "state-of-incorporation": "CA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-25034", "film-number": "1604165"}, "business-address": {"street1": "2860 WEST BAYSHORE ROAD", "city": "PALO ALTO", "state": "CA", "zip": "94303", "phone": "4153751555"}, "mail-address": {"street1": "2860 BAYSHORE ROAD", "street2": "420 COWPER ST", "city": "PALO ALTO", "state": "CA", "zip": "943011504"}, "former-company": [{"former-conformed-name": "MID PENINSULA BANCORP", "date-changed": "19941031"}, {"former-conformed-name": "SAN MATEO COUNTY BANCORP", "date-changed": "19920703"}]}
text: SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C. 20549
  
                                     FORM 8-K
  
                              Current Report Pursuant
                           to Section 13 or 15(d) of the
                          Securities Exchange Act of 1934
  
         Date of Report (Date of earliest event reported): April 16, 2001
  
                                Greater Bay Bancorp
              (Exact name of registrant as specified in its charter)
  
      California                                          77-0387041
  (State or other jurisdiction of                         (I.R.S. employer
  incorporation or organization)                          identification number)
  
                          Commission file number:  0-25034
  
                              2860 West Bayshore Road
                            Palo Alto, California 94303
               (Address of principal executive offices and zip code)
  
         Registrant's telephone number, including area code: (650) 813-8200
  Item 5.  Other Events.
  
           On April 16, 2001, Greater Bay Bancorp (the "Registrant") issued a
  press release announcing the appointment of Byron Scordelis as Chief Operating
  Officer. The press release is attached hereto as Exhibit 99.1 and is filed and
  incorporated by reference.
  
           On April 17, 2001, the Registrant issued a press release announcing its
  first quarter 2001 results. The titles and paragraphs 1 through 6, 8, 9, 11, 16,
  17 and 18 of the press release, which appear as part of Exhibit 99.2, are filed
  and incorporated herein by reference.
  
  Item 7.  Financial Statements and Exhibits.
  
  Exhibits
  --------
  
  99.1     Press Release dated April 16, 2001 re appointment of Chief Operating
           Officer
  
  99.2     Press Release dated April 17, 2001 re first quarter 2001 results
  
  Item 9.  Regulation FD Disclosure
  
           Paragraphs 7, 10, 12, 13, 14 and 15 of the press release appearing in
  Exhibit 99.2 are not filed but are furnished pursuant to Regulation FD.
  
                                         2
  SIGNATURES
  
           Pursuant to the requirements of the Securities Exchange Act of 1934, as
  amended, the Registrant has duly caused this report to be signed on its behalf
  by the undersigned hereunto duly authorized.
  
                                          Greater Bay Bancorp
                                          (Registrant)
  
  Dated: April 17, 2001                   By:  /s/ Linda M. Iannone
                                               --------------------
                                               Linda M. Iannone
                                               Senior Vice President and General
                                               Counsel
  
                                         3
  Exhibit Index
                                   -------------
  
  99.1   Press Release dated April 16, 2001 re appointment of Chief Operating
         Officer
  
  99.2   Press Release dated April 17, 2001 re first quarter 2001 results
  
                                         4