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): March 12, 2002 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 March 12, 2002, Greater Bay Bancorp (the "Registrant") consummated its acquisition of Alburger, Basso, deGrosz Insurance Services, Inc. ("ABD") pursuant to an Amended and Restated Agreement and Plan of Merger and Reorganization, dated as of March 11, 2002 (the "Agreement"), providing for the initial merger of ABD Acquisition Corp., a wholly owned subsidiary of the Registrant, with and into ABD (the "Merger") . As a result of the Merger, ABD became a wholly owned subsidiary of the Registrant. Prior to December 31, 2002, a second merger will occur in which ABD will merge with and into ABD Insurance and Financial Services (formerly known as GBBK Corp.), also a wholly owned subsidiary of the Registrant. The Registrant issued a press release announcing completion of the Merger on March 12, 2002, a copy of which is attached hereto as Exhibit 99.1. Item 7. Financial Statements and Exhibits. Exhibits -------- 2.1 Amended and Restated Agreement and Plan of Merger and Reorganization, dated as of March 11, 2002, by and among Greater Bay Bancorp, Alburger, Basso, deGrosz Insurance Services, Inc., ABD Acquisition Corp. and ABD Insurance and Financial Services 99.1 Press Release issued March 12, 2002 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: March 14, 2002 By: /s/ Linda M. Iannone ---------------------------------- Linda M. Iannone Senior Vice President and General Counsel 3 Exhibit Index ------------- 2.1 Amended and Restated Agreement and Plan of Merger and Reorganization, dated as of March 11, 2002, by and among Greater Bay Bancorp, Alburger, Basso, deGrosz Insurance Services, Inc., ABD Acquisition Corp. and ABD Insurance and Financial Services 99.1 Press Release issued March 12, 2002