SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A AMENDMENT NO. 1 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 26, 2002 MERRIMAC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 0-11201 22-1642321 -------- ------- ---------- (State of incorporation (Commission File Number) (IRS Employer or organization) Identification Number) 41 Fairfield Place, West Caldwell, New Jersey 07006 --------------------------------------------------- (Address of Principal Executive Offices) Registrant's telephone number: (973) 575-1300 ITEM 4. CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANT. On April 30, 2002, registrant filed a Current Report on Form 8-K disclosing in Item 4 thereof the termination of its relationship with its auditor Arthur Andersen LLP. The termination was effectuated by a dismissal of Arthur Andersen LLP by registrant. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits 16.2 Letter from Arthur Andersen LLP to the Securities and Exchange Commission dated May 6, 2002. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized. MERRIMAC INDUSTRIES, INC. By: /s/ Robert V. Condon --------------------------------- Name: Robert V. Condon Title: Vice President, Finance and Chief Financial Officer Date: May 7, 2002 3