-------------------------------------------------------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1) RADCOM LTD. -------------------------------------------------------------------------------- (Name of Issuer) ORDINARY SHARES, PAR VALUE NIS 0.05 PER SHARE -------------------------------------------------------------------------------- (Title of Class of Securities) M 81865103 -------------------------------------------------------------------------------- (CUSIP Number) DAVID ZIGDON DAVID P. STONE, ESQ. C/O RADCOM LTD. C/O WEIL, GOTSHAL & MANGES LLP 24 RAOUL WALLENBERG STREET 767 FIFTH AVENUE TEL AVIV 6719, ISRAEL NEW YORK, NY 10153 972-3-645-5004 (212) 310-8000 -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) SEPTEMBER 24, 2002 -------------------------------------------------------------------------------- (Date of Event which Requires Filing of This Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of ss.ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box [_]. Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See ss. 240.13d-7(b) for other parties to whom copies are to be sent. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 (the "Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). (Continued on following pages) (Page 1 of 7 Pages) NY2:\1197220\02\PNS402!.DOC\68918.0003 ----------------------------------- ---------------------------------------------- --------------------------------- CUSIP No. M 81865103 13D Page 2 of 7 ----------------------------------- ---------------------------------------------- --------------------------------- ---------------------- ----------------------------------------------------------- ------------------------------------------------ 1 NAME OF REPORTING PERSON: ZOHAR ZISAPEL I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY): ---------------------- ------------------------------------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (A) [ ] (B) [X] ---------------------- ------------------------------------------------------------------------------------------------------------ 3 SEC USE ONLY ---------------------- ------------------------------------- ---------------------------------------------------------------------- 4 SOURCE OF FUNDS: PF ---------------------- ------------------------------------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e): [ ] ---------------------- ----------------------------------------------------------- ------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION: ISRAEL ----------------------------------- -------- ---------------------------------------------------- --------------------------------- NUMBER OF 7 SOLE VOTING POWER: 2,433,975 (SEE ITEM 5) SHARES -------- ---------------------------------------------------- --------------------------------- BENEFICIALLY 8 SHARED VOTING POWER: 0 OWNED BY -------- ---------------------------------------------------- --------------------------------- EACH 9 SOLE DISPOSITIVE POWER: 2,433,975 (SEE ITEM 5) REPORTING -------- ---------------------------------------------------- --------------------------------- PERSON WITH 10 SHARED DISPOSITIVE POWER: 0 ---------------------- -------------------------------------------------------------------------- --------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON: 2,433,975 (SEE ITEM 5) ---------------------- ------------------------------------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] ---------------------- ------------------------------------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 23.2% ---------------------- ----------------------------------------------------------- ------------------------------------------------ 14 TYPE OF REPORTING PERSON: IN ---------------------- ----------------------------------------------------------- ------------------------------------------------ 2 ----------------------------------- ---------------------------------------------- --------------------------------- CUSIP No. M 81865103 13D Page 3 of 7 ----------------------------------- ---------------------------------------------- --------------------------------- ---------------------- ----------------------------------------------------------- ------------------------------------------------ 1 NAME OF REPORTING PERSON: KLIL & MICHAEL LTD. I.R.S. IDENTIFICATION NO. NOT APPLICABLE. OF ABOVE PERSON (ENTITIES ONLY): ---------------------- ------------------------------------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (A) [ ] (B) [X] ---------------------- ------------------------------------------------------------------------------------------------------------ 3 SEC USE ONLY ---------------------- ------------------------------------- ---------------------------------------------------------------------- 4 SOURCE OF FUNDS: NOT APPLICABLE ---------------------- ------------------------------------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e): [ ] ---------------------- ----------------------------------------------------------- ------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION: ISRAEL ----------------------------------- -------- ---------------------------------------------------- --------------------------------- NUMBER OF 7 SOLE VOTING POWER: 0 SHARES -------- ---------------------------------------------------- --------------------------------- BENEFICIALLY 8 SHARED VOTING POWER: 2,433,975 (SEE ITEM 5) OWNED BY -------- ---------------------------------------------------- --------------------------------- EACH 9 SOLE DISPOSITIVE POWER: 0 REPORTING -------- ---------------------------------------------------- --------------------------------- PERSON WITH 10 SHARED DISPOSITIVE POWER: 2,433,975 (SEE ITEM 5) ---------------------- -------------------------------------------------------------------------- --------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON: 2,433,975 (SEE ITEM 5) ---------------------- ------------------------------------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] ---------------------- ------------------------------------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 23.2% ---------------------- ----------------------------------------------------------- ------------------------------------------------ 14 TYPE OF REPORTING PERSON: CO ---------------------- ----------------------------------------------------------- ------------------------------------------------ 3 ----------------------------------- ---------------------------------------------- --------------------------------- CUSIP No. M 81865103 13D Page 4 of 7 ----------------------------------- ---------------------------------------------- --------------------------------- ---------------------- ----------------------------------------------------------- ------------------------------------------------ 1 NAME OF REPORTING PERSON: RAD DATA COMMUNICATIONS LTD. I.R.S. IDENTIFICATION NO. NOT APPLICABLE. OF ABOVE PERSON (ENTITIES ONLY): ---------------------- ------------------------------------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (A) [ ] (B) [X] ---------------------- ------------------------------------------------------------------------------------------------------------ 3 SEC USE ONLY ---------------------- ------------------------------------- ---------------------------------------------------------------------- 4 SOURCE OF FUNDS: NOT APPLICABLE. ---------------------- ------------------------------------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e): [ ] ---------------------- ----------------------------------------------------------- ------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION: ISRAEL ----------------------------------- -------- ---------------------------------------------------- --------------------------------- NUMBER OF 7 SOLE VOTING POWER: 0 SHARES -------- ---------------------------------------------------- --------------------------------- BENEFICIALLY 8 SHARED VOTING POWER: 2,433,975 (SEE ITEM 5) OWNED BY -------- ---------------------------------------------------- --------------------------------- EACH 9 SOLE DISPOSITIVE POWER: 0 REPORTING -------- ---------------------------------------------------- --------------------------------- PERSON WITH 10 SHARED DISPOSITIVE POWER: 2,433,975 (SEE ITEM 5) ---------------------- -------------------------------------------------------------------------- --------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON: 2,433,975 (SEE ITEM 5) ---------------------- ------------------------------------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] ---------------------- ------------------------------------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 23.2% ---------------------- ----------------------------------------------------------- ------------------------------------------------ 14 TYPE OF REPORTING PERSON: CO ---------------------- ----------------------------------------------------------- ------------------------------------------------ 4 This amendment No. 1 amends the Schedule 13D dated March 19, 2002, and is filed by Zohar Zisapel, for and on behalf of himself, Klil & Michael Ltd. and RAD Data Communications Ltd. (each a "Reporting Person", and together the Reporting Persons"), with respect to the ordinary shares, par value NIS 0.05 per share (the "Ordinary Shares"), of RADCOM Ltd. (the "Company"). ITEM 3 SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION. The aggregate amount of funds used by Zohar Zisapel in making the purchase of 195,858 Ordinary Shares referred to in Item 5(c) hereof was approximately $184,228. The source of such funds was the personal funds of Zohar Zisapel. ITEM 5 INTEREST IN SECURITIES OF THE ISSUER. (a) The responses of the Reporting Persons to Rows (11) through (13) of pages 2, 3 and 4 of this Amendment No. 1 are incorporated herein by reference. As of September 24, 2002, the Reporting Persons beneficially owned 2,433,975 Ordinary Shares, or 23.2% of the total number of Ordinary Shares issued and outstanding. Of the 2,433,975 Ordinary Shares, 2,203,196 Ordinary Shares, or 21.0% of the total number of Ordinary Shares issued and outstanding, were owned of record by Zohar Zisapel; 48,333, or 0.5% of the total number of Ordinary Shares issued and outstanding, were options granted to Zohar Zisapel to acquire Ordinary Shares that vest within 60 days of September 24, 2002; 54,500 of the Ordinary Shares, or 0.5% of the total number of Ordinary Shares issued and outstanding, were owned of record by Klil & Michael Ltd.; and 127,946 Ordinary Shares, or 1.2% of the total number of Ordinary Shares issued and outstanding, were owned of record by RAD Data Communications Ltd. Except as set forth in this Item 5(a), none of the Reporting Persons or, to their knowledge, any of the persons listed on Schedule A or Schedule B attached hereto, except for Yehuda Zisapel, beneficially owns any Ordinary Shares. (b) The responses of the Reporting Persons to (i) Rows (7) through (10) of pages 2, 3 and 4 of this Amendment No. 1 and (ii) Item 5(a) hereof are incorporated herein by reference. (c) From March 12, 2002, through September 14, 2002, Zohar Zisapel purchased, through open-market transactions executed on the Nasdaq National Market, 54,500 Ordinary Shares at an average price per share of $0.94. The Ordinary Shares were purchased on the following dates, in the amounts and for the prices as shown in the table below. ------------------------------------------------------------------------------------------------------------- PRICE PER ORDINARY SHARE DATE OF PURCHASE NUMBER OF ORDINARY SHARES IN U.S. DOLLARS TOTAL COST IN U.S. DOLLARS ------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------- July 30, 2002 12,614 $0.495 $6,244 ------------------------------------------------------------------------------------------------------------- August 1, 2002 9,600 $0.767 $7,326 ------------------------------------------------------------------------------------------------------------- August 2, 2002 1,700 $0.840 $1,428 ------------------------------------------------------------------------------------------------------------- August 5, 2002 28,000 $0.907 $25,400 ------------------------------------------------------------------------------------------------------------- August 6, 2002 14,800 $1.004 $14,865 ------------------------------------------------------------------------------------------------------------- August 7, 2002 25,000 $1.020 $25,492 ------------------------------------------------------------------------------------------------------------- August 8, 2002 1,800 $1.012 $1,822 ------------------------------------------------------------------------------------------------------------- 5 ------------------------------------------------------------------------------------------------------------- PRICE PER ORDINARY SHARE DATE OF PURCHASE NUMBER OF ORDINARY SHARES IN U.S. DOLLARS TOTAL COST IN U.S. DOLLARS ------------------------------------------------------------------------------------------------------------- August 9, 2002 1,000 $1.045 $1,045 ------------------------------------------------------------------------------------------------------------- August 12, 2002 3,600 $1.050 $3,780 ------------------------------------------------------------------------------------------------------------- August 15, 2002 4,000 $1.030 $4,120 ------------------------------------------------------------------------------------------------------------- August 16, 2002 100 $1.040 $104 ------------------------------------------------------------------------------------------------------------- August 20, 2002 2,000 $1.030 $2,060 ------------------------------------------------------------------------------------------------------------- August 21, 2002 1,144 $1.030 $1,178 ------------------------------------------------------------------------------------------------------------- August 22, 2002 3,000 $0.995 $2,985 ------------------------------------------------------------------------------------------------------------- August 26, 2002 20,000 $1.020 $20,400 ------------------------------------------------------------------------------------------------------------- August 27, 2002 3,200 $1.025 $3,280 ------------------------------------------------------------------------------------------------------------- September 3, 2002 12,500 $0.920 $11,500 ------------------------------------------------------------------------------------------------------------- September 4, 2002 10,200 $0.967 $9,865 ------------------------------------------------------------------------------------------------------------- September 5, 2002 26,900 $1.000 $26,900 ------------------------------------------------------------------------------------------------------------- September 6, 2002 5,000 $1.030 $5,150 ------------------------------------------------------------------------------------------------------------- September 9, 2002 3,800 $1.005 $3,819 ------------------------------------------------------------------------------------------------------------- September 14, 2002 5,900 $0.920 $5,428 ------------------------------------------------------------------------------------------------------------- Except as set forth above, none of the Reporting Persons or, to their knowledge, any of the persons listed on Schedule A or Schedule B attached hereto, has effected any transaction in the Ordinary Shares since March 12, 2002. (d) Not applicable. (e) Not applicable. ITEM 7. MATERIAL TO BE FILED AS EXHIBITS. EXHIBIT NO. DESCRIPTION ----------- ----------- 1. Joint Filing Agreement by and among Zohar Zisapel, Klil & Michael Ltd. and RAD Data Communications Ltd., dated as of September 29, 2002. 6 SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. /s/ Zohar Zisapel ------------------------------------------- Zohar Zisapel KLIL & MICHAEL LTD. By: /s/ Zohar Zisapel --------------------------------------- Name: Zohar Zisapel Title: Sole Director and Manager RAD DATA COMMUNICATIONS LTD. By: /s/ Zohar Zisapel --------------------------------------- Name: Zohar Zisapel Title: Director and Controlling Person Dated: September 29, 2002 7 SCHEDULE A DIRECTORS AND EXECUTIVE OFFICERS OF KLIL & MICHAEL LTD. ------------------------------------------------------- Zohar Zisapel is a citizen of the State of Israel. Name Present Business Address Present Principal Occupation ---- ------------------------ ---------------------------- Executive Officer, Director and Controlling Person: Zohar Zisapel 24 Raoul Wallenberg St., Chairman of the Board of Tel Aviv 69719, Israel RADCOM Ltd. SCHEDULE B DIRECTORS AND EXECUTIVE OFFICERS OF RAD DATA COMMUNICATIONS LTD. ---------------------------------------------------------------- Unless otherwise specified, each person listed below is a citizen of the State of Israel. Name Present Business Address Present Principal Occupation ---- ------------------------ ---------------------------- Executive Officers: Efraim Wachtel 24 Raoul Wallenberg St., Tel Aviv 69719, Israel President and Chief Executive Officer of RAD Data Communications Ltd. Directors and Controlling Persons: Zohar Zisapel 24 Raoul Wallenberg St., Tel Aviv 69719, Israel Director of RADCOM Ltd. Yehuda Zisapel 24 Raoul Wallenberg St., Tel Aviv 69719, Israel Director of various corporations Nava Zisapel 12 Hanechoshet St., Tel Aviv 69710, Israel President and Chief Executive Officer of Neurim Pharmaceuticals (1991) Ltd.; Professor at Tel Aviv University