X0202 SCHEDULE 13D/A 0000921895-26-000548 0001734341 XXXXXXXX LIVE 2 Ordinary Shares, NIS 0.20 par value per share 05/07/2026 true 0001016838 M81865111 RADCOM LTD

24 RAOUL WALLENBERG TEL AVIV L3 6971920

Cynthia Paul 914-449-4660 Lynrock Lake LP 2 International Drive, Suite 130 Rye Brook NY 10573 0001734341 N Lynrock Lake LP AF N DE 2625006.00 0.00 2625006.00 0.00 2625006.00 N 15.7 IA PN 0001771092 N LYNROCK LAKE PARTNERS LLC AF N DE 2625006.00 0.00 2625006.00 0.00 2625006.00 N 15.7 HC OO 0001736572 N Paul Cynthia AF N X1 2625006.00 0.00 2625006.00 0.00 2625006.00 N 15.7 IN HC Ordinary Shares, NIS 0.20 par value per share RADCOM LTD 24 RAOUL WALLENBERG TEL AVIV L3 6971920 The following constitutes Amendment No. 2 ("Amendment No. 2") to the Schedule 13D filed by the undersigned with the Securities and Exchange Commission (the "SEC") on February 24, 2026 and amended on April 28, 2026 (as amended, the "Schedule 13D"). This Amendment No. 2 amends and supplements the Schedule 13D as set forth below. Capitalized terms used herein and not otherwise defined in this Amendment No. 2 have the meanings set forth in the Schedule 13D. Item 3 is hereby amended and restated to read as follows: The source of the capital to purchase securities of the Issuer reported herein was Lynrock Fund's (as defined below) working capital, consisting of contributions from its general and limited partners (and which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 2,625,006 Ordinary Shares reported herein is approximately $28,572,087, including brokerage commissions. Item 5(a) is hereby amended and restated to read as follows: Rows 11 and 13 of each Reporting Person's cover page to this Schedule 13D set forth the aggregate number of Ordinary Shares and percentages of the Ordinary Shares beneficially owned by such Reporting Person and are incorporated by reference. The percentage set forth in each row 13 is based upon 16,738,377 Ordinary Shares outstanding as of April 8, 2026, as reported in Exhibit 99.1 to the Issuer's Form 6-K filed with the Securities and Exchange Commission on April 15, 2026. The Reporting Persons' ownership of the Issuer's securities consists of 2,625,006 Ordinary Shares held directly by Lynrock Lake Master Fund LP ("Lynrock Fund"). The Investment Manager is the investment manager of Lynrock Fund, and pursuant to an investment management agreement, the Investment Manager has been delegated full voting and investment power over securities of the Issuer held by Lynrock Fund. Ms. Paul, the Chief Investment Officer of the Investment Manager and Sole Member of the General Partner, the general partner of the Investment Manager, may be deemed to exercise voting and investment power over securities of the Issuer held by Lynrock Fund. Item 5(c) is hereby amended and restated to read as follows: The transactions in the securities of the Issuer by the Reporting Persons since the filing of Amendment No. 1 to the Schedule 13D are set forth in Exhibit 1 and are incorporated herein by reference. All of such transactions were effected in the open market unless otherwise noted therein. Item 7 is hereby amended to add the following exhibit: 1 - Transactions in Securities. Lynrock Lake LP /s/ Cynthia Paul 05/11/2026 LYNROCK LAKE PARTNERS LLC /s/ Cynthia Paul 05/11/2026 Paul Cynthia /s/ Cynthia Paul 05/11/2026