0001072613-11-000510.txt : 20110524 0001072613-11-000510.hdr.sgml : 20110524 20110524144436 ACCESSION NUMBER: 0001072613-11-000510 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110520 FILED AS OF DATE: 20110524 DATE AS OF CHANGE: 20110524 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KAHN DAVID C CENTRAL INDEX KEY: 0001278189 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-15288 FILM NUMBER: 11867821 MAIL ADDRESS: STREET 1: 380 HEMPSTEAD AVE CITY: WEST HEMPSTEAD STATE: NY ZIP: 11552 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NETWORK 1 SECURITY SOLUTIONS INC CENTRAL INDEX KEY: 0001065078 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 113027591 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 445 PARK AVENUE STREET 2: SUITE 1018 CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2128295770 MAIL ADDRESS: STREET 1: 445 PARK AVENUE STREET 2: SUITE 1018 CITY: NEW YORK STATE: NY ZIP: 10022 4 1 kahn4-051911_17126.xml FORM 4 X0303 4 2011-05-20 0 0001065078 NETWORK 1 SECURITY SOLUTIONS INC NSSI-OTC 0001278189 KAHN DAVID C 380 HEMPSTEAD AVENUE WEST HEMPSTEAD NY 11552 0 1 0 0 Chief Financial Officer Option to purchase common stock 0.68 2011-05-20 4 J 0 75000 0 D 2011-05-20 2014-12-20 Common Stock 75000 75000 D The expiration date of the previously issued option was extended for three years to December 20, 2014 by the Board of Directors on May 20, 2011. /s/ David C. Kahn 2011-05-24