0001209191-12-033811.txt : 20120614 0001209191-12-033811.hdr.sgml : 20120614 20120614160701 ACCESSION NUMBER: 0001209191-12-033811 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120612 FILED AS OF DATE: 20120614 DATE AS OF CHANGE: 20120614 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SLEZAK MARK CENTRAL INDEX KEY: 0001165644 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33775 FILM NUMBER: 12907688 MAIL ADDRESS: STREET 1: TWO NORTH RIVERSIDE PLAZA STREET 2: SUITE 600 CITY: CHICAGO STATE: IL ZIP: 60606 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NANOSPHERE INC CENTRAL INDEX KEY: 0001105184 STANDARD INDUSTRIAL CLASSIFICATION: SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 4088 COMMERCIAL AVE CITY: NORTHBROOK STATE: IL ZIP: 60062 BUSINESS PHONE: 847-400-9000 MAIL ADDRESS: STREET 1: 4088 COMMERCIAL AVE CITY: NORTHBROOK STATE: IL ZIP: 60062 4 1 c29171_4x0.xml MAIN DOCUMENT DESCRIPTION X0305 4 2012-06-12 0001105184 NANOSPHERE INC NSPH 0001165644 SLEZAK MARK 440 W. ONTARIO STREET CHICAGO IL 60654 1 0 1 0 Common Stock 2012-06-12 4 P 0 10000 1.975 A 1925021 I By Anda-Proquest, LLC Common Stock 2012-06-13 4 P 0 40000 1.9503 A 1965021 I By Anda-Proquest, LLC Common Stock 2902407 I By Alfa-Tech, L.L.C. Common Stock 4006136 I By Lurie Investment Fund, L.L.C. Common Stock 24324 I By Eagle Capital Management, L.L.C. Common Stock 36486 I By WASK Investments, LLC Common Stock 524324 D Represents the weighted average price of multiple transactions with a range of prices between $1.95 and $2.00. The Reporting Person, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, undertakes to provide further information regarding the number of securities purchased at each separate price. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein. Represents the weighted average price of multiple transactions with a range of prices between $1.93 and $1.97. The Reporting Person, upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, undertakes to provide further information regarding the number of securities purchased at each separate price. /s/ Mark Slezak 2012-06-14