X0303 4 2009-05-14 0001017259 NMT MEDICAL INC NMTI 0001137521 GLENHILL ADVISORS LLC 598 MADISON AVENUE 12TH FLOOR NEW YORK NY 10022 0 0 1 0 0001159120 KREVLIN GLENN J 598 MADISON AVENUE 12TH FLOOR NEW YORK NY 10022 0 0 1 0 0001137522 GLENHILL CAPITAL MANAGEMENT LLC 598 MADISON AVENUE 12TH FLOOR NEW YORK NY 10022 0 0 1 0 Common Stock 2009-05-14 4 P 0 10000 1.1363 A 1464820 I See Footnote Reporting person, Glenn J. Krevlin, is the managing member of Glenhill Advisors, LLC, a limited liability company that is managing member of Glenhill Capital Management LLC, which has investment control and owns a minority interest in various private investment funds, including Glenhill Capital LP, Glenhill Capital Overseas Master Fund, LP and Glenhill Concentrated Long Master Fund LLC, which collectively own the reported securities. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein. Glenhill Capital LP purchased 5,810 of the securities reported in this Form 4, and Glenhill Capital Overseas Master Fund, LP purchased 4,190 of the securities reported in this Form 4. Of the 1,464,820 securities reported in this Form 4, reporting person Glenn J. Krevlin directly beneficially owns 69,820 of the issuer's securities. /s/ Glenn J. Krevlin 2009-05-18 /s/ Glenn J. Krevlin, Managing Member, Glenhill Advisors, LLC 2009-05-18 /s/ Glenn J. Krevlin, Managing Member, Glenhill Advisors, LLC, Managing Member, Glenhill Capital Management, LLC 2009-05-18