X0303 4 2010-02-16 0001017259 NMT MEDICAL INC NMTI 0001137521 GLENHILL ADVISORS LLC 156 WEST 56TH STREET 17TH FLOOR NEW YORK NY 10019 0 0 1 0 0001159120 KREVLIN GLENN J 156 WEST 56TH STREET 17TH FLOOR NEW YORK NY 10019 0 0 1 0 0001137522 GLENHILL CAPITAL MANAGEMENT LLC 156 WEST 56TH STREET 17TH FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock 2010-02-16 4 P 0 761938 2.15 A 2609358 I See Footnote Common Stock Purchase Warrant (Right to Buy) 2.90 2010-02-16 4 P 0 761938 2.15 A 2010-08-17 2015-02-16 Common Stock 609550 761938 I See Footnote 1 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. Of the securities reported in this Form 4, Glenhill Capital LP purchased 345,528 securities, Glenhill Capital Overseas Master Fund, LP purchased 306,410 securities, and Glenhill Concentrated Long Master Fund L.L.C. purchased 110,000 securities. Of the 2,609,358 securities reported in this Form 4, reporting person Glenn J. Krevlin directly beneficially owns 69,820 of the issuer's securities. In addition, the warrants shall not be exercisable until the closing price per share of the Common Stock of the issuer is equal to or greater than $2.90 per share for five consecutive trading days following such date. /s/ Glenn J. Krevlin 2010-02-19 /s/ Glenn J. Krevlin, Managing Member, Glenhill Advisors, LLC 2010-02-19 /s/ Glenn J. Krevlin, Managing Member, Glenhill Advisors, LLC, Managing Member, Glenhill Capital Management, LLC 2010-02-19