0000899243-15-007644.txt : 20151109 0000899243-15-007644.hdr.sgml : 20151109 20151105163030 ACCESSION NUMBER: 0000899243-15-007644 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151103 FILED AS OF DATE: 20151105 DATE AS OF CHANGE: 20151105 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MyoKardia Inc CENTRAL INDEX KEY: 0001552451 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 455500552 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 333 ALLERTON AVENUE CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 650-741-0900 MAIL ADDRESS: STREET 1: 333 ALLERTON AVENUE CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: STARR KEVIN P CENTRAL INDEX KEY: 0001192603 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151201088 MAIL ADDRESS: STREET 1: 75 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2015-11-03 0 0001552451 MyoKardia Inc MYOK 0001192603 STARR KEVIN P C/O MYOKARDIA, INC. 333 ALLERTON AVENUE SOUTH SAN FRANCISCO CA 94080 1 0 1 0 Common Stock 2015-11-03 4 C 0 8843537 A 9387754 I By Third Rock Ventures II, L.P. Common Stock 2015-11-03 4 C 0 1496598 A 1496598 I By Third Rock Ventures III, L.P. Series A Preferred Stock 2015-11-03 4 C 0 32500000 0.00 D Common Stock 8843537 0 I By Third Rock Ventures II, L.P. Series A Preferred Stock 2015-11-03 4 C 0 5500000 0.00 D Common Stock 1496598 0 I By Third Rock Ventures III, L.P. The shares of Issuer's Series A Preferred Stock beneficially owned by the Reporting Person converted into Common Stock on a 1-for-3.675 basis immediately prior to the closing of the Issuer's initial public offering and has no expiration date. Reflects the conversion of the Issuer's Preferred Stock into Common Stock on a 1-for-3.675 basis, which became effective immediately prior to the closing of the Issuer's initial public offering. The shares are directly held by Third Rock Ventures II, L.P. ("TRV"). The general partner of TRV is Third Rock Ventures GP II, L.P. ("TRV GP"). The general partner of TRV GP is TRV GP II, LLC ("TRV GP LLC"). The individual managers of TRV GP LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper") and, as such, each of TRV GP, TRV GP LLC, Levin, Starr and Tepper exercises shared voting and investment power over the shares held of record by TRV. Each of the Reporting Persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any. The shares are directly held by Third Rock Ventures III, L.P. ("TRV"). The general partner of TRV is Third Rock Ventures GP III, L.P. ("TRV GP"). The general partner of TRV GP is TRV GP III, LLC ("TRV GP LLC"). The individual managers of TRV GP LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper") and, as such, each of TRV GP, TRV GP LLC, Levin, Starr and Tepper exercises shared voting and investment power over the shares held of record by TRV. Each of the Reporting Persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any. /s/ Steven Chan, as Attorney-in-Fact 2015-11-03