0001012975-15-000752.txt : 20151109 0001012975-15-000752.hdr.sgml : 20151109 20151105182520 ACCESSION NUMBER: 0001012975-15-000752 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: TEPPER ROBERT I CENTRAL INDEX KEY: 0001192595 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202008 MAIL ADDRESS: STREET 1: 40 LANDSDOWNE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LEVIN MARK J CENTRAL INDEX KEY: 0001180428 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202009 MAIL ADDRESS: STREET 1: 40 LANDSDOWNE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TRV GP III, LLC CENTRAL INDEX KEY: 0001637299 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202010 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET STREET 2: 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617)585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET STREET 2: 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures GP III, L.P. CENTRAL INDEX KEY: 0001637300 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202011 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET STREET 2: 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617)585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET STREET 2: 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TRV GP II, LLC CENTRAL INDEX KEY: 0001614073 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202013 BUSINESS ADDRESS: STREET 1: THIRD ROCK VENTURES STREET 2: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: THIRD ROCK VENTURES STREET 2: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures GP II, L.P. CENTRAL INDEX KEY: 0001614061 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202014 BUSINESS ADDRESS: STREET 1: THIRD ROCK VENTURES STREET 2: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: THIRD ROCK VENTURES STREET 2: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER NAME: FORMER CONFORMED NAME: Third Rock Ventures II GP, LP DATE OF NAME CHANGE: 20140716 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures II, L.P. CENTRAL INDEX KEY: 0001488495 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202015 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET STREET 2: 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET STREET 2: 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures III, L.P. CENTRAL INDEX KEY: 0001569705 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37609 FILM NUMBER: 151202012 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 4 1 edgar.xml PRIMARY DOCUMENT X0306 4 2015-11-03 0001552451 MyoKardia Inc MYOK 0001488495 Third Rock Ventures II, L.P. C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001614061 Third Rock Ventures GP II, L.P. C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001614073 TRV GP II, LLC C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001569705 Third Rock Ventures III, L.P. C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001637300 Third Rock Ventures GP III, L.P. C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001637299 TRV GP III, LLC C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001180428 LEVIN MARK J C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 0001192595 TEPPER ROBERT I C/O THIRD ROCK VENTURES, LLC 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 0 0 1 0 Common Stock 2015-11-03 4 C 0 8843537 A 9387754 D Common Stock 2015-11-03 4 C 0 1496598 A 1496598 D Series A Preferred Stock 2015-11-03 4 C 0 32500000 0 D Common Stock 8843537 0 D Series A Preferred Stock 2015-11-03 4 C 0 5500000 0 D Common Stock 1496598 0 D The aggregate number of shares of Issuer's Preferred Stock held by the Reporting Person converted into Common Stock immediately prior to the closing of the Issuer's initial public offering and has no expiration date. These shares converted into Common Stock on a one-for-3.675 basis. Reflects the conversion of the Issuer's Preferred Stock into Common Stock on a one-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 III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III LP"). The general partner of TRV GP III LP is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Levin, Starr and Tepper and, as such, each of TRV GP III LP and TRV GP III LLC, Levin, Starr and Tepper exercises shared voting and investment power over the shares held of record by TRV III. Each of the Reporting Persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any. Third Rock Ventures II, L.P., By: Third Rock Ventures GP II, L.P., its general partner, By: TRV GP II, LLC, its general partner 2015-11-05 Third Rock Ventures GP II, L.P., By: TRV GP II, LLC, its general partner 2015-11-05 TRV GP II, LLC 2015-11-05 Third Rock Ventures III, L.P., By: Third Rock Ventures GP III, L.P., its general partner, By: TRV GP III, LLC, its general partner 2015-11-05 Third Rock Ventures GP III, L.P., By: TRV GP III, LLC, its general partner 2015-11-05 TRV GP III, LLC 2015-11-05 Kevin Gillis by power of attorney for Mark Levin 2015-11-05 Kevin Gillis by power of attorney for Robert I. Tepper 2015-11-05