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