0000899243-23-004411.txt : 20230209
0000899243-23-004411.hdr.sgml : 20230209
20230209163021
ACCESSION NUMBER: 0000899243-23-004411
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230207
FILED AS OF DATE: 20230209
DATE AS OF CHANGE: 20230209
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: TRV GP IV, LLC
CENTRAL INDEX KEY: 0001688325
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 23606670
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
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Third Rock Ventures GP IV, L.P.
CENTRAL INDEX KEY: 0001688326
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 23606671
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
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Third Rock Ventures IV, L.P.
CENTRAL INDEX KEY: 0001688327
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 23606672
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
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Magenta Therapeutics, Inc.
CENTRAL INDEX KEY: 0001690585
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 000000000
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 100 TECHNOLOGY SQUARE
STREET 2: 5TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
BUSINESS PHONE: 857-201-2700
MAIL ADDRESS:
STREET 1: 100 TECHNOLOGY SQUARE
STREET 2: 5TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
4
1
doc4.xml
FORM 4 SUBMISSION
X0306
4
2023-02-07
1
0001690585
Magenta Therapeutics, Inc.
MGTA
0001688327
Third Rock Ventures IV, L.P.
C/O THIRD ROCK VENTURES, LLC
201 BROOKLINE AVE, SUITE 1401
BOSTON
MA
02215
0
0
1
0
0001688326
Third Rock Ventures GP IV, L.P.
201 BROOKLINE AVE, SUITE 1401
BOSTON
MA
02215
0
0
1
0
0001688325
TRV GP IV, LLC
201 BROOKLINE AVE, SUITE 1401
BOSTON
MA
02215
0
0
1
0
Common Stock
2023-02-07
4
S
0
2200000
0.83
D
4558204
D
Common Stock
2023-02-08
4
S
0
1500000
0.82
D
3058204
D
The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.808 to $0.86, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1).
These shares are directly held by Third Rock Ventures IV, L.P. ("TRV IV"). The general partner of TRV IV is Third Rock Ventures GP IV, L.P. ("TRV GP IV"). The general partner of TRV GP IV is TRV GP IV, LLC ("TRV GP IV LLC"). Each of TRV GP IV and TRV GP IV LLC disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares.
The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.801 to $0.893, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3).
/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC, general partner of Third Rock Ventures GP IV, L.P., general partner of Third Rock Ventures IV, L.P.
2023-02-09
/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC, general partner of Third Rock Ventures GP IV, L.P.
2023-02-09
/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC
2023-02-09