0001209191-20-042320.txt : 20200713
0001209191-20-042320.hdr.sgml : 20200713
20200713190553
ACCESSION NUMBER: 0001209191-20-042320
CONFORMED SUBMISSION TYPE: 3
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20200629
FILED AS OF DATE: 20200713
DATE AS OF CHANGE: 20200713
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Atlas Venture Opportunity Fund I, L.P.
CENTRAL INDEX KEY: 0001759241
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 3
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 201026064
BUSINESS ADDRESS:
STREET 1: 400 TECHNOLOGY SQUARE, 10TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
BUSINESS PHONE: 857-201-2700
MAIL ADDRESS:
STREET 1: 400 TECHNOLOGY SQUARE, 10TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Atlas Venture Associates Opportunity I, L.P.
CENTRAL INDEX KEY: 0001780065
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 3
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 201026065
BUSINESS ADDRESS:
STREET 1: 400 TECHNOLOGY SQUARE
STREET 2: 10TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
BUSINESS PHONE: 857-201-2700
MAIL ADDRESS:
STREET 1: 400 TECHNOLOGY SQUARE
STREET 2: 10TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Atlas Venture Associates Opportunity I, LLC
CENTRAL INDEX KEY: 0001780066
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 3
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38541
FILM NUMBER: 201026066
BUSINESS ADDRESS:
STREET 1: 400 TECHNOLOGY SQUARE
STREET 2: 10TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
BUSINESS PHONE: 857-201-2700
MAIL ADDRESS:
STREET 1: 400 TECHNOLOGY SQUARE
STREET 2: 10TH FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
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
3
1
doc3.xml
FORM 3 SUBMISSION
X0206
3
2020-06-29
0
0001690585
Magenta Therapeutics, Inc.
MGTA
0001759241
Atlas Venture Opportunity Fund I, L.P.
400 TECHNOLOGY SQUARE
10TH FLOOR
CAMBRIDGE
MA
02139
0
0
0
1
See remarks
0001780065
Atlas Venture Associates Opportunity I, L.P.
400 TECHNOLOGY SQUARE
10TH FLOOR
CAMBRIDGE
MA
02139
0
0
0
1
See remarks
0001780066
Atlas Venture Associates Opportunity I, LLC
400 TECHNOLOGY SQUARE
10TH FLOOR
CAMBRIDGE
MA
0
0
0
1
See remarks
Common Stock
1250000
D
The shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.
The reporting persons purchased the common stock reported herein in an underwritten public offering on June 29, 2020. The reporting persons are under common control with Atlas Venture Fund X, L.P., which, together with the reporting persons, collectively beneficially own more than 10% of the Issuer's outstanding common stock, and as a result the reporting persons and Atlas Venture Fund X, L.P. may be deemed to be members of a group. However, the reporting persons disclaim such group membership, and this report shall not be deemed an admission that the reporting persons are members of a group that owns more than 10% of the outstanding common stock for purposes of Section 16 or for any other purpose.
Atlas Venture Opportunity Fund I, L.P., By: Atlas Venture Associates Opportunity I, L.P., its general partner, By: Atlas Venture Associates Opportunity I, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan
2020-07-13
Atlas Venture Associates Opportunity I, L.P., By: Atlas Venture Associates Opportunity I, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan
2020-07-13
Atlas Venture Associates Opportunity I, LLC, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan
2020-07-13