SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001144204-19-030464
Filing Date
2019-06-10
Accepted
2019-06-10 16:38:36
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G tv523360_sc13g.htm SC 13G 49349
  Complete submission text file 0001144204-19-030464.txt   50918
Mailing Address 475 10TH AVENUE NEW YORK NY 10018
Business Address 475 10TH AVENUE NEW YORK NY 10018 2127652500
GILDER GAGNON HOWE & CO LLC (Filed by) CIK: 0000902464 (see all company filings)

IRS No.: 133174112 | State of Incorp.: NY | Fiscal Year End: 1231
Type: SC 13G

Mailing Address 100 TECHNOLOGY SQUARE 5TH FLOOR CAMBRIDGE MA 02139
Business Address 100 TECHNOLOGY SQUARE 5TH FLOOR CAMBRIDGE MA 02139 857-201-2700
Magenta Therapeutics, Inc. (Subject) CIK: 0001690585 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-90538 | Film No.: 19888953
SIC: 2834 Pharmaceutical Preparations