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Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001144204-18-009009
Filing Date
2018-02-14
Accepted
2018-02-14 16:58:14
Documents
1
Group Members
PETER KOLCHINSKY

Document Format Files

Seq Description Document Type Size
1 SC 13G tv485686_sc13g.htm SC 13G 49647
  Complete submission text file 0001144204-18-009009.txt   51272
Mailing Address 20 PARK PLAZA, SUITE 1200 BOSTON MA 02116
Business Address 20 PARK PLAZA, SUITE 1200 BOSTON MA 02116 617-778-2500
RA CAPITAL MANAGEMENT, LLC (Filed by) CIK: 0001346824 (see all company filings)

IRS No.: 830406777 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G

Mailing Address 675 MASSACHUSETTS AVENUE 14TH FLOOR CAMBRIDGE MA 02139
Business Address 675 MASSACHUSETTS AVENUE 14TH FLOOR CAMBRIDGE MA 02139 857-242-1600
Spero Therapeutics, Inc. (Subject) CIK: 0001701108 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-90168 | Film No.: 18613246
SIC: 2834 Pharmaceutical Preparations