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Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000895345-17-000338
Filing Date
2017-11-15
Accepted
2017-11-15 16:47:32
Documents
2
Group Members
MERCK SHARP & DOHME CORP.MRL VENTURES FUND LLC

Document Format Files

Seq Description Document Type Size
1 jb13g-spero_merck.htm SC 13G 125840
2 jb13gmerck-ex99_1.htm EX-99.1 8146
  Complete submission text file 0000895345-17-000338.txt   135919
Mailing Address 2000 GALLOPING HILL ROAD KENILWORTH NJ 07033
Business Address 2000 GALLOPING HILL ROAD KENILWORTH NJ 07033 908-740-4000
Merck & Co., Inc. (Filed by) CIK: 0000310158 (see all company filings)

IRS No.: 221918501 | State of Incorp.: NJ | Fiscal Year End: 1231
Type: SC 13G
SIC: 2834 Pharmaceutical Preparations

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.: 171205694
SIC: 2834 Pharmaceutical Preparations