Mailing Address
55 EAST 52ND STREET
NEW YORK NY 10055
Business Address
55 EAST 52ND STREET
NEW YORK NY 10055
212-810-5300
BlackRock Inc. (Filed by)
CIK: 0001364742 (see all company filings)
IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies
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/A | Act: 34 | File No.: 005-90168 | Film No.: 22588786
SIC: 2834 Pharmaceutical Preparations
