Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-17-025137
Filing Date
2017-11-01
Accepted
2017-11-01 19:29:57
Documents
2
Period of Report
2017-11-01

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 11453
2 EX-24.1 DOCUMENT attachment1.htm EX-24.1 3837
  Complete submission text file 0000899243-17-025137.txt   16843
Mailing Address C/O ATLAS VENTURE 890 WINTER STREET WALTHAM MA 02451
Business Address
FORMELA JEAN FRANCOIS (Reporting) CIK: 0001030575 (see all company filings)

State of Incorp.: MA | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38266 | Film No.: 171170326

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. (Issuer) CIK: 0001701108 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations