Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-20-011244
Filing Date
2020-04-23
Accepted
2020-04-23 17:39:44
Documents
2
Period of Report
2020-04-16

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 1553
2 EX-24.1 DOCUMENT attachment1.htm EX-24.1 4037
  Complete submission text file 0000899243-20-011244.txt   7060
Mailing Address 303B COLLEGE ROAD EAST PRINCETON NJ 08540
Business Address
Jackson Scott Thomas (Reporting) CIK: 0001566617 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38266 | Film No.: 20812001

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