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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000950170-23-064185
Filing Date
2023-11-15
Accepted
2023-11-15 16:15:04
Documents
2
Period of Report
2023-11-06

Document Format Files

Seq Description Document Type Size
1 3 ownership.html 3  
1 3 ownership.xml 3 1670
2 EX-24.1 spro-ex24_1.htm EX-24.1 14187
  Complete submission text file 0000950170-23-064185.txt   17310
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)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 26 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
Rajavelu Esther (Reporting) CIK: 0001903716 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38266 | Film No.: 231410750