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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-23-052716
Filing Date
2023-10-10
Accepted
2023-10-10 17:40:04
Documents
1
Period of Report
2023-10-05

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 3150
  Complete submission text file 0000950170-23-052716.txt   4608
Mailing Address 508 WRANGLER DRIVE, SUITE 100 COPPELL TX 75019
Business Address
Smith Cynthia (Reporting) CIK: 0001609480 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38266 | Film No.: 231318929

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