SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001193125-24-097774
Filing Date
2024-04-16
Accepted
2024-04-16 16:19:50
Documents
1
Period of Report
2023-12-31
Effectiveness Date
2024-04-16

Document Format Files

Seq Description Document Type Size
1 ARS d774972dars.pdf ARS 869656
  Complete submission text file 0001193125-24-097774.txt   1199284
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. (Filer) CIK: 0001701108 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: ARS | Act: 34 | File No.: 001-38266 | Film No.: 24848062
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)