SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-20-259653
Filing Date
2020-09-30
Accepted
2020-09-30 16:23:59
Documents
5
Period of Report
2020-10-27
Effectiveness Date
2020-09-30

Document Format Files

Seq Description Document Type Size
1 DEF 14A d54363ddef14a.htm DEF 14A 368141
2 GRAPHIC g54363g02l56.jpg GRAPHIC 33906
3 GRAPHIC g54363g25f08.jpg GRAPHIC 33923
4 GRAPHIC g54363g88p80.jpg GRAPHIC 270189
5 GRAPHIC g54363g89h86.jpg GRAPHIC 192054
  Complete submission text file 0001193125-20-259653.txt   1088938
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: DEF 14A | Act: 34 | File No.: 001-38266 | Film No.: 201212502
SIC: 2834 Pharmaceutical Preparations