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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-22-005194
Filing Date
2022-03-31
Accepted
2022-03-31 16:02:37
Documents
99
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K spro-20211231.htm   iXBRL 10-K 5249081
2 EX-4.3 spro-ex4_3.htm EX-4.3 20476
3 EX-10.7 spro-ex10_7.htm EX-10.7 43378
4 EX-23.1 spro-ex23_1.htm EX-23.1 4993
5 EX-31.1 spro-ex31_1.htm EX-31.1 11987
6 EX-31.2 spro-ex31_2.htm EX-31.2 12005
7 EX-32 spro-ex32.htm EX-32 13081
8 GRAPHIC img160245199_0.jpg GRAPHIC 115236
9 GRAPHIC img160245199_1.jpg GRAPHIC 28785
10 GRAPHIC img160245199_2.jpg GRAPHIC 30670
  Complete submission text file 0000950170-22-005194.txt   16531884

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT spro-20211231_lab.xml EX-101.LAB 738268
12 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT spro-20211231.xsd EX-101.SCH 103779
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT spro-20211231_cal.xml EX-101.CAL 65259
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT spro-20211231_def.xml EX-101.DEF 397873
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT spro-20211231_pre.xml EX-101.PRE 595842
93 EXTRACTED XBRL INSTANCE DOCUMENT spro-20211231_htm.xml XML 2754583
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: 10-K | Act: 34 | File No.: 001-38266 | Film No.: 22792316
SIC: 2834 Pharmaceutical Preparations
Office of Life Sciences