# Filing Detail

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)

EIN.: 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