# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001193125-25-280518
Filing Date
2025-11-13
Accepted
2025-11-13 17:18:44
Documents
34
Period of Report
2025-11-13
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | d44321d8k.htm iXBRL | 8-K | 28009
2 | EX-99.1 | d44321dex991.htm | EX-99.1 | 56704
3 | EX-99.2 | d44321dex992.htm | EX-99.2 | 28720
7 | GRAPHIC | g44321ex99_2p10g1.jpg | GRAPHIC | 424519
8 | GRAPHIC | g44321ex99_2p11g1.jpg | GRAPHIC | 291959
9 | GRAPHIC | g44321ex99_2p12g1.jpg | GRAPHIC | 424311
10 | GRAPHIC | g44321ex99_2p13g1.jpg | GRAPHIC | 323227
11 | GRAPHIC | g44321ex99_2p14g1.jpg | GRAPHIC | 263374
12 | GRAPHIC | g44321ex99_2p15g1.jpg | GRAPHIC | 217098
13 | GRAPHIC | g44321ex99_2p16g1.jpg | GRAPHIC | 342636
14 | GRAPHIC | g44321ex99_2p17g1.jpg | GRAPHIC | 322068
15 | GRAPHIC | g44321ex99_2p18g1.jpg | GRAPHIC | 310065
16 | GRAPHIC | g44321ex99_2p19g1.jpg | GRAPHIC | 285654
17 | GRAPHIC | g44321ex99_2p1g1.jpg | GRAPHIC | 234866
18 | GRAPHIC | g44321ex99_2p20g1.jpg | GRAPHIC | 190309
19 | GRAPHIC | g44321ex99_2p2g1.jpg | GRAPHIC | 641127
20 | GRAPHIC | g44321ex99_2p3g1.jpg | GRAPHIC | 294055
21 | GRAPHIC | g44321ex99_2p4g1.jpg | GRAPHIC | 247454
22 | GRAPHIC | g44321ex99_2p5g1.jpg | GRAPHIC | 297238
23 | GRAPHIC | g44321ex99_2p6g1.jpg | GRAPHIC | 277727
24 | GRAPHIC | g44321ex99_2p7g1.jpg | GRAPHIC | 315095
25 | GRAPHIC | g44321ex99_2p8g1.jpg | GRAPHIC | 325317
26 | GRAPHIC | g44321ex99_2p9g1.jpg | GRAPHIC | 372519
| Complete submission text file | 0001193125-25-280518.txt |  | 9066447

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA | spro-20251113.xsd | EX-101.SCH | 2867
5 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | spro-20251113_lab.xml | EX-101.LAB | 17993
6 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | spro-20251113_pre.xml | EX-101.PRE | 11272
37 | EXTRACTED XBRL INSTANCE DOCUMENT | d44321d8k_htm.xml | XML | 3671

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: 8-K | Act: 34 | File No.: 001-38266 | Film No.: 251479793
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)