# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001664710-26-000018
Filing Date
2026-03-04
Accepted
2026-03-04 16:04:04
Documents
114
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | kros-20251231.htm iXBRL | 10-K | 1971798
2 | EX-4.4 | exhibit4410-kfy2025.htm | EX-4.4 | 40596
3 | EX-10.7 | exhibit107.htm | EX-10.7 | 23161
4 | EX-10.24 | exhibit1024.htm | EX-10.24 | 53906
5 | EX-10.27 | exhibit1027.htm | EX-10.27 | 13995
6 | EX-21.1 | exhibit21110-kfy2025.htm | EX-21.1 | 3763
7 | EX-23.1 | exhibit23110-kfy2025.htm | EX-23.1 | 2043
8 | EX-31.1 | exhibit31110-kfy2025.htm | EX-31.1 | 18825
9 | EX-31.2 | exhibit31210-kfy2025.htm | EX-31.2 | 18706
10 | EX-32.1 | exhibit32110-kfy2025.htm | EX-32.1 | 10694
16 |  | kros-20251231_g1.jpg | GRAPHIC | 77499
17 |  | kros-20251231_g10.jpg | GRAPHIC | 59047
18 |  | kros-20251231_g11.jpg | GRAPHIC | 53667
19 |  | kros-20251231_g12.jpg | GRAPHIC | 61772
20 |  | kros-20251231_g13.jpg | GRAPHIC | 69758
21 |  | kros-20251231_g14.jpg | GRAPHIC | 238848
22 |  | kros-20251231_g15.jpg | GRAPHIC | 423352
23 |  | kros-20251231_g2.jpg | GRAPHIC | 58860
24 |  | kros-20251231_g3.jpg | GRAPHIC | 33077
25 |  | kros-20251231_g4.jpg | GRAPHIC | 102965
26 |  | kros-20251231_g5.jpg | GRAPHIC | 225833
27 |  | kros-20251231_g6.jpg | GRAPHIC | 107383
28 |  | kros-20251231_g7.jpg | GRAPHIC | 98699
29 |  | kros-20251231_g8.jpg | GRAPHIC | 72262
30 |  | kros-20251231_g9.jpg | GRAPHIC | 86253
| Complete submission text file | 0001664710-26-000018.txt |  | 13514623

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
11 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | kros-20251231.xsd | EX-101.SCH | 62417
12 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | kros-20251231_cal.xml | EX-101.CAL | 97805
13 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | kros-20251231_def.xml | EX-101.DEF | 356606
14 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | kros-20251231_lab.xml | EX-101.LAB | 794833
15 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | kros-20251231_pre.xml | EX-101.PRE | 562017
117 | EXTRACTED XBRL INSTANCE DOCUMENT | kros-20251231_htm.xml | XML | 993626

Mailing Address 1050 WALTHAM STREET, SUITE 302 LEXINGTON MA 02421
Business Address 1050 WALTHAM STREET, SUITE 302 LEXINGTON MA 02421 617-314-6297
Keros Therapeutics, Inc. (Filer) CIK: 0001664710 (see all company filings)

EIN.: 811173868 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-39264 | Film No.: 26721108
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)