# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001514416-26-000017
Filing Date
2026-02-19
Accepted
2026-02-19 07:39:24
Documents
115
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | band-20251231.htm iXBRL | 10-K | 2509783
2 | EX-4.1 | q42025exh41descriptionofca.htm | EX-4.1 | 25942
3 | EX-21.1 | q42025exh211listofsubsidia.htm | EX-21.1 | 5476
4 | EX-23.1 | q42025exh231auditorconsent.htm | EX-23.1 | 4410
5 | EX-31.1 | q42025ex311ceocertification.htm | EX-31.1 | 11037
6 | EX-31.2 | q42025ex312cfocertification.htm | EX-31.2 | 11102
7 | EX-32.1 | q42025ex321ceoandcfocertif.htm | EX-32.1 | 7127
13 |  | band-20251231_g1.jpg | GRAPHIC | 140291
| Complete submission text file | 0001514416-26-000017.txt |  | 12343033

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | band-20251231.xsd | EX-101.SCH | 65543
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | band-20251231_cal.xml | EX-101.CAL | 137229
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | band-20251231_def.xml | EX-101.DEF | 395265
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | band-20251231_lab.xml | EX-101.LAB | 879619
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | band-20251231_pre.xml | EX-101.PRE | 673643
118 | EXTRACTED XBRL INSTANCE DOCUMENT | band-20251231_htm.xml | XML | 1781253

Mailing Address 2230 BANDMATE WAY RALEIGH NC 27607
Business Address 2230 BANDMATE WAY RALEIGH NC 27607 800-808-5150
Bandwidth Inc. (Filer) CIK: 0001514416 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38285 | Film No.: 26651521
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)