Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000875357-26-000013
Filing Date
2026-02-18
Accepted
2026-02-18 12:35:27
Documents
133
Period of Report
2025-12-31

Document Format Files

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  Complete submission text file 0000875357-26-000013.txt   54244003

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT bokf-20251231.xsd EX-101.SCH 112662
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12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT bokf-20251231_lab.xml EX-101.LAB 1503453
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT bokf-20251231_pre.xml EX-101.PRE 1037839
135 EXTRACTED XBRL INSTANCE DOCUMENT bokf-20251231_htm.xml XML 8110613
Mailing Address BANK OF OKLAHOMA TOWER P O BOX 2300 TULSA OK 74192
Business Address BANK OF OKLAHOMA TOWER BOSTON AVENUE AT SECOND STREET TULSA OK 74172 9185886000
BOK FINANCIAL CORP (Filer) CIK: 0000875357 (see all company filings)

EIN.: 731373454 | State of Incorp.: OK | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-37811 | Film No.: 26646762
SIC: 6021 National Commercial Banks
(CF Office: 02 Finance)