| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ARMSTRONG ALAN S | Director | ONE WILLIAMS CENTER, TULSA | /s/ Tamara R. Sloan, Power of Attorney | 16 Jul 2025 | 0001208475 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BOKF | Common Stock | Award | $19,951 | +207 | +6% | $96.38 | 3,656 | 14 Jul 2025 | Direct | |
| holding | BOKF | Common Stock | 1,500 | 14 Jul 2025 | CCJG Investments, LLC |