EX-31.1 7 exh311certofceo10-k20251231.htm CERTIFICATION BY CEO Document EXHIBIT 31.1 CERTIFICATION Principal Executive Officer I, Harris H. Simmons, certify that 1. I have reviewed this annual report on Form 10-K of Zions Bancorporation 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect...
expected 2026-10-19
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-02-24 | 2025-12-31 | 0000109380-26-000046 | EDGAR | 91K words |
| 2025-02-25 | 2024-12-31 | 0000109380-25-000040 | EDGAR | 92K words |
| 2024-02-23 | 2023-12-31 | 0000109380-24-000061 | EDGAR | 90K words |
| 2023-02-23 | 2022-12-31 | 0000109380-23-000074 | EDGAR | — |
| 2022-02-25 | 2021-12-31 | 0000109380-22-000072 | EDGAR | — |
| 2021-02-25 | 2020-12-31 | 0000109380-21-000082 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-08-06 | 2026-06-30 | 0000109380-26-000111 | EDGAR | 52K words |
| 2025-11-06 | 2025-09-30 | 0000109380-25-000129 | EDGAR | 54K words |
| 2025-08-07 | 2025-06-30 | 0000109380-25-000102 | EDGAR | 53K words |
| 2025-05-08 | 2025-03-31 | 0000109380-25-000084 | EDGAR | 47K words |
| 2024-11-07 | 2024-09-30 | 0000109380-24-000134 | EDGAR | 52K words |
| 2024-08-07 | 2024-06-30 | 0000109380-24-000124 | EDGAR | 51K words |
| 2024-05-08 | 2024-03-31 | 0000109380-24-000108 | EDGAR | 44K words |
| 2023-11-03 | 2023-09-30 | 0000109380-23-000172 | EDGAR | 73K words |
| 2023-08-04 | 2023-06-30 | 0000109380-23-000155 | EDGAR | 72K words |
| 2023-05-05 | 2023-03-31 | 0000109380-23-000114 | EDGAR | — |
| 2022-11-03 | 2022-09-30 | 0000109380-22-000184 | EDGAR | — |
| 2022-08-04 | 2022-06-30 | 0000109380-22-000170 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-09-09 | 0000109380-26-000117 | EDGAR | 1K words |
| 2026-07-20 | 0000109380-26-000103 | EDGAR | 20K words |
| 2026-01-20 | 0000109380-26-000009 | EDGAR | 20K words |
| 2025-12-22 | 0000109380-25-000137 | EDGAR | 1K words |
| 2025-10-20 | 0000109380-25-000124 | EDGAR | 20K words |
| 2025-10-15 | 0000109380-25-000118 | EDGAR | 1K words |
| 2025-07-21 | 0000109380-25-000094 | EDGAR | 20K words |
| 2025-05-05 | 0000109380-25-000062 | EDGAR | 1K words |
| 2025-04-21 | 0000109380-25-000060 | EDGAR | 18K words |
| 2025-01-21 | 0000109380-25-000009 | EDGAR | 20K words |
78 total filings indexed. 50 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0000109380 |
| Ticker | ZION |
| Exchange | Nasdaq |
| SIC | 6021: National Commercial Banks |
| Incorporated | UT |
| Website | https://www.zionsbancorporation.com |
| Listed | 1972-06-01 |
This is a static snapshot. For live, structured JSON with cryptographic provenance chain:
MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp
Try it — paste this into your AI:
Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.
claude mcp add origin --transport http https://origin.rootz.global/mcpGET https://origin.rootz.global/api/company/ZION (~200 tokens, structured JSON with cryptographic provenance)