EX-31.1 6 it-12312025xex311.htm EX-31.1 Document Exhibit 31.1 CERTIFICATION I, Eugene A. Hall, certify that (1) I have reviewed this Annual Report on Form 10-K of Gartner, Inc. (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 to the period covered by this report (3) Based on my knowl...
Q2 FY2026 — expected 2026-09-15
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-02-12 | 2025-12-31 | 0000749251-26-000112 | EDGAR | 51K words |
| 2025-02-13 | 2024-12-31 | 0000749251-25-000008 | EDGAR | — |
| 2024-02-15 | 2023-12-31 | 0000749251-24-000006 | EDGAR | — |
| 2023-02-16 | 2022-12-31 | 0000749251-23-000006 | EDGAR | — |
| 2022-02-23 | 2021-12-31 | 0000749251-22-000006 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2025-11-04 | 2025-09-30 | 0000749251-25-000082 | EDGAR | 24K words |
| 2025-08-05 | 2025-06-30 | 0000749251-25-000046 | EDGAR | — |
| 2025-05-06 | 2025-03-31 | 0000749251-25-000028 | EDGAR | — |
| 2024-11-05 | 2024-09-30 | 0000749251-24-000041 | EDGAR | — |
| 2024-07-30 | 2024-06-30 | 0000749251-24-000035 | EDGAR | — |
| 2024-04-30 | 2024-03-31 | 0000749251-24-000024 | EDGAR | — |
| 2023-11-03 | 2023-09-30 | 0000749251-23-000052 | EDGAR | — |
| 2023-08-01 | 2023-06-30 | 0000749251-23-000039 | EDGAR | — |
| 2023-05-02 | 2023-03-31 | 0000749251-23-000021 | EDGAR | — |
| 2022-11-01 | 2022-09-30 | 0000749251-22-000035 | EDGAR | — |
| 2022-08-02 | 2022-06-30 | 0000749251-22-000029 | EDGAR | — |
| 2022-05-03 | 2022-03-31 | 0000749251-22-000018 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-02-03 | 0000749251-26-000028 | EDGAR | 4K words |
| 2026-01-29 | 0000749251-26-000025 | EDGAR | — |
| 2025-11-20 | 0001193125-25-289854 | EDGAR | — |
| 2025-11-04 | 0000749251-25-000080 | EDGAR | — |
| 2025-09-12 | 0000749251-25-000048 | EDGAR | — |
| 2025-08-05 | 0000749251-25-000044 | EDGAR | — |
| 2025-06-03 | 0000749251-25-000035 | EDGAR | — |
| 2025-05-06 | 0000749251-25-000026 | EDGAR | — |
| 2025-02-04 | 0000749251-25-000005 | EDGAR | — |
| 2025-01-07 | 0000749251-25-000002 | EDGAR | — |
59 total filings indexed. 32 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0000749251 |
| Ticker | IT |
| Exchange | NYSE |
| SIC | 8741: Services-Management Services |
| Incorporated | DE |
| Website | https://www.gartner.com |
| Listed | 1993-10-29 |
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