IT - Company ID 0000749251
GARTNER INC has filed 4,159 public company documents between 1996 and 2026. The most frequent type is insider trade (3,146 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| SCHEDULE 13G/A | SCHEDULE 13G/A | 8mo ago2025-11-14 | - | View filing |
| 424B5 | Prospectus supplement | 8mo ago2025-11-13 | - | View filing |
| S-3ASR | S-3ASR | 8mo ago2025-11-12 | - | View filing |
| 10-Q | Quarterly report | 8mo ago2025-11-04 | 2025-09-30 | View filing |
| 8-K | Major company event | 8mo ago2025-11-04 | 2025-11-04 | View filing |
| 4 | Insider trade | 8mo ago2025-10-17 | 2025-10-15 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 4 | Insider trade | 9mo ago2025-09-17 | 2025-09-15 | View filing |
| 4 | Insider trade | 9mo ago2025-09-17 | 2025-09-15 | View filing |
| 8-K | Major company event | 10mo ago2025-09-12 | 2025-09-10 | View filing |
| 4 | Insider trade | 10mo ago2025-09-03 | 2025-08-29 | View filing |
| 4 | Insider trade | 10mo ago2025-09-03 | 2025-08-29 | View filing |
| 4 | Insider trade | 10mo ago2025-09-03 | 2025-08-29 | View filing |
| 4 | Insider trade | 10mo ago2025-08-26 | 2025-08-22 | View filing |
| 144 | Insider sale notice | 10mo ago2025-08-22 | - | View filing |
| 4 | Insider trade | 10mo ago2025-08-21 | 2025-08-19 | View filing |
| 4 | Insider trade | 10mo ago2025-08-20 | 2025-08-18 | View filing |
| 4 | Insider trade | 10mo ago2025-08-18 | 2025-08-14 | View filing |
| 10-Q | Quarterly report | 11mo ago2025-08-05 | 2025-06-30 | View filing |
| 8-K | Major company event | 11mo ago2025-08-05 | 2025-07-31 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 11mo ago2025-07-29 | - | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 12mo ago2025-07-17 | - | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-01 | 2025-06-30 | View filing |
| 4 | Insider trade | 1y ago2025-06-13 | 2025-06-12 | View filing |
| 144 | Insider sale notice | 1y ago2025-06-12 | - | View filing |
| UPLOAD | SEC correspondence | 1y ago2025-06-11 | - | View filing |
| 4 | Insider trade | 1y ago2025-06-10 | 2025-06-06 | View filing |
| 4 | Insider trade | 1y ago2025-06-10 | 2025-06-06 | View filing |
| 4 | Insider trade | 1y ago2025-06-10 | 2025-06-06 | View filing |
| 4 | Insider trade | 1y ago2025-06-10 | 2025-06-06 | View filing |
| 4 | Insider trade | 1y ago2025-06-10 | 2025-06-06 | View filing |