According to recent filings covering the 90 days ending February 06, 2026, the three most significant insider holders at Gartner are Chairman And Ceo Eugene A Hall (1.17Mn shares), Director James C Smith (509.46K shares), Director Stephen G Pagliuca (111.71K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Eugene A Hall | Chairman And Ceo | 1,170,307 | 02 Dec, 2025 |
| James C Smith | 509,457 | 27 Nov, 2024 | |
| Stephen G Pagliuca | 111,708 | 06 Jan, 2026 | |
| Craig Safian | Evp & Cfo | 77,928 | 02 Dec, 2025 |
| Raul E Cesan | 59,183 | 06 Jan, 2026 | |
| Alwyn Dawkins | Evp And Global Business Sales | 52,674 | 03 Dec, 2024 |
| Scott Hensel | Evp Global Services & Delivery | 22,605 | 22 May, 2025 |
| Robin B Kranich | Evp & Chro | 20,528 | 02 Dec, 2025 |
| Michael Patrick Diliberto | Evp And Chief Information Officer | 18,501 | 25 Aug, 2023 |
| Karen E Dykstra | 17,000 | 10 Jun, 2025 | |
| Valentin Sribar | Evp And Research & Advisory | 12,992 | 12 Feb, 2025 |
| Kenneth Allard | Evp And Digital Markets | 12,340 | 12 Feb, 2025 |
| Richard J Bressler | 11,871 | 20 Nov, 2023 | |
| Joseph P. Beck | Evp And Global Technology Sales | 9,955 | 12 Nov, 2024 |
| Michael P Harris | Evp And Research & Advisory | 9,280 | 01 Sep, 2021 |
| Jules Kaufman | Evp And Gc | 9,241 | 02 Sep, 2022 |
| Anne Sutherland Fuchs | 8,219 | 06 Jan, 2026 | |
| William James Iii Wartinbee | Evp And Global Sales Strat & Ops | 7,919 | 17 Dec, 2025 |
| Akhil Jain | Evp And Consulting | 6,548 | 21 May, 2025 |
| Yvonne Genovese | Evp And Research & Advisory | 4,889 | 03 Mar, 2025 |
| Claire Herkes | Evp And Conferences | 4,074 | 05 Dec, 2025 |
| John J Rinello | Svp And Global Business Sales | 3,046 | 05 Dec, 2025 |
| Diana Sue Ferguson | 2,432 | 06 Jan, 2026 | |
| Eileen Serra | 2,327 | 26 Feb, 2025 | |
| Jose M Gutierrez | 2,191 | 06 Jan, 2026 | |
| Thomas Sang Kim | Evp And Chief Legal Officer | 1,861 | 06 May, 2025 |
| Altaf Rupani | Evp And Chief Information Officer | 559 | 02 Dec, 2025 |
| Ham Dick Van | Svp And Global Technology Sales | 362 | 02 Dec, 2025 |
| William O Grabe | 114 | 06 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Jan, 2026 | Raul E Cesan | Common Stock | A | 105 | $0.00 | 30,283 | D | J |
| 02 Jan, 2026 | William O Grabe | Common Stock | A | 109 | $0.00 | 114 | D | J |
| 02 Jan, 2026 | Stephen G Pagliuca | Common Stock | A | 95 | $0.00 | 111,708 | D | J |
| 02 Jan, 2026 | Anne Sutherland Fuchs | Common Stock | A | 61 | $0.00 | 8,219 | D | J |
| 02 Jan, 2026 | Jose M Gutierrez | Common Stock | A | 59 | $0.00 | 2,191 | D | J |
| 02 Jan, 2026 | Diana Sue Ferguson | Common Stock | A | 108 | $0.00 | 2,432 | D | J |
| 15 Dec, 2025 | William James Iii Wartinbee | - | - | 7,919 | D | |||
| 15 Dec, 2025 | William James Iii Wartinbee | Common Stock | D | 46 | $0.00 | 7,919 | D | G |
| 11 Dec, 2025 | William O Grabe | Common Stock | D | 4,131 | $0.00 | 5 | D | G |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 4,593 | $230.09 | 94,196 | D | P |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 5,773 | $227.22 | 75,621 | D | P |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 9,859 | $231.12 | 104,055 | D | P |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 5,496 | $227.84 | 81,117 | D | P |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 8,486 | $228.91 | 89,603 | D | P |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 7,558 | $231.75 | 111,613 | D | P |
| 10 Dec, 2025 | Stephen G Pagliuca | Common Stock | A | 1,535 | $225.98 | 69,848 | D | P |
| 03 Dec, 2025 | Claire Herkes | Common Stock | D | 367 | $231.56 | 4,074 | D | S |
| 03 Dec, 2025 | John J Rinello | Common Stock | D | 220 | $229.57 | 3,046 | D | S |
| 03 Dec, 2025 | John J Rinello | - | - | 3,046 | D | |||
| 28 Nov, 2025 | Eugene A Hall | Common Stock | A | 26 | $221.10 | 1,170,307 | D | J |