Gartner's top three insider shareholders as of March 23, 2026 are Eugene A Hall (Chairman And Ceo, 1.19Mn shares), James C Smith (Director, 509.46K shares), Stephen G Pagliuca (Director, 111.71K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Eugene A Hall | Chairman And Ceo | 1,188,159 | 0 | 03 Mar, 2026 |
| James C Smith | 509,457 | 0 | 27 Nov, 2024 | |
| Stephen G Pagliuca | 111,708 | 0 | 06 Jan, 2026 | |
| Craig Safian | Evp Cfo | 83,050 | 0 | 03 Mar, 2026 |
| Scott Hensel | Evp Global Services Delivery | 25,986 | 0 | 11 Feb, 2026 |
| Robin B Kranich | Evp Chro | 23,598 | 0 | 03 Mar, 2026 |
| Valentin Sribar | Evp, Research Advisory | 12,992 | 0 | 12 Feb, 2025 |
| Michael P Harris | Evp, Research Advisory | 9,280 | 0 | 01 Sep, 2021 |
| William James Iii Wartinbee | Evp, Global Salesserv Ops | 8,983 | 0 | 11 Feb, 2026 |
| Akhil Jain | Evp, Consulting | 8,830 | 0 | 11 Feb, 2026 |
| Yvonne Genovese | Evp, Bus. Tech. Insights | 7,413 | 0 | 11 Feb, 2026 |
| Claire Herkes | Evp, Conferences | 6,291 | 0 | 11 Feb, 2026 |
| Jules Kaufman | Evp, Gc | 4,685 | 0 | 02 Sep, 2022 |
| Jules Kaufman | Evp, Gc | 0 | 4,556 | 06 Dec, 2021 |
| John J Rinello | Svp, Global Business Sales | 3,675 | 0 | 11 Feb, 2026 |
| Thomas Sang Kim | Evp, Chief Legal Officer | 2,918 | 0 | 10 Feb, 2026 |
| Jose M Gutierrez | 2,191 | 0 | 06 Jan, 2026 | |
| William O Grabe | 334 | 1,410 | 13 Mar, 2026 | |
| Eileen Serra | 1,627 | 0 | 26 Feb, 2025 | |
| Altaf Rupani | Evp, Chief Information Officer | 1,157 | 0 | 03 Mar, 2026 |
| Ham Dick Van | Svp, Global Technology Sales | 864 | 0 | 03 Mar, 2026 |
| Eileen Serra | 0 | 700 | 10 May, 2022 | |
| John J Rinello | Svp, Global Business Sales | 0 | 50 | 09 Feb, 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 |
|---|---|---|---|---|---|---|---|---|
| 11 Mar, 2026 | William O Grabe | Common Stock | D | 2,100 | $160.01 | 47,900 | I | J |
| 11 Mar, 2026 | William O Grabe | Common Stock | A | 2,100 | $160.01 | 2,214 | D | J |
| 11 Mar, 2026 | William O Grabe | Common Stock | D | 235 | $0.00 | 1,979 | D | G |
| 11 Mar, 2026 | William O Grabe | Common Stock | A | 235 | $0.00 | 235 | I | G |
| 11 Mar, 2026 | William O Grabe | Common Stock | D | 235 | $0.00 | 1,744 | D | G |
| 11 Mar, 2026 | William O Grabe | Common Stock | A | 235 | $0.00 | 235 | I | G |
| 11 Mar, 2026 | William O Grabe | Common Stock | D | 1,410 | $0.00 | 334 | D | G |
| 11 Mar, 2026 | William O Grabe | Common Stock | A | 1,410 | $0.00 | 1,410 | I | G |
| 27 Feb, 2026 | Craig Safian | Common Stock | A | 39 | $149.34 | 83,050 | D | J |
| 27 Feb, 2026 | Robin B Kranich | Common Stock | A | 39 | $149.34 | 23,598 | D | J |
| 27 Feb, 2026 | Ham Dick Van | Common Stock | A | 39 | $149.34 | 864 | D | J |
| 27 Feb, 2026 | Altaf Rupani | Common Stock | A | 39 | $149.34 | 1,157 | D | J |
| 27 Feb, 2026 | Eugene A Hall | Common Stock | A | 39 | $149.34 | 1,188,159 | D | J |
| 17 Feb, 2026 | Daniela L Rus | Restricted Stock Units | A | 507 | $0.00 | 507 | D | A |
| 09 Feb, 2026 | Robin B Kranich | Common Stock | A | 1,601 | $0.00 | 23,347 | D | M |
| 09 Feb, 2026 | Akhil Jain | Common Stock | A | 976 | $0.00 | 8,487 | D | M |
| 09 Feb, 2026 | Scott Hensel | Common Stock | A | 1,601 | $0.00 | 25,579 | D | M |
| 09 Feb, 2026 | John J Rinello | Common Stock | A | 194 | $0.00 | 3,573 | D | M |
| 09 Feb, 2026 | Eugene A Hall | Common Stock | A | 9,195 | $0.00 | 1,187,268 | D | M |
| 09 Feb, 2026 | Claire Herkes | Common Stock | A | 976 | $0.00 | 5,985 | D | M |