Gartner Inc (IT) Insider Ownership

Historic Ownership Trends

Based on data from the past 90 days ending December 31, 2025, Gartner's three largest insider shareholders are Chairman And Ceo Eugene A Hall (1.17Mn shares), Director Stephen G Pagliuca (111.61K shares), Evp & Cfo Craig Safian (77.93K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
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 111,613 12 Dec, 2025
Craig Safian Evp & Cfo 77,928 02 Dec, 2025
Raul E Cesan 59,078 03 Oct, 2025
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 8,158 03 Oct, 2025
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
Eileen Serra 2,327 26 Feb, 2025
Diana Sue Ferguson 2,324 03 Oct, 2025
Jose M Gutierrez 2,132 03 Oct, 2025
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 5 12 Dec, 2025

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
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 1,535 $225.98 69,848 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 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 4,593 $230.09 94,196 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 7,558 $231.75 111,613 D P
03 Dec, 2025 John J Rinello Common Stock D 220 $229.57 3,046 D S
03 Dec, 2025 Claire Herkes Common Stock D 367 $231.56 4,074 D S
28 Nov, 2025 Ham Dick Van Common Stock A 26 $221.10 362 D J
28 Nov, 2025 Eugene A Hall Common Stock A 26 $221.10 1,170,307 D J
28 Nov, 2025 Altaf Rupani Common Stock A 20 $221.10 559 D J
28 Nov, 2025 Claire Herkes Common Stock A 3,052 $180.64 7,126 D M
28 Nov, 2025 Robin B Kranich Common Stock A 26 $221.10 20,528 D J
28 Nov, 2025 Craig Safian Common Stock A 15 $221.10 77,928 D J
28 Nov, 2025 Claire Herkes Common Stock D 2,369 $232.74 4,757 D D
28 Nov, 2025 Claire Herkes Common Stock D 316 $232.74 4,441 D F
15 Oct, 2025 Altaf Rupani Common Stock A 166 $0.00 600 D M