Form4insider filings, from the source

Company · CIK 0000749251 · SIC 8741 — Services-Management Services · NYSE

GARTNER INC · IT

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.4M · 5net −$1.4M
$10k$10k$100k$100k$1M$1MbuyssalesMar 27Apr 26May 27Jun 27Jul 28Aug 27Sep 27

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 GForm 4 →Sep 15, 4:32 pm EDTWilliam O GrabeDirector672——1,896—
Aug 31, 2026 JForm 4 →Sep 2, 4:28 pm EDTRobin B KranichEVP & CHRO31$188.20$5,83420,389—
Aug 31, 2026 JForm 4 →Sep 2, 4:25 pm EDTEugene A HallChairman and CEO, Director31$188.20$5,8341,188,228—
Aug 31, 2026 JForm 4 →Sep 2, 4:22 pm EDTCraig SafianEVP & CFO18$188.20$3,38883,090—
Aug 31, 2026 JForm 4 →Sep 2, 4:16 pm EDTAltaf RupaniEVP, Chief Information Officer19$188.20$3,5761,199—
Aug 27, 2026 SForm 4 →Aug 31, 4:06 pm EDTRobin B KranichEVP & CHRO3,278$196.50$644,12720,358−13.9%
Aug 24, 2026 SForm 4 →Aug 26, 4:09 pm EDTAkhil JainEVP, Consulting700$201.73$141,2118,130−7.93%
Aug 10, 2026 SForm 4 →Aug 12, 4:15 pm EDTYvonne GenoveseEVP, Bus. & Tech. Insights1,205$190.06$229,0226,208−16.3%
Aug 7, 2026 SForm 4 →Aug 11, 4:15 pm EDTAnne Sutherland FuchsDirector860$184.30$158,5008,097−9.60%
Aug 7, 2026 SForm 4 →Aug 11, 4:14 pm EDTClaire HerkesEVP, Conferences1,039$190.71$198,1485,252−16.5%
Jul 1, 2026 JForm 4 →Jul 6, 4:16 pm EDTStephen G PagliucaDirector187——112,602—
Jul 1, 2026 JForm 4 →Jul 6, 4:15 pm EDTJose M GutierrezDirector112——2,951—
Jul 1, 2026 JForm 4 →Jul 6, 4:15 pm EDTWilliam O GrabeDirector182——1,224—
Jul 1, 2026 JForm 4 →Jul 6, 4:13 pm EDTAnne Sutherland FuchsDirector100——8,957—
Jul 1, 2026 JForm 4 →Jul 6, 4:12 pm EDTDiana Sue FergusonDirector201——2,807—
Jul 1, 2026 JForm 4 →Jul 6, 4:11 pm EDTRaul E CesanDirector187——54,083—
Jun 30, 2026 FMForm 4 →Jul 1, 4:10 pm EDTJohn J RinelloEVP, Global Business Sales93$129.62$2,8523,724—
Jun 8, 2026 MForm 4 →Jun 10, 4:15 pm EDTEileen SerraDirector1,744——4,076—
Jun 1, 2026 MForm 4 →Jun 3, 4:15 pm EDTEileen SerraDirector705——2,332—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 1, 2026 AForm 4 →Jul 6, 4:21 pm EDTKaren E DykstraDirector138$133.76$18,459646—
Jul 1, 2026 AForm 4 →Jul 6, 4:18 pm EDTEileen SerraDirector215$133.76$28,7583,362—
Jul 1, 2026 AForm 4 →Jul 6, 4:17 pm EDTDaniela L RusDirector182$133.76$24,344290—
Jul 1, 2026 AJForm 4 →Jul 6, 4:16 pm EDTStephen G PagliucaDirector374$133.76$25,0131,668—
Jul 1, 2026 AJForm 4 →Jul 6, 4:15 pm EDTJose M GutierrezDirector224$133.76$14,981226—
Jul 1, 2026 AJForm 4 →Jul 6, 4:15 pm EDTWilliam O GrabeDirector364$133.76$24,34447,197—
Jul 1, 2026 AJForm 4 →Jul 6, 4:13 pm EDTAnne Sutherland FuchsDirector200$133.76$13,37629,577—
Jul 1, 2026 AJForm 4 →Jul 6, 4:12 pm EDTDiana Sue FergusonDirector402$133.76$26,88681—
Jul 1, 2026 AJForm 4 →Jul 6, 4:11 pm EDTRaul E CesanDirector374$133.76$25,0131,063—
Jul 1, 2026 AForm 4 →Jul 6, 4:10 pm EDTRichard J BresslerDirector196$133.76$26,21721,559—
Jul 1, 2026 AForm 4 →Jul 6, 4:09 pm EDTEdward Peter BousaDirector196$133.76$26,217313—
Jul 1, 2026 AForm 4 →Jul 6, 4:08 pm EDTPeter BissonDirector196$133.76$26,2174,053—
Jun 30, 2026 MForm 4 →Jul 1, 4:10 pm EDTJohn J RinelloEVP, Global Business Sales71——71—
Jun 8, 2026 MForm 4 →Jun 10, 4:15 pm EDTEileen SerraDirector1,744——0—
Jun 1, 2026 MForm 4 →Jun 3, 4:15 pm EDTEileen SerraDirector705——0—