Quick Takeaways
- IT - GARTNER INC has 32 insiders with reported activity on this page.
- Net insider value flow over the last year: +$3,875,932.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 32 Insiders of GARTNER INC
- Symbol
- IT on NYSE
- Location
- Stamford, CT
What Changed
- Buy value: $10,048,044; sell value: $6,172,112.
- Net share flow: +29,505.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$3,875,932.
Buys
$10,048,044
Shares: 43,767
Insiders: 3
Sells
$6,172,113
Shares: 14,262
Insiders: 9
Net
+$3,875,932
Shares: +29,505
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 50 | 0 | $7,706 | $0 | +$7,706 |
| 3-6 | 43,300 | 587 | $9,940,341 | $135,488 | +$9,804,853 |
| 6-9 | 417 | 105 | $99,997 | $26,220 | +$73,777 |
| 9-12 | 0 | 13,570 | $0 | $6,010,405 | -$6,010,405 |
GARTNER INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James C. Smith | Director | $268,884,954 | Mixed | 26 Nov 2024 | ||
| Eugene A. Hall | Chairman and CEO, Director | $177,439,665 | Mixed | 27 Feb 2026 | ||
| Stephen G. Pagliuca | Director | $28,459,138 | +$9,940,341 | +54% | Mixed | 01 Apr 2026 |
| Alwyn Dawkins | EVP, Global Business Sales | $27,616,916 | Mixed | 29 Nov 2024 | ||
| Raul E. Cesan | Director | $19,851,597 | Mixed | 01 Apr 2026 | ||
| William O Grabe | Director | $12,920,454 | Mixed | 01 Apr 2026 | ||
| Craig Safian | Evp & Cfo | $12,402,687 | -$1,537,331 | -11% | Mixed | 27 Feb 2026 |
| Michael Patrick Diliberto | EVP, Chief Information Officer | $8,423,320 | Mixed | 23 Aug 2023 | ||
| Joseph P. Beck | EVP, Global Technology Sales | $6,945,412 | Mixed | 08 Nov 2024 | ||
| Valentin Sribar | EVP, Research & Advisory | $6,871,079 | Mixed | 10 Feb 2025 | ||
| Kenneth Allard | EVP, Digital Markets | $6,526,256 | Mixed | 10 Feb 2025 | ||
| Jules Kaufman | Evp, Gc | $6,281,636 | Mixed | 31 Aug 2022 | ||
| Richard J. Bressler | Director | $5,261,465 | Mixed | 01 Apr 2026 | ||
| Michael P. Harris | EVP, Research & Advisory | $4,620,486 | Mixed | 30 Aug 2021 | ||
| Scott Hensel | EVP Global Services & Delivery | $4,151,263 | -$2,421,617 | -37% | Mixed | 09 Feb 2026 |
| Robin B. Kranich | Evp & Chro | $3,524,125 | -$322,574 | -8.4% | Mixed | 27 Feb 2026 |
| Anne Sutherland Fuchs | Director | $3,505,114 | -$270,705 | -7.2% | Mixed | 01 Apr 2026 |
| Thomas Sang Kim | EVP, Chief Legal Officer | $1,929,713 | Mixed | 06 Feb 2026 | ||
| William James Wartinbee III | EVP, Global Sales&Serv Ops | $1,435,034 | -$241,610 | -14% | Mixed | 09 Feb 2026 |
| Akhil Jain | EVP, Consulting | $1,410,592 | -$292,500 | -17% | Mixed | 09 Feb 2026 |
| Yvonne Genovese | EVP, Bus. & Tech. Insights | $1,184,226 | Mixed | 09 Feb 2026 | ||
| Peter Bisson | Director | $1,112,018 | Mixed | 01 Apr 2026 | ||
| Claire Herkes | EVP, Conferences | $1,004,987 | -$169,050 | -14% | Mixed | 09 Feb 2026 |
| Altaf Rupani | EVP, Chief Information Officer | $995,832 | Mixed | 27 Feb 2026 | ||
| Eileen Serra | Director | $939,934 | Mixed | 01 Apr 2026 | ||
| Diana S. Ferguson | Director | $895,530 | Mixed | 01 Apr 2026 | ||
| Jose M. Gutierrez | Director | $815,305 | +$99,997 | +14% | Mixed | 01 Apr 2026 |
| John J. Rinello | SVP, Global Business Sales | $599,196 | -$116,581 | -16% | Mixed | 09 Feb 2026 |
| Karen E. Dykstra | Director | $330,293 | -$792,439 | -71% | Mixed | 01 Apr 2026 |
| Dick van Ham | SVP, Global Technology Sales | $129,029 | Mixed | 27 Feb 2026 | ||
| Edward Peter Bousa | Director | $17,473 | Mixed | 01 Apr 2026 | ||
| Daniela L. Rus | Director | $16,129 | Mixed | 01 Apr 2026 |
Top shareholders of GARTNER INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
|
Company |
9.5%
|
7,286,961
|
$2,945,536,104 | $0 | 30 Jun 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
9,053,827
|
$2,284,099,476 | — | 31 Dec 2025 | |
| J. Stern & Co. LLP |
13F
|
Company |
2.1%
|
1,536,890
|
$1,536,890,000 | — | 31 Dec 2025 | |
| BAMCO INC /NY/ |
13D/G
13F
|
Baron Capital Group, Inc. · Company |
5.7%
|
4,322,113
|
$1,136,153,844 | +$144,710,986 | 30 Sep 2025 | |
| Capital International Investors |
13F
13D/G
|
Company |
5.7%
from 13D/G
|
4,004,093
|
$1,010,152,582 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.8%
|
3,409,761
|
$860,214,505 | — | 31 Dec 2025 | |
| Independent Franchise Partners LLP |
13F
|
Company |
4.6%
|
3,308,566
|
$834,685,030 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.5%
|
2,495,575
|
$629,584,605 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
3.1%
|
2,218,890
|
$559,082,373 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
2.6%
|
1,892,004
|
$477,314,864 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.9%
|
1,388,317
|
$350,244,613 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.8%
|
1,274,822
|
$321,612,098 | — | 31 Dec 2025 | |
| Sustainable Growth Advisers, LP |
13F
|
Company |
1.7%
|
1,243,148
|
$313,621,378 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.7%
|
1,187,473
|
$299,575,688 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1.6%
|
1,181,830
|
$298,152,071 | — | 31 Dec 2025 | |
| James C. Smith |
3/4/5
|
Director |
—
mixed-class rows
|
510,012
mixed-class rows
|
$268,884,954 | — | 26 Nov 2024 | |
| HARRIS ASSOCIATES L P |
13F
|
Company |
1.3%
|
963,984
|
$243,193,884 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.3%
|
929,860
|
$234,585,080 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
1.2%
|
875,457
|
$220,860,292 | — | 31 Dec 2025 | |
| BESSEMER GROUP INC |
13F
|
Company |
1.1%
|
780,350
|
$196,866,000 | — | 31 Dec 2025 | |
| Eugene A. Hall |
3/4/5
|
Chairman and CEO, Director |
—
mixed-class rows
|
1,291,745
mixed-class rows
|
$177,439,665 | — | 27 Feb 2026 | |
| Amundi |
13F
|
Individual |
0.94%
|
676,928
|
$170,775,396 | — | 31 Dec 2025 | |
| Madison Asset Management, LLC |
13F
|
Company |
0.94%
|
675,398
|
$170,389,307 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.87%
|
626,767
|
$158,120,778 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.84%
|
604,806
|
$152,580,461 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.84%
|
598,872
|
$151,092,640 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.83%
|
595,567
|
$150,249,643 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.83%
|
593,726
|
$149,785,415 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.67%
|
483,272
|
$121,919,897 | — | 31 Dec 2025 | |
| BNP Paribas Asset Management Holding S.A. |
13F
|
Company |
0.65%
|
469,337
|
$118,403,000 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.64%
|
459,361
|
$115,887,593 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.64%
|
458,406
|
$115,646,784 | — | 31 Dec 2025 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.64%
|
456,789
|
$115,285,877 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.63%
|
452,384
|
$114,127,435 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.62%
|
444,215
|
$112,066,560 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.59%
|
424,463
|
$107,083,533 | — | 31 Dec 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.57%
|
406,248
|
$102,488,245 | — | 31 Dec 2025 | |
| WORLDQUANT MILLENNIUM ADVISORS LLC |
13F
|
Company |
0.53%
|
381,513
|
$96,248,100 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.53%
|
378,465
|
$95,479,150 | — | 31 Dec 2025 | |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
|
Company |
0.5%
|
357,160
|
$90,104,325 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.5%
|
356,345
|
$89,898,717 | — | 31 Dec 2025 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.43%
|
308,071
|
$77,720,152 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.43%
|
307,736
|
$77,636,000 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.43%
|
305,694
|
$77,120,482 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.42%
|
303,879
|
$76,662,594 | — | 31 Dec 2025 | |
| NZS Capital, LLC |
13F
|
Company |
0.42%
|
301,284
|
$76,007,928 | — | 31 Dec 2025 | |
| NATIXIS ADVISORS, LLC |
13F
|
Company |
0.39%
|
276,085
|
$69,651,000 | — | 31 Dec 2025 | |
| Bollard Group LLC |
13F
|
Company |
0.38%
|
269,744
|
$68,051,000 | — | 31 Dec 2025 | |
| Deutsche Girozentrale DekaBank |
13F
|
Individual |
0.19%
|
134,054
|
$65,319,000 | — | 31 Dec 2025 | |
| Resona Asset Management Co.,Ltd. |
13F
|
Company |
0.34%
|
244,513
|
$61,806,616 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for GARTNER INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Edward Peter Bousa | IT | Common Stock Equivalent (CSE) | Award | 117 | 117 | 01 Apr 2026 | Direct | |||
| Peter Bisson | IT | Common Stock Equivalent (CSE) | Award | 4.61% | 170 | 3,857 | 01 Apr 2026 | Direct | ||
| William O Grabe | IT | Common Stock | Other | 47% | 157 | 491 | 01 Apr 2026 | Direct | ||
| William O Grabe | IT | Common Stock Equivalents (CSE) | Other | -0.33% | -157 | 47,197 | 01 Apr 2026 | Direct | ||
| William O Grabe | IT | Common Stock Equivalents (CSE) | Award | 0.33% | 157 | 47,354 | 01 Apr 2026 | Direct | ||
| Daniela L. Rus | IT | Common Stock Equivalent (CSE) | Award | 108 | 108 | 01 Apr 2026 | Direct | |||
| Diana S. Ferguson | IT | Common Stock | Other | 7.15% | 174 | 2,606 | 01 Apr 2026 | Direct | ||
| Diana S. Ferguson | IT | Common Stock Equivalent (CSE) | Other | -68.2% | -174 | 81 | 01 Apr 2026 | Direct | ||
| Diana S. Ferguson | IT | Common Stock Equivalent (CSE) | Award | 214.8% | 174 | 255 | 01 Apr 2026 | Direct | ||
| Richard J. Bressler | IT | Common Stock Equivalents (CSE) | Award | 0.8% | 170 | 21,363 | 01 Apr 2026 | Direct | ||
| Jose M. Gutierrez | IT | Common Stock | Other | 4.43% | 97 | 2,288 | 01 Apr 2026 | Direct | ||
| Jose M. Gutierrez | IT | Common Stock Equivalents (CSE) | Other | -30% | -97 | 226 | 01 Apr 2026 | Direct | ||
| Jose M. Gutierrez | IT | Common Stock Equivalents (CSE) | Award | 42.9% | 97 | 323 | 01 Apr 2026 | Direct | ||
| Stephen G. Pagliuca | IT | Common Stock | Other | 0.14% | 156 | 111,864 | 01 Apr 2026 | Direct | ||
| Stephen G. Pagliuca | IT | Common Stock Equivalents (CSE) | Other | -8.55% | -156 | 1,668 | 01 Apr 2026 | Direct | ||
| Stephen G. Pagliuca | IT | Common Stock Equivalents (CSE) | Award | 9.35% | 156 | 1,824 | 01 Apr 2026 | Direct | ||
| Eileen Serra | IT | Common Stock Equivalents ( CSE ) | Award | 6.28% | 186 | 3,147 | 01 Apr 2026 | Direct | ||
| Karen E. Dykstra | IT | Common Stock Equivalents (CSE) | Award | 30.6% | 119 | 508 | 01 Apr 2026 | Direct | ||
| Anne Sutherland Fuchs | IT | Common Stock | Other | 1.06% | 87 | 8,306 | 01 Apr 2026 | Direct | ||
| Anne Sutherland Fuchs | IT | Common Stock Equivalent (CSE) | Other | -0.29% | -87 | 29,577 | 01 Apr 2026 | Direct | ||
| Anne Sutherland Fuchs | IT | Common Stock Equivalent (CSE) | Award | 0.29% | 87 | 29,664 | 01 Apr 2026 | Direct | ||
| Raul E. Cesan | IT | Common Stock | Other | 0.53% | 162 | 30,445 | 01 Apr 2026 | Direct | ||
| Raul E. Cesan | IT | Common Stock Equivalents (CSE) | Other | -13.2% | -162 | 1,063 | 01 Apr 2026 | Direct | ||
| Raul E. Cesan | IT | Common Stock Equivalents (CSE) | Award | 15.2% | 162 | 1,225 | 01 Apr 2026 | Direct | ||
| William O Grabe | IT | Common Stock | Gift | 1,410 | 1,410 | 11 Mar 2026 | Family Trust 3 | |||
| William O Grabe | IT | Common Stock | Gift | 235 | 235 | 11 Mar 2026 | Family Trust 2 | |||
| William O Grabe | IT | Common Stock | Gift | 235 | 235 | 11 Mar 2026 | Family Trust 1 | |||
| William O Grabe | IT | Common Stock | Gift | -84.9% | -1,880 | 334 | 11 Mar 2026 | Direct | ||
| William O Grabe | IT | Common Stock | Other | 1842.1% | 2,100 | 2,214 | 11 Mar 2026 | Direct | ||
| William O Grabe | IT | Common Stock | Other | -4.2% | -2,100 | 47,900 | 11 Mar 2026 | 2025 GRAT | ||
| Dick van Ham | IT | Common Stock | Other | 4.73% | 39 | 864 | 27 Feb 2026 | Direct | ||
| Craig Safian | IT | Common Stock | Other | 0.05% | 39 | 83,050 | 27 Feb 2026 | Direct | ||
| Altaf Rupani | IT | Common Stock | Other | 3.49% | 39 | 1,157 | 27 Feb 2026 | Direct | ||
| Eugene A. Hall | IT | Common Stock | Other | 39 | 1,188,159 | 27 Feb 2026 | Direct | |||
| Robin B. Kranich | IT | Common Stock | Other | 0.17% | 39 | 23,598 | 27 Feb 2026 | Direct | ||
| Daniela L. Rus | IT | Restricted Stock Units | Award | 507 | 507 | 17 Feb 2026 | Direct | |||
| Edward Peter Bousa | IT | Restricted Stock Units | Award | 507 | 507 | 17 Feb 2026 | Direct | |||
| Yvonne Genovese | IT | Common Stock | Tax liability | -5.78% | -412 | 6,718 | 09 Feb 2026 | Direct | ||
| Yvonne Genovese | IT | Common Stock | Options Exercise | 32.5% | 1,868 | 7,610 | 09 Feb 2026 | Direct | ||
| Yvonne Genovese | IT | Restricted Stock Units | Options Exercise | -100% | -1,868 | 0 | 09 Feb 2026 | Direct | ||
| Eugene A. Hall | IT | Common Stock | Tax liability | -0.56% | -6,682 | 1,183,595 | 09 Feb 2026 | Direct | ||
| Eugene A. Hall | IT | Common Stock | Options Exercise | 1.42% | 16,729 | 1,191,129 | 09 Feb 2026 | Direct | ||
| Eugene A. Hall | IT | Restricted Stock Units | Options Exercise | -100% | -16,729 | 0 | 09 Feb 2026 | Direct | ||
| Craig Safian | IT | Common Stock | Tax liability | -2.28% | -1,906 | 81,843 | 09 Feb 2026 | Direct | ||
| Craig Safian | IT | Common Stock | Options Exercise | 6.09% | 4,824 | 84,026 | 09 Feb 2026 | Direct | ||
| Craig Safian | IT | Restricted Stock Units | Options Exercise | -100% | -4,824 | 0 | 09 Feb 2026 | Direct | ||
| Scott Hensel | IT | Common Stock | Tax liability | -3.53% | -917 | 25,077 | 09 Feb 2026 | Direct | ||
| Scott Hensel | IT | Common Stock | Options Exercise | 12.5% | 2,925 | 26,401 | 09 Feb 2026 | Direct | ||
| Scott Hensel | IT | Restricted Stock Units | Options Exercise | -100% | -2,925 | 0 | 09 Feb 2026 | Direct | ||
| Claire Herkes | IT | Common Stock | Tax liability | -9.35% | -586 | 5,679 | 09 Feb 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.