Eugene A. Hall

Companies

• GartnerChair Aug 2, 2024 to now¹
• GartnerChief executive officer Feb 7, 2006 to now²
• GartnerBoard member Feb 7, 2006 to Jun 4, 2024²
• Automatic Data ProcessingCorporate Vice President Jul 16, 2003 to Jul 16, 2004³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Gartner IT1,188,228 shares⁴$245.2M at $206.34Aug 31, 2026
• Automatic Data Processing ADP56,901 shares⁵$16.7M at $294.00Jul 15, 2004

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 31, 2026Other 31 shares at $188.20 of Gartner⁴
• May 29, 2026Other 38 shares at $154.09 of Gartner⁶
• Feb 27, 2026Other 39 shares at $149.34 of Gartner⁷
• Feb 9, 2026Shares withheld for tax 3,009 shares at $159.75 of Gartner⁸
• Feb 9, 2026Exercised options 7,534 shares of Gartner⁸
• Feb 9, 2026Shares withheld for tax 3,673 shares at $159.75 of Gartner⁸
• Feb 9, 2026Exercised options 9,195 shares of Gartner⁸
• Feb 8, 2026Shares withheld for tax 2,537 shares at $156.33 of Gartner⁹
• Feb 8, 2026Exercised options 7,078 shares of Gartner⁹
• Feb 6, 2026Shares withheld for tax 1,238 shares at $156.33 of Gartner⁹
• Feb 6, 2026Exercised options 4,463 shares of Gartner⁹
• Nov 28, 2025Other 26 shares at $221.10 of Gartner¹⁰
• Aug 29, 2025Other 24 shares at $238.63 of Gartner¹¹
• May 30, 2025Other 14 shares at $414.60 of Gartner¹²
• Feb 28, 2025Other 12 shares at $473.40 of Gartner¹³
• Feb 10, 2025Shares withheld for tax 8,363 shares at $528.87 of Gartner¹⁴
• Feb 10, 2025Exercised options 20,938 shares of Gartner¹⁴
• Feb 9, 2025Shares withheld for tax 3,009 shares at $529.29 of Gartner¹⁵
• Feb 9, 2025Exercised options 7,534 shares of Gartner¹⁵
• Feb 9, 2025Shares withheld for tax 3,673 shares at $529.29 of Gartner¹⁵
• Feb 9, 2025Exercised options 9,195 shares of Gartner¹⁵
• Feb 8, 2025Shares withheld for tax 2,717 shares at $529.29 of Gartner¹⁵
• Feb 8, 2025Exercised options 7,079 shares of Gartner¹⁵
• Nov 29, 2024Other 12 shares at $492.03 of Gartner¹⁶
• Nov 20, 2024Gift 150 shares of Gartner¹⁷