William O. Grabe

Companies

• GartnerBoard member Jan 4, 2006 to now¹
• QTS Realty Trust, Inc.Board member Oct 8, 2013 to Mar 9, 2021²

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 IT3,306 shares³$682.1K at $206.34Sep 15, 2026

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

Recent filings

• Sep 11, 2026Gift 672 shares of Gartner³
• Jul 1, 2026Other 182 shares of Gartner⁴
• May 29, 2026Exercised options 551 shares of Gartner⁵
• Apr 1, 2026Other 157 shares of Gartner⁶
• Mar 11, 2026Gift 1,410 shares of Gartner⁷
• Mar 11, 2026Gift 1,410 shares of Gartner⁷
• Mar 11, 2026Gift 235 shares of Gartner⁷
• Mar 11, 2026Gift 235 shares of Gartner⁷
• Mar 11, 2026Gift 235 shares of Gartner⁷
• Mar 11, 2026Gift 235 shares of Gartner⁷
• Mar 11, 2026Other 2,100 shares at $160.01 of Gartner⁷
• Mar 11, 2026Other 2,100 shares at $160.01 of Gartner⁷
• Jan 2, 2026Other 109 shares of Gartner⁸
• Dec 11, 2025Gift 4,131 shares of Gartner⁹
• Oct 1, 2025Other 107 shares of Gartner¹⁰
• Aug 14, 2025Gift 29,928 shares of Gartner¹¹
• Aug 14, 2025Gift 23,205 shares of Gartner¹¹
• Jul 1, 2025Other 66 shares of Gartner¹²
• Jun 6, 2025Exercised options 555 shares of Gartner¹³
• Apr 1, 2025Other 65 shares of Gartner¹⁴
• Jan 2, 2025Other 56 shares of Gartner¹⁵
• Dec 9, 2024Gift 966 shares of Gartner¹⁶
• Nov 8, 2024Gift 1,863 shares of Gartner¹⁷
• Nov 7, 2024Gift 1,863 shares of Gartner¹⁷
• Oct 1, 2024Other 54 shares of Gartner¹⁸