Gartner Inc. SVP Gregory L. Arlington Files Initial Form 3 Statement of Beneficial Ownership

Executive Summary

On November 4, 2026, Gregory L. Arlington, Senior Vice President of High Tech and Invest at Gartner Inc. ($IT), filed an initial Form 3 Statement of Beneficial Ownership with the SEC. The filing establishes an event date of October 29, 2026.

Holdings Analysis

• Direct Common Stock: Mr. Arlington directly holds 31 shares of Common Stock. A footnote indicates that this information was unintentionally reported on a previously filed Form 4 on October 30, 2026.
• Derivative Holdings (Restricted Stock Units): Mr. Arlington holds an aggregate of 7,437 RSUs scheduled to vest over multiple future dates:
  • 320 RSUs vesting in full on February 9, 2027
  • 492 RSUs vesting ratably over two years on February 8, 2027 and February 8, 2028
  • 98 RSUs vesting ratably over two years on February 8, 2027 and February 8, 2028
  • 105 RSUs vesting ratably over three years on February 6, 2027, 2028, and 2029
  • 701 RSUs vesting ratably over three years on February 6, 2027, 2028, and 2029
  • 3,617 RSUs vesting ratably over four years on February 5, 2027, 2028, 2029, and 2030
  • 657 RSUs vesting ratably over four years on February 5, 2027, 2028, 2029, and 2030
  • 1,447 RSUs vesting ratably over four years on October 15, 2027, 2028, 2029, and 2030

Market & Trading Significance

This filing represents a routine Form 3 disclosure required upon becoming a Section 16 reporting officer. Because it represents an initial inventory of existing equity grants and common stock holdings rather than open-market buying or selling activity, it carries low trading significance for investors.