Robert Half Inc.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. At the annual meeting of stockholders of Robert Half Inc. (the “Company”) held on May 13, 2026 and described under Item 5.07 below, stockholders approved the amended and restated Stock Incentive Plan (the “Plan”), which had previously been adopted by the Company’s Board of Directors subject to stockholder approval. The summary of the terms and conditions of the Plan contained on pages 53 to 61 of the Company’s 2026 Proxy Statement filed with the Securities and Exchange Commission on April 10, 2026, is incorporated herein by reference. This summary does not purport to be complete and is subject to, and qualified in its entirety by, the full text of the Plan, which is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein.

Item 5.07 Submission of Matters to a Vote of Security Holders. On May 13, 2026, the Company held its annual meeting of stockholders. The four matters voted on by stockholders at the annual meeting were (1) the election of the eight directors named below, (2) to approve, on an advisory basis, executive compensation, (3) to approve the amended and restated Stock Incentive Plan, and (4) the ratification of the appointment of PricewaterhouseCoopers LLP as the Company's independent registered public accounting firm for 2026. The vote for directors was as follows: Nominee For Against Abstain Broker Non-Votes ──────────────────────────────────────────────────────────────────────────────────────────── Jana L. Barsten 83,767,643 1,828,715 74,120 6,785,185 Julia L. Coronado 83,468,056 2,129,810 72,612 6,785,185 Harold M. Messmer, Jr. 84,205,677 1,413,865 50,936 6,785,185 Marc H. Morial 82,870,147 2,724,973 75,358 6,785,185 Robert J. Pace 78,526,705 7,083,701 60,072 6,785,185 Frederick A. Richman 77,820,671 7,789,302 60,505 6,785,185 M. Keith Waddell 84,583,376 1,035,509 51,593 6,785,185 Marnie H. Wilking 83,465,462 2,132,253 72,763 6,785,185 The proposal to approve, on an advisory basis, executive compensation was approved by the following vote: For 82,981,010 Against 2,236,438 Abstain 453,030 Broker Non-Votes 6,785,185 The proposal to approve the amended and restated Stock Incentive Plan was approved by the following vote: For 84,545,099 Against 1,071,359 Abstain 54,020 Broker Non-Votes 6,785,185 The proposal regarding the ratification of the appointment of PricewaterhouseCoopers LLP as auditors for 2026 was approved by the following vote: For 89,895,070 Against 2,518,513 Abstain 42,080 Broker Non-Votes ( 0 )