Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. (b) On August 11, 2026, Brian Yoor notified iRhythm Holdings, Inc. (the “ Company”) of his decision to resign from his position as a member of the Board of Directors of the Company (the “ Board”) and as a member and chair of the Audit Committee of the Board (the “ Audit Committee”), effective August 12, 2026. Mr. Yoor’s resignation from the Board was for personal reasons and not based on any disagreement with the Company on any matter relating to the Company’s operations, policies or practices. The Board has appointed Karen McGinnis, a member of the Board and Audit Committee, as chair of the Audit Committee, effective August 12, 2026. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. IRHYTHM HOLDINGS, INC. Date: August 13, 2026 By: /s/ Daniel Wilson Daniel Wilson Chief Financial Officer