iRhythm Holdings Director Resigns; Audit Committee Chair Changes

What Happened
iRhythm Holdings, Inc. (IRTC) filed a Form 8-K (Item 5.02) reporting that director Brian Yoor resigned from the Board and as chair of the Audit Committee, effective August 12, 2026. Mr. Yoor said his resignation was for personal reasons and not due to any disagreement with the company about its operations, policies, or practices. The Board appointed fellow director Karen McGinnis as chair of the Audit Committee effective the same date. The filing was signed by CFO Daniel Wilson on August 13, 2026.

Key Details

• Filing: SEC Form 8-K, Item 5.02, filed August 13, 2026.
• Resignation: Brian Yoor resigned as director and Audit Committee chair, effective August 12, 2026.
• Reason: Resignation stated as personal; explicitly not due to any disagreement with the company.
• Replacement: Karen McGinnis, an existing Board and Audit Committee member, named Audit Committee chair effective August 12, 2026.

Why It Matters
Changes to the Board and the chair of the Audit Committee affect corporate governance and oversight of financial reporting and audits. For investors, this is a governance update—there is no indication in the filing of operational or financial disagreement driving the change. Monitor future filings and proxy materials for any additional governance updates or committee composition changes.