---
schema_version: "secwatch.filing_event.v1"
accession: "0001388658-26-000076"
form_type: "8-K"
ticker: "IRTC"
cik: "0001388658"
company_name: "iRhythm Holdings, Inc."
filed_at: "2026-08-13T20:15:35+00:00"
generated_at: "2026-08-13T20:17:37.381817+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# iRhythm director Brian Yoor resigns; Karen McGinnis named Audit Committee chair

## Summary
- Brian Yoor resigned from Board and as Audit Committee chair effective Aug 12, 2026, for personal reasons.
- Resignation not based on any disagreement with Company on operations, policies, or practices.
- Karen McGinnis, existing Board and Audit Committee member, appointed as new Audit Committee chair effective Aug 12, 2026.

## SEC filing metadata
- accession: 0001388658-26-000076
- form_type: 8-K
- ticker: IRTC
- cik: 0001388658
- company_name: iRhythm Holdings, Inc.
- filed_at: 2026-08-13T20:15:35+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1388658/000138865826000076/0001388658-26-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1388658/000138865826000076/irtc-20260811.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001388658-26-000076
- JSON: https://secwatch.observer/filing/0001388658-26-000076.json
- Plain text: https://secwatch.observer/filing/0001388658-26-000076.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.