---
schema_version: "secwatch.filing_event.v1"
accession: "0001388658-21-000135"
form_type: "8-K"
ticker: "IRTC"
cik: "0001388658"
company_name: "iRhythm Holdings, Inc."
filed_at: "2021-09-13T23:59:59+00:00"
generated_at: "2026-06-29T04:07:29.856362+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# iRhythm appoints Quentin Blackford as President and CEO effective Oct 4, 2021

## Summary
- Quentin Blackford appointed President and CEO effective Oct 4, 2021; former COO of Dexcom.
- Compensation includes $650K base salary, 100% target bonus, $675K signing bonus, $6M RSUs, and $3M PSUs.
- Douglas Devine remains Interim CEO until Oct 4 and will continue as CFO thereafter.
- Blackford will also join the Board of Directors effective Oct 4, 2021.

## SEC filing metadata
- accession: 0001388658-21-000135
- form_type: 8-K
- ticker: IRTC
- cik: 0001388658
- company_name: iRhythm Holdings, Inc.
- filed_at: 2021-09-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1388658/000138865821000135/0001388658-21-000135-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1388658/000138865821000135/irtc-20210913.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001388658-21-000135
- JSON: https://secwatch.observer/filing/0001388658-21-000135.json
- Plain text: https://secwatch.observer/filing/0001388658-21-000135.txt

## Key facts
- Executive change
  Quentin S. Blackford was appointed as President and Chief Executive Officer at iRhythm Holdings, Inc..
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: Quentin S. Blackford, age 43 had been appointed as the Company’s President and Chief Executive Officer, effective October 4, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865821000135/0001388658-21-000135-index.htm
- Executive change
  Quentin S. Blackford was appointed as Class I director at iRhythm Holdings, Inc..
  - Action: appointed
  - Role: Class I director
  source text: Mr. Blackford will become a Class I director on the Company’s board of directors effective as of the same date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865821000135/0001388658-21-000135-index.htm
- Executive change
  Douglas J. Devine changed role as Chief Financial Officer at iRhythm Holdings, Inc..
  - Action: remains
  - Role: Chief Financial Officer
  source text: Douglas J. Devine will remain Interim Chief Executive Officer until October 4, 2021 and continue as Chief Financial Officer after such date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865821000135/0001388658-21-000135-index.htm

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