---
schema_version: "secwatch.filing_event.v1"
accession: "0001388658-23-000006"
form_type: "8-K"
ticker: "IRTC"
cik: "0001388658"
company_name: "iRhythm Holdings, Inc."
filed_at: "2023-02-23T23:59:59+00:00"
generated_at: "2026-06-19T02:18:03.899734+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# iRhythm Q4 revenue $112.6M (+37.7% YoY); adjusted EBITDA positive $1.1M; guides 2023 rev $475-485M

## Summary
- Q4 revenue $112.6M (+37.7% YoY); gross margin 69.9% (up 720 bps); net loss $20.2M ($0.67 loss per share) vs $32.5M loss in Q4 2021.
- Q4 adjusted EBITDA $1.1M, first positive quarter; full year adjusted EBITDA -$11.3M, improvement of $24.4M YoY.
- Full year 2022 revenue $410.9M (+27.3% YoY); net loss $116.2M ($3.88 loss per share) vs $101.4M loss in 2021.
- 2023 guidance: revenue $475-485M (16-18% growth); gross margin 69-70%; adjusted EBITDA margin -0.5% to 0.5%.
- Operational: CMS Final Rule with national CPT rates; FDA clearance for ZEUS system update; health economic data presented at AHA.

## SEC filing metadata
- accession: 0001388658-23-000006
- form_type: 8-K
- ticker: IRTC
- cik: 0001388658
- company_name: iRhythm Holdings, Inc.
- filed_at: 2023-02-23T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1388658/000138865823000006/0001388658-23-000006-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1388658/000138865823000006/irtc-20230223.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001388658-23-000006
- JSON: https://secwatch.observer/filing/0001388658-23-000006.json
- Plain text: https://secwatch.observer/filing/0001388658-23-000006.txt

## Key facts
- Earnings Releases
  iRhythm Holdings, Inc. updated its the fourth quarter and full year ended December 31, 2022 guidance (initiated).
  - Period: the fourth quarter and full year ended December 31, 2022
  - Guidance: initiated
  - Result: reported results
  source text: On February 23, 2023, iRhythm Technologies, Inc. issued a press release regarding its financial results for the fourth quarter and full year ended December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865823000006/0001388658-23-000006-index.htm
- Earnings Releases
  iRhythm Holdings, Inc. reported year ended December 31, 2022 results: revenue $410.9 million, net income $116.2 million, EPS $3.88 per share. Guidance initiated.
  - Period: year ended December 31, 2022
  - Revenue: $410.9 million
  - Net income: $116.2 million
  - EPS: $3.88 per share
  - Guidance: initiated
  - Result: reported results
  source text: equivalents and short-term investments of $213.1 million at December 31, 2022, a $9.6 million increase from September 30, 2022 Full Year 2022 Financial Highlights • Revenue of $410.9 million, a 27.3% increase compared to full year 2021 • Gross margin of 68.5%, a 238 basis point increase compared to full year 2021 • Net loss of $116.2 million, reflecting an increase
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865823000006/0001388658-23-000006-index.htm
- Earnings Releases
  iRhythm Holdings, Inc. reported the three months and full year ended December 31, 2022 results: revenue $112.6 million, net income $20.2 million, EPS $0.67 per share. Guidance initiated.
  - Period: the three months and full year ended December 31, 2022
  - Revenue: $112.6 million
  - Net income: $20.2 million
  - EPS: $0.67 per share
  - Guidance: initiated
  - Result: reported results
  source text: predict, and prevent disease, today reported financial results for the three months and full year ended December 31, 2022. Fourth Quarter 2022 Financial Highlights • Revenue of $112.6 million, a 37.7% increase compared to fourth quarter 2021 • Gross margin of 69.9%, a 720 basis point improvement compared to fourth quarter 2021 • Net loss of $20.2 million, a $12.3
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865823000006/0001388658-23-000006-index.htm

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