---
schema_version: "secwatch.filing_event.v1"
accession: "0001388658-26-000038"
form_type: "8-K"
ticker: "IRTC"
cik: "0001388658"
company_name: "iRhythm Holdings, Inc."
filed_at: "2026-04-30T23:59:59+00:00"
generated_at: "2026-05-15T00:36:54.655023+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# iRhythm Q1 revenue $199.4M (+25.7%), net loss narrows; raises FY2026 outlook

## Summary
- Revenue of $199.4M, up 25.7% YoY; net loss $13.9M ($0.43/sh) vs $30.7M ($0.97/sh) in Q1 2025.
- Adjusted EBITDA turned positive at $14.1M (7.1% margin) vs -$2.6M (-1.7%) a year ago; gross margin 70.9% up 210bps.
- Raised FY2026 revenue guidance to $875M-$885M and adjusted EBITDA margin to 12%-13%.
- Unrestricted cash $549.6M; presented data at ACC/HRS and launched new digital education platform.

## SEC filing metadata
- accession: 0001388658-26-000038
- form_type: 8-K
- ticker: IRTC
- cik: 0001388658
- company_name: iRhythm Holdings, Inc.
- filed_at: 2026-04-30T23:59:59+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/1388658/000138865826000038/0001388658-26-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1388658/000138865826000038/irtc-20260430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001388658-26-000038
- JSON: https://secwatch.observer/filing/0001388658-26-000038.json
- Plain text: https://secwatch.observer/filing/0001388658-26-000038.txt

## Key facts
- Earnings Releases
  iRhythm Holdings, Inc. reported the first quarter ended March 31, 2026 results: revenue $199.4 million, net income $13.9 million, EPS $0.43 per diluted share. Guidance raised.
  - Period: the first quarter ended March 31, 2026
  - Revenue: $199.4 million
  - Net income: $13.9 million
  - EPS: $0.43 per diluted share
  - Guidance: raised
  - Result: reported results
  source text: that detect, predict, and prevent disease, today reported financial results for the three months ended March 31, 2026. First Quarter 2026 Financial Highlights • Revenue of $199.4 million, a 25.7% increase compared to first quarter 2025 • Gross margin of 70.9%, a 210-basis point increase compared to first quarter 2025 • Net loss of $13.9 million, a $16.8 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1388658/000138865826000038/0001388658-26-000038-index.htm

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