---
schema_version: "secwatch.filing_event.v1"
accession: "0001323885-26-000020"
form_type: "8-K/A"
ticker: "ATRC"
cik: "0001323885"
company_name: "AtriCure, Inc."
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:33:37.468338+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# AtriCure Q1 revenue $141.2M (+14.3%); corrects FY2026 guidance to rev $600-610M, adj EBITDA $80-82M

## Summary
- Q1 revenue $141.2M (+14.3% YoY); net income $0.1M, breakeven EPS.
- U.S. rev growth 14.9% driven by cryoSPHERE MAX, AtriClip FLEX-Mini, EnCompass clamp.
- Adjusted EBITDA $17.1M, up 95% YoY; gross margin 77.4% (+246 bps).
- Corrected FY2026 guidance: revenue $600-610M, adj EBITDA $80-82M, adj EPS $0.09-0.15, net EPS $0.00-0.04.
- International revenue $25.0M (+11.5% as reported; +3.3% constant currency).

## SEC filing metadata
- accession: 0001323885-26-000020
- form_type: 8-K/A
- ticker: ATRC
- cik: 0001323885
- company_name: AtriCure, Inc.
- filed_at: 2026-05-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1323885/000132388526000020/0001323885-26-000020-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1323885/000132388526000020/atrc-20260505.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001323885-26-000020
- JSON: https://secwatch.observer/filing/0001323885-26-000020.json
- Plain text: https://secwatch.observer/filing/0001323885-26-000020.txt

## Source-grounded claims
- claim_id: 5c4d40aad67bea308d2f93e2e1f8f2f2bde68670
  claim: AtriCure, Inc. reported the first quarter ended March 31, 2026 results: revenue $141.2 million, net income $0.1 million, EPS $0.00.
  evidence_excerpt: First Quarter 2026 worldwide revenue of $141.2 million, an increase of 14.3% year over year • First Quarter 2026 profitability improved, with net income of $0.1 million and adjusted EBITDA of $17.1 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1323885/000132388526000020/0001323885-26-000020-index.htm

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