---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-206347"
form_type: "8-K"
ticker: "TMDX"
cik: "0001756262"
company_name: "TransMedics Group, Inc."
filed_at: "2026-05-05T23:59:59+00:00"
generated_at: "2026-05-14T23:28:49.051657+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# TransMedics Q1 revenue up 21% but net income plunges 71% YoY; guidance reiterated

## Summary
- Revenue $173.9M (+21% YoY); net income $7.3M ($0.20 diluted EPS), down 71% from $0.70.
- Adjusted net income $10.9M ($0.30 diluted EPS), down 59% YoY.
- Operating margin 7.6% vs 19.1% prior year; adjusted operating margin 10.4%.
- Reiterates FY 2026 revenue guidance $727M-$757M.
- Announced investment in PAD Aviation to create European transplant logistic network; owns 22 aircraft.

## SEC filing metadata
- accession: 0001193125-26-206347
- form_type: 8-K
- ticker: TMDX
- cik: 0001756262
- company_name: TransMedics Group, Inc.
- filed_at: 2026-05-05T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1756262/000119312526206347/0001193125-26-206347-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1756262/000119312526206347/tmdx-20260505.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-206347
- JSON: https://secwatch.observer/filing/0001193125-26-206347.json
- Plain text: https://secwatch.observer/filing/0001193125-26-206347.txt

## Key facts
- Earnings Releases
  TransMedics Group, Inc. reported the quarter ended March 31, 2026 results: revenue $173.9 million, net income $7.3 million, EPS $0.20 per fully diluted share. Guidance reaffirmed.
  - Period: the quarter ended March 31, 2026
  - Revenue: $173.9 million
  - Net income: $7.3 million
  - EPS: $0.20 per fully diluted share
  - Guidance: reaffirmed
  - Result: reported results
  source text: Total revenue of $173.9 million in the first quarter of 2026, a 21% increase compared to the first quarter of 2025 ▪ Net income of $7.3 million or $0.20 per fully diluted share in the first quarter of 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/1756262/000119312526206347/0001193125-26-206347-index.htm

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