---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-009211"
form_type: "8-K"
ticker: "MRTN"
cik: "0000799167"
company_name: "MARTEN TRANSPORT LTD"
filed_at: "2022-04-19T23:59:59+00:00"
generated_at: "2026-06-26T06:42:41.573231+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Marten Q1 net income up 52.9% to $27.5M; record revenue $287.3M

## Summary
- EPS $0.33 diluted vs $0.22 YoY; net income $27.5M vs $18.0M.
- Operating revenue record $287.3M (+28.8% YoY); net of fuel surcharge $245.3M (+23.8%).
- Operating income record $35.9M (+49.4%); operating ratio net of fuel surcharge best since 1986 at 85.4%.
- Repurchased 1.3M shares for $25M; quarterly dividend increased 50%.
- Added 128 drivers and 95 refrigerated containers in Q1; fleet 729 containers.

## SEC filing metadata
- accession: 0001437749-22-009211
- form_type: 8-K
- ticker: MRTN
- cik: 0000799167
- company_name: MARTEN TRANSPORT LTD
- filed_at: 2022-04-19T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/799167/000143774922009211/0001437749-22-009211-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/799167/000143774922009211/mrtn20220414_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-009211
- JSON: https://secwatch.observer/filing/0001437749-22-009211.json
- Plain text: https://secwatch.observer/filing/0001437749-22-009211.txt

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