MARTEN TRANSPORT LTD 8-K

What Happened

• On April 23, 2026, Marten Transport Ltd (MRTN) announced its financial results for the quarter ended March 31, 2026 via a press release (attached as Exhibit 99.1 to the Form 8-K).
• The release includes non-GAAP measures — specifically operating revenue net of fuel surcharge revenue and operating expenses as a percentage of operating revenue (both net of fuel surcharge) — and provides reconciliations to the most directly comparable GAAP measures in accordance with Regulation G.
• The company also furnished investor presentation slides (Exhibit 99.2) under Regulation FD and expects to use those slides in investor and analyst presentations during 2026.

Key Details

• Filing date: April 23, 2026; quarter reported: ended March 31, 2026.
• Exhibit 99.1: press release with Q1 2026 results and non-GAAP disclosures (with reconciliations to GAAP).
• Exhibit 99.2: investor presentation slides that may be used in 2026 investor communications (furnished under Regulation FD).
• The non-GAAP metrics are management’s view to improve period-to-period comparability and have been reconciled to GAAP figures per the filing.

Why It Matters

• Investors get the company’s official Q1 2026 results and supplemental non-GAAP metrics aimed at clarifying revenue and expense trends after removing fuel surcharges.
• Reconciliations to GAAP are provided, so investors can compare the company’s adjusted presentation with statutory GAAP results.
• The furnished investor slides and Reg FD disclosure mean the company will likely discuss these results and metrics publicly with analysts and investors during 2026.