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Marten Transport, LTD (MRTN)

Name: Marten Transport, LTD (MRTN) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0000799167 · EDGAR filings · Updated 2026-07-23

Marten Transport, LTD (MRTN) has reported institutional ownership of 70.9%, with 224 institutional managers holding positions valued at $758.8M per the latest 13F reporting period.

Institutional ownership

70.9%

Institutional managers

224

Reported 13F value

$758.8M

Insider activity

20 trans.

$257.6K net buying

Filings this week (1)

2026-07-23 — Current report (8-K) filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

2026-07-06 — SCHEDULE 13G/A filed
2026-06-18 — Current report (8-K) filed
2026-05-11 — Current report (8-K) filed
2026-05-08 — Quarterly report (10-Q) filed
2026-05-07 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, Marten Transport, LTD has 224 institutional holders and institutional ownership of 70.9%.

Insider activity

Insiders reported 20 transactions (1 buys, 0 sells) across 12 reporting insiders, with a net reported value of $257.6K.

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See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-23.