Company Analysis

Marten Transport, Ltd. (MRTN)

Nasdaq: MRTN · Trucking (No Local) · Mondovi, WI · filing with the SEC since 1994
Grade4.8
◀ Past 5.2● Present 4.4▶ Future 4.9

Who owns Marten Transport, Ltd.

As filed with the SEC
Holders of 5% or more
1
Dimensional Fund Advisors LP holds 6% of Common Stock, as its SCHEDULE 13G/A filed Jan 21, 2026 says.
Directors and officers
11
report now, of 16 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Dimensional Fund Advisors LP
6%
The Vanguard Group
SCHEDULE 13G/A · filed Jan 30, 2026 · Common Stock · reported falling below 5%
under 5%
Nuance Investments LLC
SCHEDULE 13G/A · filed Jul 6, 2026 · COMMON · reported falling below 5%, from 7.69% in Jan 22, 2026
under 5%
Victory Capital Management, Inc.
SCHEDULE 13G/A · filed Aug 8, 2025 · Common Stock · reported falling below 5%, from 5% in Jan 28, 2025
under 5%
What MRTN reports owning in othersstakes of 5% or more, and other ties
Marten Transport, Ltd. reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
16171819202122232425
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.
SI Assistanton MRTN · research, not advice