SEC Form 4 · Updated Daily

MRTN

— MARTEN TRANSPORT, LTD. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
MARTEN RANDOLPH L	10%+ Owner · Director · Officer	17,742,900	2026-07-30	G
KOHL TIMOTHY M	Officer	291,019	2025-05-06	A
HAGNESS LARRY B	Director	210,575	2026-05-05	A
BAUER JERRY M	Director	185,044	2026-05-05	A
Hinnendael James J	Officer	161,564	2026-05-05	A
DEMOREST ROBERT L	Director	58,894	2026-05-05	A
Petit Douglas Paul	Officer	40,585	2026-05-05	A
Booth Ronald Richard	Director	32,349	2026-05-05	A
IVERSON KATHLEEN P	Director	22,850	2026-05-05	A
Baier Randall John	Officer	22,564	2026-05-05	A
Phillips Adam Daniel	Officer	15,284	2026-05-05	A
Jones Patricia L	Director	15,100	2026-05-05	A

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-07-30	MARTEN RANDOLPH L	Gift	1,200	$0.00	17,742,900
2026-05-05	Baier Randall John	Grant / award	4,817	$0.00	22,564
2026-05-05	Petit Douglas Paul	Grant / award	6,423	$0.00	40,585
2026-05-05	Phillips Adam Daniel	Grant / award	4,661	$0.00	15,284
2026-05-05	MARTEN RANDOLPH L	Grant / award	12,300	$0.00	17,744,100
2026-05-05	Hinnendael James J	Grant / award	6,766	$0.00	161,564
2026-05-05	DEMOREST ROBERT L	Grant / award	4,100	$0.00	58,894
2026-05-05	BAUER JERRY M	Grant / award	4,100	$0.00	185,044
2026-05-05	Booth Ronald Richard	Grant / award	4,100	$0.00	32,349
2026-05-05	IVERSON KATHLEEN P	Grant / award	4,100	$0.00	22,850
2026-05-05	HAGNESS LARRY B	Grant / award	4,100	$0.00	210,575
2026-05-05	Jones Patricia L	Grant / award	4,100	$0.00	15,100
2026-02-20	Baier Randall John	Tax withholding	1,273	$13.90	17,747
2026-02-20	Petit Douglas Paul	Tax withholding	2,299	$13.90	34,162
2026-02-20	Phillips Adam Daniel	Tax withholding	1,131	$13.90	10,623
2026-02-20	Hinnendael James J	Tax withholding	2,885	$13.90	154,798
2026-02-20	MARTEN RANDOLPH L	Tax withholding	4,657	$13.90	17,731,800
2025-12-24	DEMOREST ROBERT L	Gift	6,580	$0.00	54,794
2025-08-19	MARTEN RANDOLPH L	Gift	1,500	$0.00	17,736,457
2025-05-06	BAUER JERRY M	Grant / award	4,500	$0.00	180,944
2025-05-06	Booth Ronald Richard	Grant / award	4,500	$0.00	28,249
2025-05-06	DEMOREST ROBERT L	Grant / award	4,500	$0.00	61,374
2025-05-06	HAGNESS LARRY B	Grant / award	4,500	$0.00	206,475
2025-05-06	IVERSON KATHLEEN P	Grant / award	4,500	$0.00	18,750
2025-05-06	Jones Patricia L	Grant / award	4,500	$0.00	11,000
2025-05-06	Baier Randall John	Grant / award	4,957	$0.00	19,020
2025-05-06	Hinnendael James J	Grant / award	6,807	$0.00	157,683
2025-05-06	MARTEN RANDOLPH L	Grant / award	13,515	$0.00	17,737,957
2025-05-06	Petit Douglas Paul	Grant / award	6,625	$0.00	36,461
2025-05-06	Phillips Adam Daniel	Grant / award	5,122	$0.00	11,754
2025-05-06	KOHL TIMOTHY M	Grant / award	12,408	$0.00	291,019
2025-04-28	BAUER JERRY M	Open-market buy	20,000	$12.88	176,444
2025-03-11	MARTEN RANDOLPH L	Tax withholding	3,779	$14.01	17,724,442
2025-03-11	KOHL TIMOTHY M	Tax withholding	3,850	$14.01	278,611
2025-03-11	Hinnendael James J	Tax withholding	2,438	$14.01	150,876
2025-03-11	Petit Douglas Paul	Tax withholding	1,764	$14.01	29,836
2025-03-11	Phillips Adam Daniel	Tax withholding	816	$14.01	6,632
2025-03-11	Baier Randall John	Tax withholding	927	$14.01	14,063
2024-10-30	BAUER JERRY M	Open-market buy	10,000	$15.81	156,444
2024-08-21	MARTEN RANDOLPH L	Gift	1,000	$0.00	17,728,221

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.