Form 4 for MRTN MARTEN TRANSPORT LTD

Accepted 2026-02-23 00:00:00 ET · period of report 2026-02-20 · accession 0001881752-26-000001 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-02-23	2026-02-20	MRTN	Petit Douglas Paul	Pres	F - Tax	$13.90	-2,299	34.2K	-6%	-$32.0K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-20	F	D	2,299	$13.90	34,162	D	—	—	(F1) Of the 4,407 shares that vested, this number of shares were withheld in exchange for payment of employee taxes. All vested shares were previously reported as they vested based on service. (F2) Includes: (i) 5,300 shares granted under a Performance Award Agreement that vest on 12/31/2026 through 12/31/2029; (ii) 2,994 shares granted under a Performance Award Agreement that vest on 12/31/2026 through 12/31/2028; (iii) 1,719 shares granted under a Performance Award Agreement that vest on 12/31/2026 through 12/31/2027; and (iv) 1,025 shares granted under a Performance Award Agreement that vest on 12/31/2026.