Director Robert Demorest granted 4,100 Marten Transport (MRTN) shares

Rhea-AI Filing Summary

DEMOREST ROBERT L reported acquisition or exercise transactions in this Form 4 filing.

Marten Transport Ltd director Robert L. Demorest received a grant of 4,100 shares of Common Stock as equity compensation. The award was recorded at a price of $0.00 per share, indicating it was a non-cash stock grant rather than an open‑market purchase. Following this grant, Demorest directly holds 58,894 shares of Marten Transport common stock, showing he retains a meaningful ongoing ownership stake in the company.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider DEMOREST ROBERT L

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,100	$0.00	--

Holdings After Transaction: Common Stock — 58,894 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 4,100 shares Grant price: $0.00 per share Shares held after grant: 58,894 shares

3 metrics

Shares granted 4,100 shares Common Stock grant to director on 2026-05-05

Grant price $0.00 per share Recorded price for equity award

Shares held after grant 58,894 shares Director’s direct holdings following transaction

Key Terms

Common Stock, Grant, award, or other acquisition, Form 4

3 terms

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DEMOREST ROBERT L

(Last) (First) (Middle)

C/O MARTEN TRANSPORT, LTD.

129 MARTEN STREET

(Street)

MONDOVI WISCONSIN 54755

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MARTEN TRANSPORT LTD [ MRTN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/05/2026		A		4,100	A	$0	58,894	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ James J. Hinnendael, attorney-in-fact	05/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Marten Transport (MRTN) report for Robert L. Demorest?

Marten Transport reported that director Robert L. Demorest received a grant of 4,100 shares of Common Stock. The award was recorded at $0.00 per share, indicating a compensation-related stock grant rather than a market purchase.

How many Marten Transport (MRTN) shares does Robert L. Demorest hold after this Form 4?

After the reported grant, Robert L. Demorest directly holds 58,894 shares of Marten Transport Common Stock. This total reflects his position following the 4,100-share award disclosed in the Form 4 insider filing.

Was the Marten Transport (MRTN) insider transaction a stock purchase or a grant?

The transaction was a grant of shares, not an open-market purchase. The Form 4 classifies it as a “Grant, award, or other acquisition” with a transaction price of $0.00 per share, consistent with equity compensation.

What does the transaction code A mean in the Marten Transport (MRTN) Form 4?

The transaction code “A” on the Marten Transport Form 4 indicates a grant, award, or other acquisition of shares. In this case, it reflects a non-cash equity award of 4,100 shares of Common Stock to director Robert L. Demorest.

Does the Marten Transport (MRTN) Form 4 show any insider share sales?

The Form 4 does not report any insider share sales. It shows one acquisition transaction: a grant of 4,100 shares of Common Stock to director Robert L. Demorest as a compensation-related award.