Director Jerry Bauer of Marten Transport (NASDAQ: MRTN) receives 4,100-share equity grant

Rhea-AI Filing Summary

BAUER JERRY M reported acquisition or exercise transactions in this Form 4 filing.

Jerry M. Bauer, a director of Marten Transport Ltd, received a grant of 4,100 shares of common stock on May 5, 2026. The shares were awarded at $0.00 per share, indicating a compensation-related grant rather than an open-market purchase. After this award, Bauer directly holds 185,044 shares of Marten Transport common stock. This filing reflects routine equity compensation and does not involve any share sales.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider BAUER JERRY M

Role null

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

Holdings After Transaction: Common Stock — 185,044 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 4,100 shares Grant price: $0.00 per share Holdings after transaction: 185,044 shares

3 metrics

Shares granted 4,100 shares Common Stock grant on May 5, 2026

Grant price $0.00 per share Award classification as compensation grant

Holdings after transaction 185,044 shares Total direct common stock held by Jerry M. Bauer after grant

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^*

BAUER JERRY M

(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	185,044	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 Jerry M. Bauer?

Marten Transport reported that director Jerry M. Bauer received a grant of 4,100 shares of common stock. The award was recorded at $0.00 per share, reflecting equity compensation rather than a market purchase, and increased his direct holdings to 185,044 shares.

Was the Marten Transport (MRTN) transaction a buy or a compensation grant?

The transaction was a compensation-related grant, not an open-market buy. Jerry M. Bauer received 4,100 shares at $0.00 per share, classified as a “Grant, award, or other acquisition” under code A, which typically represents board or employee equity awards.

How many Marten Transport (MRTN) shares does Jerry M. Bauer hold after this Form 4?

Following the reported grant, Jerry M. Bauer directly holds 185,044 shares of Marten Transport common stock. This total reflects his position after receiving the 4,100-share award disclosed in the Form 4 insider transaction filing for May 5, 2026.

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

The Form 4 does not report any insider share sales. It only shows an acquisition of 4,100 common shares by director Jerry M. Bauer as a grant at $0.00 per share, with no corresponding dispositions or open-market sale transactions disclosed.

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

Transaction code A on the Form 4 stands for “Grant, award, or other acquisition.” In this case, it indicates that Jerry M. Bauer received 4,100 Marten Transport common shares as an equity award, rather than buying them on the open market.

Is Jerry M. Bauer’s Marten Transport (MRTN) holding direct or indirect after this grant?

The filing classifies Jerry M. Bauer’s ownership as direct. After receiving the 4,100-share grant of common stock, his total direct holdings in Marten Transport increased to 185,044 shares, with no indirect ownership structures indicated in the reported data.