William M. Rusty Rush - 13 Mar 2026 Form 4 Insider Report for RUSH ENTERPRISES INC \TX\ (RUSHA)

Role: CEO, President and COB, Director, 10%+ Owner
Signature: /s/ Steven L. Keller, Attorney in Fact for W.M. "Rusty" Rush
Issuer symbol: RUSHA
Transactions as of: 13 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 17 Mar 2026, 19:50:23 UTC
Previous filing: 18 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
RUSH WILLIAM M RUSTY	CEO, President and COB, Director, 10%+ Owner	555 IH 35 SOUTH, SUITE 500, NEW BRAUNFELS	/s/ Steven L. Keller, Attorney in Fact for W.M. "Rusty" Rush	17 Mar 2026	0001211953

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RUSHA	Class B Common Stock	Award		+50,000	+6.2%	$0.000000^*	853,344	13 Mar 2026	Direct	F1, F2
transaction	RUSHA	Class B Common Stock	Tax liability		-13,773	-1.6%	$59.69^*	839,571	15 Mar 2026	Direct	F2, F3, F4
transaction	RUSHA	Class B Common Stock	Tax liability		-9,182	-1.1%	$59.69^*	830,389	15 Mar 2026	Direct	F2, F4, F5
transaction	RUSHA	Class B Common Stock	Tax liability		-9,182	-1.1%	$59.69^*	821,207	14 Mar 2026	Direct	F2, F4, F6
holding	RUSHA	Class A Common Stock						174,154	13 Mar 2026	Direct	F7
holding	RUSHA	Class B Common Stock						6,612,102	13 Mar 2026	By 3MR Partners, L.P.
holding	RUSHA	Class A Common Stock						6,184	13 Mar 2026	By 3MR Partners, L.P.

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RUSHA	Option (right to buy)	Award		+35,000		$0.000000^*	35,000	13 Mar 2026	Class A Common Stock	35,000	$61.75	Direct	F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the grant of restricted stock. The restricted stock vests in increments of 1/3 on each of the first, second and third anniversary of the grant date, which is March 13, 2026.
F2	Includes shares of unvested restricted stock and certain shares included in the Company's deferred compensation plan.
F3	Shares reported are shares not reported to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock that occurred on March 15, 2023.
F4	The price reported was the closing share price on March 13, 2026.
F5	Shares reported are shares not reported to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock that occurred on March 15, 2024.
F6	Shares reported are shares not reported to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock that occurred on March 14, 2025.
F7	Includes certain shares included in the Company's deferred compensation plan.
F8	Options may be exercised in increments of 1/3 on each anniversary of the grant date beginning on the third anniversary of the grant date. The grant date is ten years prior to the expiration date.