Michael K. Walton - 06 Feb 2026 Form 4 Insider Report for PACCAR INC (PCAR)

Role: VICE PRESIDENT/GENERAL COUNSEL
Signature: Michael R. Beers, by Power of Attorney
Issuer symbol: PCAR
Transactions as of: 06 Feb 2026
Net transactions value: +$249,351
Form type: 4
Filing time: 10 Feb 2026, 13:50:44 UTC
Previous filing: 08 Jan 2026
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
WALTON MICHAEL K	VICE PRESIDENT/GENERAL COUNSEL	777 - 106TH AVE. N.E., BELLEVUE	Michael R. Beers, by Power of Attorney	06 Feb 2026	0001819549

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	PCAR	Common Stock						2,515	06 Feb 2026	Direct
holding	PCAR	Common Stock						6,675	06 Feb 2026	By PACCAR Savings Investment Plan (SIP)

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	PCAR	Stock Option	Award		+5,674			5,674	06 Feb 2026	Common Stock	5,674	$127.35	Direct	F1
transaction	PCAR	Stock Units (LTIP)	Award	$249,351	+1,958	+128%	$127.35	3,487	06 Feb 2026	Common Stock	1,958		Direct	F2, F3
holding	PCAR	Stock Option						1,302	06 Feb 2026	Common Stock	1,302	$62.87	Direct
holding	PCAR	Stock Option						7,918	06 Feb 2026	Common Stock	7,918	$71.95	Direct
holding	PCAR	Stock Option						6,108	06 Feb 2026	Common Stock	6,108	$104.16	Direct
holding	PCAR	Stock Option						5,844	06 Feb 2026	Common Stock	5,844	$109.13	Direct
holding	PCAR	Stock Units (DCP)						13,874	06 Feb 2026	Common Stock	13,874		Direct	F4

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

Explanation of Responses:

Id	Content
F1	Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP).
F2	Restricted stock units held in deferred phantom stock account under Long Term Incentive Plan (LTIP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.
F3	Restricted stock units awarded under PACCAR Long Term Incentive Plan (LTIP) and convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions. Each award vests in four equal installments commencing on March 1 following the award and January 1 of the next three years.
F4	Share units held in deferred phantom stock account under PACCAR Deferred Compensation Plan (DCP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable conditions.