PACCAR INC — Director's Dealing 2026

Jan 2, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2026-01-01

Reporting Person: WALTON MICHAEL K (VICE PRESIDENT/GENERAL COUNSEL)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-01	Common Stock	M	1671.0000	—	Acquired	3003.0000	Direct
2026-01-02	Common Stock	F	488.0000	$109.5100	Disposed	2515.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-01	Stock Units (LTIP)	$	M	1671.0000	Disposed		Common Stock (1671.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6588.5290	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option	$62.8667	2032-02-07	Common Stock (1302.0000)	1302.0000	Direct
Stock Option	$71.9500	2033-02-08	Common Stock (7918.0000)	7918.0000	Direct
Stock Option	$104.1600	2034-02-05	Common Stock (6108.0000)	6108.0000	Direct
Stock Option	$109.1300	2035-02-03	Common Stock (5844.0000)	5844.0000	Direct
Stock Units (DCP)	$		Common Stock (13707.5390)	13707.5390	Direct

Footnotes

F1: Restricted stock units converted to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.

F2: Shares withheld for payment of tax liability in connection with the vesting of restricted shares and/or restricted stock units.

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.