PACCAR INC — Director's Dealing 2026

Feb 10, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2026-02-06

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-06	Stock Option	$127.3500	A	5674.0000	Acquired	2036-02-06	Common Stock (5674.0000)	Direct
2026-02-06	Stock Units (LTIP)	$	A	1958.0000	Acquired		Common Stock (1958.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2515.0000	Direct
Common Stock	6675.1630	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 (13873.9800)	13873.9800	Direct

Footnotes

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.