PACCAR INC — Director's Dealing 2026

Jan 8, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2026-01-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-07	Common Stock	J	79.2080	$115.3000	Acquired	6675.1630	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-07	Stock Units (DCP)	$	J	166.4410	Acquired		Common Stock (166.4410)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2515.0000	Direct

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 (LTIP)	$		Common Stock (1529.0000)	1529.0000	Direct

Footnotes

F1: Dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP.

F2: Balance includes shares awarded under PACCAR Savings Investment Plan (Company match) in exempt transaction(s) under Rule16b-3(c) and Rule 16b-3(d).

F3: 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.

F4: Dividend on share units held in deferred phantom stock account under PACCAR Deferred Compensation Plan (DCP) reinvested pursuant to DCP.

F5: 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.