Craig R. Gryniewicz - 04 Mar 2026 Form 4 Insider Report for PACCAR INC (PCAR)

Role: Vice President
Signature: Michael R. Beers, by Power of Attorney
Issuer symbol: PCAR
Transactions as of: 04 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 06 Mar 2026, 12:42:33 UTC
Previous filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Gryniewicz Craig R	Vice President	777 - 106TH AVE. N.E., BELLEVUE	Michael R. Beers, by Power of Attorney	06 Mar 2026	0002052486

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PCAR	Common Stock	Other		+20	+0.26%	$124.92^*	7,547	04 Mar 2026	By PACCAR Savings Investment Plan (SIP)	F1, F2
holding	PCAR	Common Stock						6,234	04 Mar 2026	Direct

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
holding	PCAR	Stock Option						8,832	04 Mar 2026	Common Stock	8,832	$62.87	Direct
holding	PCAR	Stock Option						9,016	04 Mar 2026	Common Stock	9,016	$71.95	Direct
holding	PCAR	Stock Option						6,872	04 Mar 2026	Common Stock	6,872	$104.16	Direct
holding	PCAR	Stock Option						8,636	04 Mar 2026	Common Stock	8,636	$109.13	Direct
holding	PCAR	Stock Option						8,014	04 Mar 2026	Common Stock	8,014	$127.35	Direct
holding	PCAR	Stock Units (LTIP)						3,627	04 Mar 2026	Common Stock	3,627		Direct	F3

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

Explanation of Responses:

Id	Content
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	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.