Pierre R. Breber - 02 Jan 2026 Form 4 Insider Report for PACCAR INC (PCAR)

Role: Director
Signature: Michael R. Beers, by Power of Attorney
Issuer symbol: PCAR
Transactions as of: 02 Jan 2026
Net transactions value: +$225,038
Form type: 4
Filing time: 05 Jan 2026, 19:19:22 UTC
Previous filing: 05 Jan 2026
Next filing: 08 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Breber Pierre R	Director	777 - 106TH AVE. N.E., BELLEVUE	Michael R. Beers, by Power of Attorney	05 Jan 2026	0001594960

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	PCAR	Common Stock						13,015	02 Jan 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
transaction	PCAR	Stock Units	Other	$50,000	+448	+17%	$111.56	3,147	02 Jan 2026	Common Stock	448		Direct	F1, F2, F3
transaction	PCAR	Stock Units (RSDCP)	Award	$175,038	+1,569	+61%	$111.56	4,134	02 Jan 2026	Common Stock	1,569		Direct	F4

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

Explanation of Responses:

Id	Content
F1	Stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP) convertible to PACCAR common stock on a 1-for-1 basis upon termination of the Reporting Person's status as a non-employee director.
F2	Cash compensation deferred into phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for Non-Employee Directors (RSDCP).
F3	Includes a total of 103.605 stock units that were inadvertently omitted from the reporting person's Forms 4 filed between April 2, 2025 and December 5, 2025.
F4	Restricted stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP) convertible to PACCAR common stock on a 1-for-1 basis upon satisfaction of all applicable vesting conditions.