Dividend reinvestment boosts PACCAR (PCAR) director Pierre Breber’s deferred stock units

Rhea-AI Filing Summary

PACCAR INC director Pierre R. Breber reported routine deferred stock unit adjustments tied to dividends rather than open-market trades. On stock units, 8.3989 units were added at a reference price of $124.92, bringing his balance to 3,187.7506 units. In the PACCAR Restricted Stock and Deferred Compensation Plan for non-employee directors (RSDCP), 11.0023 stock units were similarly credited, raising that balance to 4,175.8871 units. These phantom and restricted stock units are convertible into PACCAR common stock on a 1-for-1 basis upon termination as a non-employee director or after vesting conditions are met. He also reported holding 13,015 shares of common stock directly.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Breber Pierre R

(Last) (First) (Middle)

777 - 106TH AVE. N.E.

(Street)

BELLEVUE WA 98004

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PACCAR INC [ PCAR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock								13,015	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Units	(1)	03/04/2026		J(2)		8.3989		(1)	(1)	Common Stock	8.3989	$124.92	3,187.7506	D
Stock Units (RSDCP)	(3)	03/04/2026		J(4)		11.0023		(3)	(3)	Common Stock	11.0023	$124.92	4,175.8871	D

Explanation of Responses:

1. 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.

2. Dividend on stock units held in phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP) reinvested in additional stock units pursuant to RSDCP.

3. 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.

4. Dividend on restricted stock units under PACCAR Restricted Stock and Deferred Compensation Plan (RSDCP) reinvested in additional restricted stock units pursuant to RSDCP.

	Michael R. Beers, by Power of Attorney	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transactions did PACCAR (PCAR) director Pierre R. Breber report?

Pierre R. Breber reported adjustments in deferred stock units linked to dividends, not open-market trades. 8.3989 stock units and 11.0023 RSDCP stock units were credited, reflecting dividend reinvestment in PACCAR’s non-employee director deferred compensation plans.

How many PACCAR stock units does Pierre R. Breber hold after this Form 4?

After the reported transactions, Pierre R. Breber holds 3,187.7506 stock units and 4,175.8871 RSDCP stock units. These are phantom and restricted stock units under PACCAR’s non-employee director plans, each convertible into PACCAR common shares on a 1-for-1 basis under specified conditions.

Are Pierre R. Breber’s PACCAR stock units directly convertible to common stock?

Yes. The stock units and RSDCP units are convertible into PACCAR common stock on a 1-for-1 basis. Conversion occurs upon termination of his status as a non-employee director or after vesting conditions are satisfied for restricted stock units.

Did the PACCAR (PCAR) Form 4 show any open-market stock purchases or sales?

No open-market purchases or sales were reported. The Form 4 shows “J” code transactions classified as other acquisitions or dispositions, specifically dividend reinvestments into deferred phantom stock and restricted stock units under PACCAR’s non-employee director compensation plans.

How many PACCAR common shares does Pierre R. Breber directly own?

Pierre R. Breber reported direct ownership of 13,015 PACCAR common shares. This figure is separate from his deferred phantom and restricted stock units, which are tracked in plan accounts and may convert into additional common shares under the plan’s terms.

What is the PACCAR RSDCP mentioned in Pierre R. Breber’s Form 4?

The PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP) provides phantom and restricted stock units. Dividends on these units are reinvested into additional units, which can convert to PACCAR common stock on a 1-for-1 basis after termination or vesting.