PACCAR VP updates plan stock and unit holdings

PACCAR INC vice president and general counsel Michael K. Walton reported routine plan-related updates to his holdings, with no open-market buys or sells.

Rhea-AI Filing Summary

PACCAR INC vice president and general counsel Michael K. Walton reported routine plan-related updates to his holdings, with no open-market buys or sells. On March 4, 2026, dividends were reinvested at $124.92 per share in both a savings plan and a deferred compensation plan.

The filing shows 36.651 stock units credited under the PACCAR Deferred Compensation Plan (DCP), bringing his DCP stock unit balance to 13,910.631 units. It also reports 17.641 common shares held through the PACCAR Savings Investment Plan (SIP), raising that indirect SIP position to 6,803.955 shares.

Footnotes explain that SIP dividends were reinvested pursuant to the plan and that balances include prior company match awards. Additional lines update outstanding stock options, long-term incentive plan stock units, and directly held common stock as of the same date.

Insider Trade Summary

Other: 54.292 shares

Other 9 txns

Insider WALTON MICHAEL K

Role VICE PRESIDENT/GENERAL COUNSEL

Type	Security	Shares	Price	Value
Other	Stock Units (DCP)	36.651	$124.92	$5K
Other	Common Stock	17.641	$124.92	$2K
holding	Stock Option	--	--	--
holding	Stock Option	--	--	--
holding	Stock Option	--	--	--
holding	Stock Option	--	--	--
holding	Stock Option	--	--	--
holding	Stock Units (LTIP)	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Units (DCP) — 13,910.631 contracts (Direct); Common Stock — 6,803.955 shares (Indirect, By PACCAR Savings Investment Plan (SIP)); Stock Option — 26,846 contracts (Direct); Stock Units (LTIP) — 2,997 contracts (Direct); Common Stock — 2,885 shares (Direct)

Footnotes (5)

1. F1. Dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP.
2. 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).
3. 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.
4. F4. Dividend on share units held in deferred phantom stock account under PACCAR Deferred Compensation Plan (DCP) reinvested pursuant to DCP.
5. 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.

FAQ

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What insider activity did PACCAR (PCAR) report for Michael K. Walton on March 4, 2026?

PACCAR reported plan-related updates for Michael K. Walton on March 4, 2026, with no open-market buys or sells. The filing shows dividend reinvestments into the Savings Investment Plan and Deferred Compensation Plan, plus updated balances for stock options, long-term incentive units, and common stock.

How many PACCAR stock units did Michael K. Walton hold in the Deferred Compensation Plan after this Form 4?

After this Form 4, Michael K. Walton held 13,910.631 stock units in PACCAR’s Deferred Compensation Plan. On March 4, 2026, 36.651 additional stock units were credited from a dividend reinvested at a price of $124.92 per unit under the plan’s terms.

What change occurred in Michael K. Walton’s PACCAR Savings Investment Plan (SIP) holdings?

Walton’s PACCAR Savings Investment Plan holdings increased through dividend reinvestment. On March 4, 2026, 17.641 common shares were added at $124.92 per share, bringing his SIP-related indirect ownership to 6,803.955 shares, including shares previously awarded as company match under the plan.

What does the Form 4 reveal about PACCAR stock units and phantom shares for Michael K. Walton?

The Form 4 shows share units in a deferred phantom stock account under the PACCAR Deferred Compensation Plan, convertible to common stock on a one-for-one basis. It notes dividend reinvestment into this account and clarifies the units’ conversion occurs upon satisfaction of applicable plan conditions.

How are PACCAR dividends treated in Michael K. Walton’s SIP and DCP accounts?

PACCAR dividends in Walton’s SIP account are reinvested to buy additional shares under the plan. In his Deferred Compensation Plan account, dividends on phantom stock units are also reinvested, creating more stock units, all according to each plan’s reinvestment provisions described in the Form 4 footnotes.

What other PACCAR equity awards and holdings are updated for Michael K. Walton?

The filing updates balances for several PACCAR stock option grants, listing post-transaction amounts such as 1,302, 7,918, 6,108, 5,844, and 5,674 options. It also notes 2,997 stock units under the Long Term Incentive Plan and 2,885 shares of common stock held directly in his name.

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Accepted by SEC EDGAR 03/06/2026 - 12:42 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

WALTON MICHAEL K

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VICE PRESIDENT/GENERAL COUNSEL

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	03/04/2026		J(1)		17.641	A	$124.92	6,803.955(2)	I	By PACCAR Savings Investment Plan (SIP)
Common Stock								2,885	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 (DCP)	(3)	03/04/2026		J(4)		36.651		(3)	(3)	Common Stock	36.651	$124.92	13,910.631	D
Stock Option	$62.8667							01/01/2025	02/07/2032	Common Stock	1,302		1,302	D
Stock Option	$71.95							01/01/2026	02/08/2033	Common Stock	7,918		7,918	D
Stock Option	$104.16							01/01/2027	02/05/2034	Common Stock	6,108		6,108	D
Stock Option	$109.13							01/01/2028	02/03/2035	Common Stock	5,844		5,844	D
Stock Option	$127.35							01/01/2029	02/06/2036	Common Stock	5,674		5,674	D
Stock Units (LTIP)	(5)							(5)	(5)	Common Stock	2,997		2,997	D

Explanation of Responses:

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

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

3. 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.

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

5. 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.

	Michael R. Beers, by Power of Attorney	03/06/2026
	** 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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