PACCAR (PCAR) vice president updates SIP dividend and equity holdings

Rhea-AI Filing Summary

PACCAR Inc vice president Craig R. Gryniewicz reported an administrative update to his holdings. On March 4, 2026, a dividend on shares held in the PACCAR Savings Investment Plan (SIP) was reinvested, adding 19.537 common shares at $124.92 per share to his indirect SIP holdings.

The filing also updates his direct positions, including several stock option grants with post‑transaction balances such as 9,016, 8,832, 8,636, 8,014, and 6,872 options, plus 3,627 stock units under the Long Term Incentive Plan and 6,234 directly held common shares.

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

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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^*

Gryniewicz Craig 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)

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

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)		19.537	A	$124.92	7,546.978(2)	I	By PACCAR Savings Investment Plan (SIP)
Common Stock								6,234	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 Option	$62.8667							01/01/2025	02/07/2032	Common Stock	8,832		8,832	D
Stock Option	$71.95							01/01/2026	02/08/2033	Common Stock	9,016		9,016	D
Stock Option	$104.16							01/01/2027	02/05/2034	Common Stock	6,872		6,872	D
Stock Option	$109.13							01/01/2028	02/03/2035	Common Stock	8,636		8,636	D
Stock Option	$127.35							01/01/2029	02/06/2036	Common Stock	8,014		8,014	D
Stock Units (LTIP)	(3)							(3)	(3)	Common Stock	3,627		3,627	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. 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.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did PACCAR (PCAR) report for Craig R. Gryniewicz?

PACCAR reported that vice president Craig R. Gryniewicz had a dividend on PACCAR Savings Investment Plan (SIP) shares reinvested. This added 19.537 common shares at $124.92 per share to his indirect SIP holdings and updated his various option and stock unit balances.

How many PACCAR common shares were added through the SIP dividend reinvestment?

The SIP dividend reinvestment added 19.537 PACCAR common shares to Craig R. Gryniewicz’s indirect holdings. These shares were credited within the PACCAR Savings Investment Plan at a price of $124.92 per share, reflecting dividend reinvestment rather than an open-market purchase or sale.

What indirect PACCAR holdings does Craig R. Gryniewicz have after the SIP transaction?

Following the SIP dividend reinvestment, Craig R. Gryniewicz’s indirect PACCAR common stock balance held by the PACCAR Savings Investment Plan is 7,546.978 shares. This reflects plan-held shares with dividends reinvested according to the plan’s terms rather than personal trading activity.

What PACCAR stock options does Craig R. Gryniewicz hold according to the Form 4?

Craig R. Gryniewicz holds several PACCAR stock option positions directly, with post-transaction balances of 8,832, 9,016, 6,872, 8,636, and 8,014 options. These entries are reported as holdings updates, without specified buy or sell transactions on the reported date.

What are Craig R. Gryniewicz’s PACCAR Long Term Incentive Plan (LTIP) units?

The filing shows 3,627 stock units under PACCAR’s Long Term Incentive Plan held directly by Craig R. Gryniewicz. Footnotes state these are restricted stock units in a deferred phantom stock account, convertible to common stock on a one-for-one basis after vesting conditions are met.

How many PACCAR common shares does Craig R. Gryniewicz hold directly after these updates?

After the reported updates, Craig R. Gryniewicz directly holds 6,234 PACCAR common shares. This figure is separate from his indirect holdings through the PACCAR Savings Investment Plan and from his stock options and Long Term Incentive Plan stock units.