PACCAR (PCAR) vice president logs RSU conversion and tax share withholding

Rhea-AI Filing Summary

PACCAR Inc Vice President Craig R. Gryniewicz reported equity award activity and related tax withholding. On March 1, 2026, 633 stock units (LTIP) were converted into an equal number of PACCAR common shares at no cost upon vesting. On March 2, 2026, 250 common shares were withheld at $126.09 per share to cover tax liabilities tied to vested restricted shares and units, leaving 6,234 common shares held directly, plus additional stock units, options, and indirect holdings in a savings plan.

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)
03/01/2026

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	03/01/2026		M(1)		633	A	$0(1)	6,484	D
Common Stock	03/02/2026		F(2)		250	D	$126.09	6,234	D
Common Stock								7,392.728	I	By PACCAR Savings Investment Plan (SIP)

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 (LTIP)	(3)	03/01/2026		M(1)			633	(3)	(3)	Common Stock	633	(3)	3,627	D
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

Explanation of Responses:

1. Restricted stock units converted to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.

2. Shares withheld for payment of tax liability in connection with the vesting of restricted shares and/or restricted stock units.

3. Restricted stock units awarded under PACCAR Long Term Incentive Plan (LTIP) and convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions. Each award vests in four equal installments commencing on March 1 following the award and January 1 of the next three years.

	Michael R. Beers, by Power of Attorney	03/02/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did PACCAR (PCAR) Vice President Craig R. Gryniewicz report?

Craig R. Gryniewicz reported vesting-related equity activity. On March 1, 2026, 633 stock units under the LTIP converted into 633 common shares. On March 2, 2026, 250 common shares were withheld to satisfy tax liabilities associated with those and other vested restricted awards.

How many PACCAR (PCAR) shares were acquired or issued in this Form 4 filing?

The filing shows 633 stock units under the PACCAR Long Term Incentive Plan converting one-for-one into 633 common shares on March 1, 2026. This derivative exercise reflected the vesting of restricted stock units, with no cash exercise price reported for the conversion transaction.

Why were 250 PACCAR (PCAR) shares disposed of in this Form 4?

The 250 common shares were withheld to pay tax liabilities arising from the vesting of restricted shares and restricted stock units. This tax-withholding disposition, reported at $126.09 per share, is an administrative step rather than an open-market sale by the executive.

What PACCAR (PCAR) equity holdings does Craig R. Gryniewicz report after these transactions?

After the reported transactions, Gryniewicz holds 6,234 PACCAR common shares directly, plus 3,627 stock units under the Long Term Incentive Plan. He also reports several direct stock option positions and 7,392.728 common shares held indirectly through the PACCAR Savings Investment Plan.

What is the nature of the PACCAR (PCAR) LTIP stock units in this Form 4?

The LTIP restricted stock units convert into common stock on a one-for-one basis after vesting. Each award vests in four equal installments starting March 1 following the grant, then on January 1 of the next three years, aligning executive compensation with long-term company performance.

Did Craig R. Gryniewicz execute any open-market buys or sells of PACCAR (PCAR) stock?

The reported transactions are equity award-related, not open-market trades. They include conversion of 633 LTIP stock units into common shares and withholding of 250 shares to cover taxes. No open-market purchase or sale code is indicated in the provided transactions.