[Form 4] Paccar Inc Insider Trading Activity

Rhea-AI Filing Summary

Cynthia A. Niekamp, a director of PACCAR Inc. (PCAR), reported changes in her beneficial ownership on Form 4. The filing shows a reported transaction dated 09/04/2025. The form records a disposition of 144 shares of Common Stock and a movement in derivative holdings under the PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP). The entry lists 17.7904 Stock Units (noted as dividend reinvestment) and reports 5,312.3304 units of restricted stock unit-related holdings following the reported transactions. The filing includes an explanatory note that RSDCP units convert 1-for-1 into common stock upon vesting and that dividends on RSUs were reinvested into additional RSUs. The Form 4 is signed by an attorney-in-fact, Michael R. Beers, dated 09/05/2025.

Insights

Financial Analyst

TL;DR Insider reported a small sale of common stock and an increase in deferred restricted stock units through reinvested dividends.

The transaction shows a reported disposition of 144 shares of Common Stock and activity in PACCAR's director deferred compensation plan with 17.7904 stock units noted as dividend reinvestment, leaving 5,312.3304 RSDCP units following the transactions. From an investor perspective, the filing documents routine director-level compensation deferral and dividend reinvestment rather than a substantive change in ownership control. The data are specific to equity compensation mechanics; no new material corporate actions, financing events, or changes in board composition are disclosed in this Form 4.

Corporate Governance Expert

TL;DR Director-level disclosure reflects routine compensation plan activity and a minor open-market or plan-related disposition.

The filing clarifies that restricted stock units under PACCAR's RSDCP convert 1-for-1 to common stock upon vesting and that dividends were reinvested as additional RSUs. The reported 144-share disposition alongside retained deferred units is consistent with routine portfolio/compensation management by a non-employee director. The signature by power of attorney is noted, indicating the report was executed by an authorized representative. This Form 4 contains governance-related transparency but does not indicate governance changes or related-party transactions beyond standard director compensation treatment.

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
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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^*

NIEKAMP CYNTHIA A

(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)
09/04/2025

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								144	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 (RSDCP)	(1)	09/04/2025		J(2)		17.7904		(1)	(1)	Common Stock	17.7904	$98.21	5,312.3304	D

Explanation of Responses:

1. 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.

2. 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	09/05/2025
	** 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 did Cynthia A. Niekamp report on the Form 4 for PCAR?

The Form 4 reports a disposition of 144 shares of Common Stock and activity in restricted stock units under PACCAR's RSDCP, including 17.7904 stock units noted as dividend reinvestment and 5,312.3304 RSDCP units held following the transactions.

When were the transactions in the PCAR Form 4 dated?

The transaction date shown on the Form 4 is 09/04/2025, and the form is signed by power of attorney on 09/05/2025.

What is the PACCAR RSDCP referenced in the filing?

The filing explains the RSDCP are restricted stock units held in a deferred phantom stock account for non-employee directors that convert 1-for-1 to common stock upon vesting and permit dividend reinvestment into additional RSUs.

How many restricted stock units does the Form 4 show after the reported transactions?

The Form 4 reports 5,312.3304 restricted stock unit-related holdings following the reported transactions.

Who signed the Form 4 for Cynthia A. Niekamp?

The Form 4 was signed by Michael R. Beers, by Power of Attorney on 09/05/2025.