PACCAR director reports dividend stock units

PACCAR INC director Cynthia A. Niekamp reported an administrative change in deferred stock units rather than an open-market trade.

Rhea-AI Filing Summary

PACCAR INC director Cynthia A. Niekamp reported an administrative change in deferred stock units rather than an open-market trade. On March 4, 2026, a dividend on existing restricted stock units under PACCAR's Restricted Stock and Deferred Compensation Plan for non-employee directors was reinvested into 18.3919 additional stock units at $124.92 per unit.

These restricted stock units are held in a deferred phantom stock account and are convertible into PACCAR common stock on a 1-for-1 basis after vesting conditions are met. Following this transaction, she held 6,980.5734 stock units in the plan and 144 shares of common stock in a separate direct holding line.

Insider Trade Summary

Other: 18.3919 shares

Other 2 txns

Insider NIEKAMP CYNTHIA A

Role Director

Type	Security	Shares	Price	Value
Other	Stock Units (RSDCP)	18.3919	$124.92	$2K
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Units (RSDCP) — 6,980.5734 contracts (Direct); Common Stock — 144 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Dividend on restricted stock units under PACCAR Restricted Stock and Deferred Compensation Plan (RSDCP) reinvested in additional restricted stock units pursuant to RSDCP.

FAQ

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What insider transaction did PACCAR (PCAR) director Cynthia Niekamp report?

PACCAR director Cynthia A. Niekamp reported a dividend reinvestment into restricted stock units, not an open-market trade. On March 4, 2026, 18.3919 additional stock units were credited to her deferred phantom stock account under PACCAR’s Restricted Stock and Deferred Compensation Plan.

How many PACCAR restricted stock units does the director hold after this Form 4?

After the reported transaction, Cynthia A. Niekamp held 6,980.5734 restricted stock units in PACCAR’s deferred phantom stock account. These units are under the Restricted Stock and Deferred Compensation Plan for non-employee directors and are convertible to common stock on a 1-for-1 basis upon vesting.

What price was used for the new PACCAR restricted stock units on March 4, 2026?

The 18.3919 additional restricted stock units were credited at a reference price of $124.92 per unit. This reflects the dividend reinvestment value for units under PACCAR’s Restricted Stock and Deferred Compensation Plan for non-employee directors on March 4, 2026.

Does the PACCAR Form 4 show any open-market stock purchases or sales?

The Form 4 does not show any open-market purchases or sales. It reports an “other” type transaction where dividends on existing restricted stock units were reinvested into additional phantom stock units within PACCAR’s non-employee director deferred compensation plan.

What PACCAR equity holdings does the director report as directly owned?

Cynthia A. Niekamp reports two types of direct equity-related holdings: 6,980.5734 restricted stock units in a deferred phantom stock account and 144 shares of PACCAR common stock. The common stock line is labeled as a holding with 144.0000 shares following the reported date.

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Accepted by SEC EDGAR 03/04/2026 - 06:39 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^*

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)
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								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)	03/04/2026		J(2)		18.3919		(1)	(1)	Common Stock	18.3919	$124.92	6,980.5734	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	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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