PACCAR (PCAR) director Cynthia Niekamp adds RSDCP stock units via dividend

Rhea-AI Filing Summary

PACCAR Inc director Cynthia A. Niekamp reported an update to her equity holdings as a non-employee director. On January 7, 2026, a dividend on her restricted stock units under the PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP) was reinvested into 64.6997 additional stock units at a reference price of $115.3 per unit. These stock units are held in a deferred phantom stock account and are convertible into PACCAR common stock on a 1-for-1 basis once vesting conditions are met.

Following this transaction, Niekamp beneficially owns 6,962.1815 stock units under the RSDCP and 144 shares of PACCAR common stock, all reported as directly held. The transaction is coded as "J," reflecting a non-open market, plan-based adjustment rather than a discretionary market trade.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider NIEKAMP CYNTHIA A

Role Director

Type	Security	Shares	Price	Value
Other	Stock Units (RSDCP)	64.7	$115.30	$7K
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Units (RSDCP) — 6,962.182 shares (Direct); Common Stock — 144 shares (Direct)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

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)
01/07/2026

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)	01/07/2026		J(2)		64.6997		(1)	(1)	Common Stock	64.6997	$115.3	6,962.1815	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	01/08/2026
	** 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 activity did PACCAR (PCAR) report for Cynthia A. Niekamp?

PACCAR reported that director Cynthia A. Niekamp had a dividend on her restricted stock units under the RSDCP reinvested into 64.6997 additional stock units on January 7, 2026, increasing her deferred stock unit holdings.

How many PACCAR stock units does Cynthia A. Niekamp hold after this Form 4 transaction?

After the reported transaction, Cynthia A. Niekamp beneficially owns 6,962.1815 stock units under the PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP).

Does Cynthia A. Niekamp hold PACCAR common stock in addition to stock units?

Yes. The Form 4 shows that she beneficially owns 144 shares of PACCAR common stock, reported as held directly, alongside her deferred stock units under the RSDCP.

What does the transaction code "J" mean in Cynthia Niekamp’s PACCAR Form 4?

The transaction code "J" indicates a non-open market, plan-related transaction. In this case, it reflects that a dividend on existing restricted stock units was reinvested into additional stock units under the PACCAR RSDCP.

How are PACCAR RSDCP stock units held by Cynthia Niekamp treated?

The footnotes explain that these are restricted stock units held in a deferred phantom stock account under the PACCAR RSDCP for non-Employee Directors. They are convertible into PACCAR common stock on a 1-for-1 basis once all applicable vesting conditions are met.

Was the PACCAR dividend on Cynthia Niekamp’s restricted stock units paid in cash or stock units?

According to the disclosure, the dividend on the restricted stock units under the PACCAR RSDCP was reinvested in additional restricted stock units, rather than paid out in cash.