PACCAR director exercises 6,980 stock units

PACCAR INC director Cynthia A. Niekamp reported routine equity compensation activity involving restricted stock units.

Rhea-AI Filing Summary

PACCAR INC director Cynthia A. Niekamp reported routine equity compensation activity involving restricted stock units. She exercised 6,980.5734 stock units from a deferred phantom stock account into an equal number of common shares. To cover related tax obligations, 105 shares were withheld at a reference price of $114.31 per share. After these transactions, she directly holds 7,019.5734 PACCAR common shares, and the exercised deferred units no longer remain outstanding as derivatives.

Insider Trade Summary

6,980.5734 shares exercised/converted

Exercise 3 txns

Insider NIEKAMP CYNTHIA A

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Units (RSDCP)	6,980.5734	$0.00	$0.00
Exercise	Common Stock	6,980.5734	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	105	$114.31	$12K

Holdings After Transaction: Stock Units (RSDCP) — 0 contracts (Direct); Common Stock — 7,019.5734 shares (Direct)

Footnotes (3)

1. F1. Restricted stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation for non-Employee Directors (RSDCP) converted to common stock on a one-for-one basis upon retirement.
2. F2. Shares withheld for payment of tax liability in connection with the vesting of restricted shares and/or restricted stock units.
3. F3. 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.

Key Figures

Units exercised: 6,980.5734 units Shares withheld for tax: 105 shares Reference price per share: $114.31/share +3 more

6 metrics

Units exercised 6,980.5734 units Restricted stock units converted to PACCAR common stock

Shares withheld for tax 105 shares Withheld to satisfy tax liability on vesting

Reference price per share $114.31/share Price used for tax-withholding disposition

Shares held after transaction 7,019.5734 shares Direct PACCAR common stock ownership post-transaction

Exercise transactions 1 exercise, 6,980.5734 shares Derivative exercise/conversion count and size

Tax-withholding transactions 1 transaction, 105 shares Payment of tax liability via share withholding

Key Terms

Restricted stock units, deferred phantom stock account, tax liability, derivative security, +1 more

5 terms

Restricted stock units financial

"Restricted stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation for non-Employee Directors (RSDCP) converted to common stock"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

deferred phantom stock account financial

"Restricted stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation for non-Employee Directors (RSDCP)"

tax liability financial

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

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP) financial

"Restricted stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for non-Employee Directors (RSDCP)"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did PACCAR (PCAR) director Cynthia Niekamp report in this Form 4?

Cynthia A. Niekamp reported exercising 6,980.5734 stock units into PACCAR common stock and a related 105-share tax withholding. The filing reflects routine equity compensation activity rather than an open-market purchase or sale of shares.

How many PACCAR (PCAR) shares did Cynthia Niekamp acquire through this transaction?

She acquired 6,980.5734 PACCAR common shares by converting restricted stock units in a deferred phantom stock account on a one-for-one basis. These units were part of the PACCAR Restricted Stock and Deferred Compensation Plan for non-employee directors.

Why were 105 PACCAR (PCAR) shares withheld in Cynthia Niekamp’s Form 4?

The filing shows 105 shares withheld to pay tax liability connected to the vesting of restricted shares and/or restricted stock units. This is a non-market, administrative disposition used to satisfy tax obligations on equity compensation.

What is Cynthia Niekamp’s PACCAR (PCAR) shareholding after these transactions?

After the reported transactions, Cynthia A. Niekamp directly holds 7,019.5734 PACCAR common shares. The previously deferred restricted stock units in the phantom account were fully converted and no longer appear as a separate derivative position.

How were the PACCAR (PCAR) restricted stock units converted in this Form 4?

Restricted stock units in a deferred phantom stock account under PACCAR’s non-employee director plan converted to common stock on a one-for-one basis. This occurred in connection with plan terms that provide for conversion upon retirement or satisfaction of vesting conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/11/2026 - 03:58 PM EDT 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 WASHINGTON 98004

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/08/2026		M(1)		6,980.5734	A	$0.0000(1)	7,124.5734	D
Common Stock	05/08/2026		F(2)		105	D	$114.31	7,019.5734	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)	05/08/2026		M(1)			6,980.5734	(3)	(3)	Common Stock	6,980.5734	$0.0000(1)	0.0000	D

Explanation of Responses:

1. Restricted stock units held in deferred phantom stock account under PACCAR Restricted Stock and Deferred Compensation for non-Employee Directors (RSDCP) converted to common stock on a one-for-one basis upon retirement.

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 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.

	Michael R. Beers, by Power of Attorney	05/11/2026
	** 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.
* Form 4: SEC 1474 (03-26)