[Form 4] PACCAR INC Insider Trading Activity

Rhea-AI Filing Summary

John Pigott, a director of PACCAR Inc. (PCAR), reported transactions on 10/01/2025. The filing shows a disposition of 2,283,953 shares of PACCAR common stock. Following the reported transactions, the reporting person retains beneficial ownership through several vehicles: 51,526 shares held indirectly via Grantor Retained Annuity Trusts and 1,079,416 shares held indirectly by a trust for children. The filing also reports derivative/phantom stock balances tied to the company’s non-employee director deferred compensation plan: 2,712.7447 stock units (disposed/executed at $97.71 reference) and 69,866.7065 stock units held in the RSDCP account. The Form 4 was signed by Michael R. Beers by power of attorney on 10/01/2025.

Insights

Securities Analyst

TL;DR: A large director stock disposition occurred while significant indirect holdings and deferred stock units remain.

The form shows a material outright disposition of 2,283,953 common shares, which is noteworthy for investor monitoring of insider selling. Despite the sale, the director maintains substantial indirect holdings totaling 1,130,942 shares across Grantor Retained Annuity Trusts and a trust for children, plus sizable deferred stock unit balances under the RSDCP totaling 69,866.7065 units and 2,712.7447 stock units noted in Table II. The filing is routine Form 4 disclosure; it documents the mechanics of cash deferrals and restricted stock units but includes no commentary on the purpose of the sale.

Corporate Governance Expert

TL;DR: Insider sale is significant in size; governance disclosure is complete but lacks explanatory context on sale rationale.

The disclosure complies with Section 16 reporting requirements and clarifies ownership forms: direct dispositions and indirect holdings via trusts and a deferred compensation plan for non-employee directors. The presence of large indirect holdings and deferred units suggests continued alignment with shareholders, though the filing does not state any intent or insider trading plan. From a governance perspective, the mechanics and plan accounts are transparently reported, but investors must rely solely on this transaction record without further narrative.

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).

1. Name and Address of Reporting Person^*

Pigott John

(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)
10/01/2025

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								2,283,953	D
Common Stock								51,526	I	By Grantor Retained Annuity Trusts
Common Stock								1,079,416	I	By Trust held for Children

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	(1)	10/01/2025		J(2)		358.2028		(1)	(1)	Common Stock	358.2028	$97.71	2,712.7447	D
Stock Units (RSDCP)	(3)							(3)	(3)	Common Stock	69,866.7065		69,866.7065	D

Explanation of Responses:

1. 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 termination of the Reporting Person's status as a non-employee director.

2. Cash compensation deferred into phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for Non-Employee Directors (RSDCP).

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	10/01/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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