Form 4: Costco officer withholds shares for taxes; 6,515.004 owned

Rhea-AI Filing Summary

Costco Wholesale (COST) disclosed insider activity by an Executive Vice President. On October 22, 2025, the officer reported multiple code F transactions, which are share withholdings by the company to cover taxes upon the vesting of previously granted restricted stock units. The price used for withholding was $944.68, described as the Nasdaq closing price that day.

Following the transactions, the officer beneficially owns 6,515.004 shares, held directly. These entries reflect tax-related share withholding rather than open‑market sales.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Frates Caton

Role Executive Vice President

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	155.74	$944.68	$147K
Tax Withholding	Common Stock	247.66	$944.68	$234K
Tax Withholding	Common Stock	758.28	$944.68	$716K
Tax Withholding	Common Stock	901.26	$944.68	$851K
Tax Withholding	Common Stock	705.75	$944.68	$667K

Holdings After Transaction: Common Stock — 9,127.954 shares (Direct)

Footnotes (1)

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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^*

Frates Caton

(Last) (First) (Middle)

999 LAKE DRIVE

(Street)

ISSAQUAH WA 98027

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COSTCO WHOLESALE CORP /NEW [ COST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
10/22/2025

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	10/22/2025		F		155.74	D	$944.68(1)	9,127.954	D
Common Stock	10/22/2025		F		247.66	D	$944.68(1)	8,880.294	D
Common Stock	10/22/2025		F		758.28	D	$944.68(1)	8,122.014	D
Common Stock	10/22/2025		F		901.26	D	$944.68(1)	7,220.754	D
Common Stock	10/22/2025		F		705.75	D	$944.68(1)	6,515.004	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

Explanation of Responses:

1. This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2025.

	/s/ Alejandro Torres, Attorney-in-Fact	10/24/2025
	** 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.
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 did Costco (COST) disclose in this Form 4?

An Executive Vice President reported multiple code F transactions for tax withholding tied to RSU vesting on October 22, 2025.

What is transaction code F on the Costco (COST) Form 4?

Code F indicates the company withheld shares to cover taxes due upon vesting of previously granted restricted stock units.

At what price were Costco (COST) shares withheld for taxes?

The withholding price was $944.68, the Nasdaq closing price on October 22, 2025.

How many Costco (COST) shares does the reporting person now own?

Following the reported transactions, the officer beneficially owns 6,515.004 shares directly.

Were these open-market sales of Costco (COST) stock?

No. The filing explains these were company tax withholdings related to RSU vesting, not open‑market sales.

What role does the reporting person hold at Costco (COST)?

The reporting person is an Executive Vice President of Costco Wholesale Corporation.