Costco (NASDAQ: COST) EVP trust reports sale of 1,500 shares of stock

Rhea-AI Filing Summary

Costco Wholesale Corp. insider activity: A trust associated with Sr. Executive Vice President Russell D. Miller reported selling 1,500 shares of Costco common stock on 01/09/2026 at $916.32 per share. After this transaction, the Miller Family Trust held 8,240 shares indirectly, and Miller also reported a small direct holding of 0.925 share of Costco common stock.

Insider Trade Summary

Net Seller: 1,500 shares ($1,374,480)

Net Sell 2 txns

Insider Miller Russell D

Role Sr. Executive Vice President

Sold 1,500 shs ($1.37M)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,500	$916.32	$1.37M
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 8,240 shares (Indirect, Miller Family Trust); Common Stock — 0.925 shares (Direct)

Footnotes (1)

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^*

Miller Russell D

(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)
	Sr. Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
01/09/2026

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	01/09/2026		S		1,500	D	$916.32	8,240	I	Miller Family Trust
Common Stock								0.925	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:

	/s/ Alejandro Torres, Attorney-in-Fact	01/12/2026
	** 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 transaction did Costco (COST) report for Russell D. Miller?

Sr. Executive Vice President Russell D. Miller, through the Miller Family Trust, reported selling 1,500 shares of Costco common stock on 01/09/2026.

At what price were the Costco (COST) shares sold in this Form 4?

The reported sale of Costco common stock was at a price of $916.32 per share.

How many Costco (COST) shares does the Miller Family Trust hold after the sale?

Following the reported transaction, the Miller Family Trust held 8,240 shares of Costco common stock indirectly.

Does Russell D. Miller have any directly held Costco (COST) shares after this filing?

Yes. The filing shows Russell D. Miller with a direct holding of 0.925 share of Costco common stock.

What is Russell D. Miller’s role at Costco (COST) in this filing?

Russell D. Miller is identified as an officer of Costco, holding the title Sr. Executive Vice President.

Is the reported Costco (COST) transaction direct or through an entity?

The 1,500-share sale is reported as an indirect transaction through the Miller Family Trust.