COST holder plans $973K sale of 1,001 shares

Filer submitted a Form 144 reporting proposed and recent transactions in Common Stock.

Rhea-AI Filing Summary

Filer submitted a Form 144 reporting proposed and recent transactions in Common Stock. The notice lists two restricted stock vesting entries of 528 shares (vesting 09/16/2024) and 473 shares (vesting 10/22/2024) that are listed under "Securities To Be Sold." The filing also reports that Patrick Callans sold 1,000 shares on 06/05/2026 for $995,372.70.

Insights

Securities Compliance Analyst

Form 144 lists proposed sales tied to vested restricted stock and a recent 1,000-share sale.

The filing records two restricted stock vesting line items of 528 and 473 shares described as "Securities To Be Sold." It separately reports a past sale by Patrick Callans of 1,000 shares on 06/05/2026 with an aggregate figure of $995,372.70.

These notices are typical compliance steps for reporting proposed insider dispositions under resale rules; cash‑flow treatment and any broker methods are not specified in the excerpt.

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Accepted by SEC EDGAR 06/12/2026 - 11:39 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001764273
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	COSTCO WHOLESALE CORP /NEW
SEC File Number	000-20355
Address of Issuer	999 LAKE DRIVE ISSAQUAH WASHINGTON 98027-
Phone	4253138100
Name of Person for Whose Account the Securities are To Be Sold	Callans Patrick J
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Former Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1001	972848.27	443478804	06/12/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/16/2024	Restricted Stock Vesting	Issuer			528	09/16/2024	Compensation
Common	10/22/2024	Restricted Stock Vesting	Issuer			473	10/22/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Patrick Callans 999 Lake Drive Issaquah WA 98027	Common	06/05/2026	1000	995372.70

144: Remarks and Signature

Remarks
Date of Notice	06/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick J. Callans.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)