Costco Wholesale insider files Form 144 to sell 4K shares worth $3.9M

Rhea-AI Filing Summary

Costco Wholesale Corp. (COST) – Form 144 filing: An unidentified insider has filed notice of intent to dispose of 4,000 common shares through Fidelity Brokerage Services on or about 14 Jul 2025. The proposed sale is valued at $3.90 million (≈ $975 per share) based on the aggregate market value disclosed.

The shares stem from two tranches of restricted-stock vesting received from the issuer: 1,562 shares vested on 22 Oct 2022 and 2,438 shares vested on 15 Sep 2023. No sales have been reported by this insider in the past three months, and the filer affirms no knowledge of undisclosed adverse information.

Relative to Costco’s 443.48 million shares outstanding, the disposition represents roughly 0.001 % of total equity—an immaterial dilution risk. While insider selling can raise sentiment concerns, the modest size suggests portfolio diversification rather than a signal of operational weakness.

Positive

• None.

Negative

• Insider intends to sell 4,000 shares ($3.9 M), which can be perceived as a mild negative signal despite representing only 0.001 % of shares outstanding.

Insights

Financial Analyst

TL;DR: Small $3.9 M insider sale (<0.001 % float) — negligible balance-sheet impact, mildly negative sentiment.

The Form 144 reveals a forthcoming insider disposition of 4,000 COST shares worth $3.9 million. Because Costco’s market capitalization exceeds $300 billion, the transaction is immaterial financially. The insider’s holdings arose from routine equity compensation and no additional sales occurred in the last quarter, which limits concerns about broader insider exodus. Nonetheless, any insider sale may weigh modestly on investor psychology, especially given the high valuation per share. Fundamentally, the notice does not alter Costco’s cash flow, leverage, or strategic trajectory, so I classify the filing as neutral-to-slightly negative with minimal market impact.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	4000	3899850.00	443477086	07/14/2025	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	10/22/2022	Restricted Stock Vesting	Issuer			1562	10/22/2022	Compensation
Common	09/15/2023	Restricted Stock Vesting	Issuer			2438	09/15/2023	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Costco (COST) shares are being sold under this Form 144?

The filing covers 4,000 common shares.

What is the dollar value of the proposed Costco insider sale?

The aggregate market value disclosed is $3,899,850.

When is the approximate sale date for the 4,000 COST shares?

The insider plans to sell on or after 14 July 2025.

What percentage of Costco’s outstanding shares does the sale represent?

About 0.001 % of the 443.48 million shares outstanding.

Were these Costco shares acquired through open-market purchases?

No. They were obtained via restricted-stock vesting in 2022 and 2023.

Have there been any other sales by this insider in the last three months?

The filing states "Nothing to Report" for sales during the past three months.