Welcome to our dedicated page for Costco Whsl SEC filings (Ticker: COST), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Membership fees drive nearly all of Costco’s operating income, yet the company discloses those vital renewal rates deep inside its SEC paperwork. If you have ever sifted through a 300-page report hunting for Kirkland Signature margins or fuel sales figures, you know why Costco SEC filings explained simply are invaluable. Stock Titan brings every disclosure together—instantly highlighting how this warehouse giant balances thin margins with massive volume across U.S. and international clubs.
Our AI parses each Costco annual report 10-K simplified to surface membership revenue, new warehouse counts, and segment profitability. Need the latest comps? The platform links directly to the Costco quarterly earnings report 10-Q filing, while AI annotations flag changes in average ticket size and renewal trends. Material updates like holiday sales releases appear under Costco 8-K material events explained. For governance questions, explore the Costco proxy statement executive compensation to understand how bonuses align with member growth. Monitoring insider sentiment is seamless: real-time alerts cover Costco Form 4 insider transactions real-time, letting you track every Costco executive stock transactions Form 4 within minutes of hitting EDGAR.
Whether you’re comparing quarterly traffic, assessing expansion in Japan, or watching buybacks, Stock Titan’s AI-powered summaries transform dense prose into clear takeaways. You’ll get side-by-side charts, keyword search across all forms, and historical context for every Costco insider trading Form 4 transactions and Costco earnings report filing analysis. Stop scrolling through PDFs—start understanding Costco SEC documents with AI and make faster, well-informed decisions.
Russell D. Miller, identified as Senior Executive Vice President and an officer of Costco Wholesale Corp (COST), reported an insider transaction on 09/29/2025. The Form 4 shows a sale of 3,381 shares of Costco common stock at a reported price of $915 per share, leaving 9,740 shares beneficially owned after the transaction. Ownership is reported as indirect through the Miller Family Trust. The filing includes an explanatory note that one share was transferred from direct to indirect holdings and had been inadvertently omitted from a prior Form 4 filed on 09/24/2025. The document is signed by an attorney-in-fact on behalf of the reporting person.
Frates Caton, Executive Vice President of Costco Wholesale Corp (COST), reported a sale of 1,540 shares of common stock on 09/29/2025 at a reported price of $910.02 per share. After the transaction the filing shows 9,283.694 shares beneficially owned, held directly. The Form 4 was signed by an attorney-in-fact on 09/30/2025.
Form 144 notice for COSTCO WHOLESALE CORP (COST): A proposed sale of 3,381 common shares is reported through Morgan Stanley Smith Barney LLC, with an aggregate market value of $3,093,615.00, and an approximate sale date of 09/29/2025 on NASDAQ. The filing shows the shares were acquired as restricted stock vesting under a registered plan on three dates: 408 shares on 09/12/2022, 54 shares on 09/15/2023, and 2,919 shares on 09/11/2025, with payment characterized as compensation. No securities of the issuer were reported sold by the person in the past three months. Several standard filer and issuer identification fields in the form are not populated in the provided text.
Form 144 notice for COSTCO WHOLESALE CORP (COST): The filing indicates a proposed sale of 1,540 shares of common stock through Fidelity Brokerage Services LLC on NASDAQ with an approximate sale date of 09/29/2025. The filing lists an aggregate market value of $1,401,430.80 and total shares outstanding of 443,477,086. The reported acquisition events show 1 share from a restricted stock vesting on 10/22/2024 and 1,539 shares from restricted stock vesting on 09/10/2025, both marked as compensation. The filer reports no securities sold in the past 3 months. Several filer contact fields and issuer identification fields in the form are blank in the provided content.
Russell D. Miller, Sr. Executive Vice President of Costco Wholesale (COST), reported trades on 09/23/2025. The Form 4 shows a reported disposition of 2,918 shares and a simultaneous reported acquisition of 2,918 shares (both coded "G" with $0 price). After the transactions, Mr. Miller is reported to beneficially own 13,120 shares indirectly through the Miller Family Trust.
Form 4 filed for COST reports that on September 2, 2025 the Stanton Family Trust distributed 211 shares of Costco Wholesale Corporation common stock to a beneficiary who is the reporting person’s son. The reporting person, John W. Stanton, is identified as a director and trustee and disclaims beneficial ownership of the shares held by the beneficiary and those remaining in the trust.
The Form 4 shows the trust as the indirect owner of 211 shares prior to the distribution and documents a corresponding indirect disposition by the reporting person via the trust. The form is signed by an attorney-in-fact on September 4, 2025.
Teresa A. Jones, Executive Vice President and Director of Costco Wholesale Corp (COST), reported a sale of company shares on 08/20/2025. The Form 4 shows she disposed of 600 shares of Common Stock at a price of $992.05 per share, leaving her with 2,362.125 shares beneficially owned after the transaction. The filing notes that 1.183 shares were inadvertently omitted from prior reports and are included in the post-transaction total. The form was executed on behalf of the reporting person by an attorney-in-fact, Alejandro Torres, on 08/22/2025. The filing is a single-person Form 4 disclosure and contains only this non-derivative sale.
Costco proposed insider sale notice: The filing reports a proposed sale of 600 common shares via Fidelity Brokerage Services with an aggregate market value of $595,230.06. The shares represent a small fraction of the reported 443,477,086 shares outstanding. The approximate sale date is 08/20/2025 on NASDAQ. Acquisition history shows 25 shares received as compensation on 01/15/2014 and 575 shares from restricted stock vesting on 10/22/2023. The filer certifies they are not aware of undisclosed material adverse information.