Every Form 4 that Costco Wholesale Corporation (COST) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow COST and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full COST filings page.
COSTCO WHOLESALE CORP /NEW (COST) reported that Executive Vice President William Richard Wilcox received an equity award tied to fiscal 2026 performance on September 10, 2026. The award relates to Restricted Stock Units granted October 22, 2025 that vest 20% annually over five years, with potential accelerated vesting under the 2019 Incentive Plan.
COSTCO WHOLESALE CORP (COST) reported that Executive Vice President Yoram Rubanenko had equity compensation activity on September 10, 2026. He acquired 4,129 shares of common stock at no cost in connection with earned awards from a Restricted Stock Unit grant initially made on October 22, 2025, subject to fiscal 2026 performance conditions that were deemed satisfied by the Compensation Committee. On the same date, 1,695.952 shares were delivered or withheld at $902.38 per share for payment of exercise price or tax liability, resulting in a net share increase from this vesting event. The RSU award vests 20% on the first anniversary of the grant date and an additional 20% in each of the following four years based on continued employment, with potential accelerated vesting under the 2019 Incentive Plan at 25, 30, and 35 years of service.
COSTCO WHOLESALE CORP /NEW (COST) reported that Executive Vice President Pierre Riel received an award of 4,552 shares of common stock on September 10, 2026, reflecting earned performance-based Restricted Stock Units originally granted on October 22, 2025. On the same date, 1,561.66 shares of common stock were delivered or withheld at $902.38 per share for payment of exercise price or tax liability. The earned awards vest 20% on the first anniversary of the October 22, 2025 grant date and an additional 20% over each of the following four years, subject to continued employment, with potential accelerated vesting under the company’s 2019 Incentive Plan based on long-term service milestones. No Rule 10b5-1 trading plan is reported for these transactions.
COSTCO WHOLESALE CORP (COST) reported that Executive Vice President James C. Klauer received a grant of 4,129 Restricted Stock Units tied to fiscal 2026 performance, deemed earned by the Compensation Committee. The award vests 20% on the first anniversary of the October 22, 2025 grant date and 20% in each of the next four years, subject to continued employment and potential accelerated vesting under the 2019 Incentive Plan. On September 10, 2026, 936.115 shares of common stock were delivered or withheld to pay the exercise price or tax liability, and Klauer also reports 98.5 shares held indirectly by his spouse. No Rule 10b5-1 trading plan is reported.
COSTCO WHOLESALE CORP /NEW (COST) reported that Executive Vice President Teresa A. Jones received a grant related to 4,129 shares of common stock on September 10, 2026, tied to performance-based awards initially granted on October 22, 2025 for fiscal 2026. The earned awards vest 20% on the first anniversary of the original grant date and 20% in each of the next four years, subject to continued employment, with potential accelerated vesting under the 2019 Incentive Plan. On the same date, 1,458.535 shares of common stock were delivered or withheld at $902.38 per share for payment of exercise price or tax liability. No Rule 10b5-1 trading plan is reported.
COSTCO WHOLESALE CORP /NEW (COST) reported that Executive Vice President Caton Frates received a compensation-related equity award on September 10, 2026. The award covers 4,552 Restricted Stock Units tied to prior performance for fiscal 2026, with 20% vesting on the first anniversary of the October 22, 2025 grant date and an additional 20% vesting in each of the following four years, subject to continued employment. Under the company’s 2019 Incentive Plan, employees may also be eligible for accelerated vesting at their 25th, 30th and 35th service anniversaries. On the same date, 1,654.363 shares of common stock were delivered or withheld at $902.38 per share for payment of exercise price or tax liability.
COSTCO WHOLESALE CORP (COST) reported that Executive Vice President Claudine Adamo had performance-based restricted stock units earned from a grant initially made on October 22, 2025, for fiscal 2026, with 4,129 shares of common stock credited on September 10, 2026 at no cost. On the same date, 916.685 shares were delivered or withheld to pay the exercise price or tax liability, and the remaining earned awards vest 20% on the first anniversary of the grant date and 20% annually over the next four years, subject to continued employment and potential accelerated vesting under the 2019 Incentive Plan. No Rule 10b5-1 trading plan is reported.
COSTCO WHOLESALE CORP /NEW director Jeffrey S. Raikes transferred 5,249 Common Stock shares as a bona fide gift to a non-profit foundation on 2026-07-10 at a stated price of $0.0000 per share. Following this charitable transfer, he holds 6,043.936 shares directly.
Costco Wholesale Corp. director Kenneth D. Denman reported an open-market sale of 885 shares of Costco common stock on June 23, 2026. The shares were sold at a weighted average price of $957.4525 per share, with individual trade prices ranging from $957.44 to $957.63 per share. After this transaction, Denman directly holds 4,778.936 shares of Costco common stock.
Costco Wholesale Corp. Executive Vice President Caton Frates sold 700 shares of Common Stock in an open-market transaction at $993.00 per share. After this sale, he directly holds 5,815.001 shares. This was a single, non-derivative sale and no option exercises or derivative transactions were reported.
COSTCO WHOLESALE CORP /NEW Executive Vice President Sarah Catherine George reported a discretionary, intra-plan transaction involving company common stock held in a 401(k) plan. She moved 642.1252 shares out of Costco's common stock fund, following a company policy that bars executive officers from participating in that fund. After this transfer, she no longer holds Costco shares indirectly through the 401(k) plan and now reports 1,401.258 Costco common shares held directly.
Costco Wholesale Corporation executive Gary Millerchip reported a routine tax-related share withholding. On March 11, 2026, 1,154.017 shares of Costco common stock were withheld by the company to cover taxes tied to the vesting of previously granted restricted stock units, at a reference price of $992.23 per share. Following this transaction, Millerchip directly owned 15,465.301 shares of Costco common stock. This was not an open-market sale, but a standard mechanism to satisfy tax obligations on equity compensation.
Costco Wholesale Corporation executive Claudine Adamo reported an open-market sale of company stock. On March 9, 2026, the Executive Vice President sold 730 shares of Costco common stock at an average price of $1003.021 per share. After this transaction, she directly owns 6,121.195 Costco shares.
Costco Wholesale Corp. director Jeffrey S. Raikes reported a charitable stock gift. On 01/27/2026, he transferred 5,115 shares of Costco common stock using transaction code "G," which indicates a gift made at a reported price of $0 per share.
After this donation to a non-profit foundation, Raikes directly beneficially owned 11,292.936 Costco common shares. The filing reflects a reduction in his direct holdings due to a philanthropic transfer rather than an open-market sale.
Costco Wholesale Corporation Executive Vice President Teresa A. Jones reported a charitable stock gift. On January 27, 2026, she transferred 300 shares of Costco common stock as a gift coded "G" at a reported price of $0 per share to a charitable donor advised fund.
Following this transaction, Jones reported beneficial ownership of 3,927.804 shares of Costco common stock held directly. The filing reflects a personal charitable donation rather than an open‑market sale or purchase.
Costco Wholesale Corporation executive Teresa A. Jones sold company stock in an open-market transaction. On January 21, 2026, she sold 850 shares of Costco common stock, with a reported weighted average price of $986.2567 per share.
The sale was executed through multiple trades, with individual prices ranging from $986.220 to $986.480 per share. After this transaction, Jones beneficially owned 4,227.804 shares of Costco common stock in direct ownership.
Costco Wholesale Corporation director Susan L. Decker reported a sale of company stock. On January 16, 2026, she sold 458 shares of Costco common stock at a price of $955 per share, as shown in a Form 4 insider trading report.
After this transaction, Decker beneficially owned 8,531.936 shares of Costco common stock in direct ownership form. The filing classifies her relationship to Costco as a director and confirms that this report covers a single reporting person.
Costco Wholesale Corporation director Gina Marie Raimondo reported an equity award in the form of restricted stock units tied to Costco common stock. On 01/16/2026 she was granted 215 units at a stated price of $0 per share, reflecting a compensatory grant rather than an open-market purchase.
These restricted stock units vest over three years, with one-third scheduled to vest on October 22, 2026 and the remaining two thirds vesting in equal annual installments on October 22 in each of the following two years. Following this grant, she beneficially owns 215 Costco common shares in direct form.
Costco Wholesale Corporation Executive Vice President James C. Klauer reported a sale of company stock. On January 14, 2026, he sold 1,500 shares of Costco common stock at a price of $939 per share, coded as a sale transaction. After this trade, he directly holds 44,836.994 shares of Costco common stock. The filing also shows an additional 98.5 shares held indirectly, listed as held "By Spouse." The report is filed by one reporting person and reflects changes only in non-derivative common stock holdings, with no derivative securities reported.
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.
Costco Wholesale Corp. (COST) director reports a stock gift. A company director filed a Form 4 disclosing a bona fide gift of 2,827 shares of Costco common stock on 12/15/2025, reported under transaction code "G." The shares were transferred at a price of $0, reflecting that this was a gift, not an open-market sale.
After this transaction, the director beneficially owns 8,989.936 Costco shares in direct ownership. The filing is an administrative disclosure of an insider’s change in holdings rather than an operational or earnings-related event for the company.
Costco Wholesale (COST) reported insider activity by its Principal Accounting Officer. On 10/22/2025, the officer received 2,118 restricted stock units (RSUs). The filing notes multiple share withholdings for taxes on the same date at a price of $944.68 per share. On 10/24/2025, the officer sold 1,239.383 shares at a weighted average price of $934.6204.
Following these transactions, the officer beneficially owned 5,155.447 shares directly, plus 2.1788 shares held indirectly via a 401(k). The RSU grant vests one-fifth on October 22, 2026 and one-fifth annually for the next four years.
Costco Wholesale (COST) reported a Form 4 for its President and CEO, reflecting equity award activity on 10/22/2025. The officer recorded an acquisition of 13,834 shares at $0 tied to a performance-based restricted stock unit grant initially made on October 22, 2024. The earned awards vest 20% on the first anniversary and an additional 20% over each of the next four years, subject to continued employment.
To cover taxes upon vesting, the company withheld 1,493.05 and 1,159.75 shares at a price of $944.68 (the Nasdaq closing price on 10/22/2025). Following these transactions, the officer reported 52,258.062 shares beneficially owned.
Costco Wholesale (COST) reported an insider transaction by an Executive VP on 10/22/2025. The filing shows an acquisition of 4,654 shares of common stock at $0, reflecting earned restricted stock units (RSUs) tied to fiscal 2025 performance that the Compensation Committee deemed satisfied.
The RSUs vest 20% on the first anniversary of the 10/22/2024 grant date, with an additional 20% over each of the next four years, subject to continued employment. Employees under the 2019 Incentive Plan may be eligible for accelerated vesting at their 25th, 30th, and 35th service anniversaries.
The filing also lists multiple F-code transactions described as tax withholdings in connection with RSU vesting, each priced at the $944.68 Nasdaq closing price on 10/22/2025. Following the reported transactions, the executive directly beneficially owned 47,671.152 shares.
Costco Wholesale (COST) reported an insider transaction by an Executive Vice President. On 10/22/2025, the officer recorded an acquisition of 4,219 shares at $0 (grant of restricted stock units). The filing also shows company tax withholdings coded “F” of 537.78, 293.89, and 336.61 shares at a price of $944.68 per share (the Nasdaq closing price on 10/22/2025) in connection with RSU vesting.
Following these transactions, direct beneficial ownership stands at 12,796.901 shares. The grant was initially made on 10/22/2024, tied to fiscal 2025 performance; earned awards vest 20% on the first anniversary and 20% annually over the next four years.
Costco Wholesale (COST) executive Form 4: On 10/22/2025, the Executive Vice President reported activity tied to a performance-based grant initially made on 10/22/2024. 6,268 restricted stock units were earned and reported as acquired, with the award vesting 20% on the first anniversary and an additional 20% over each of the next four years, subject to continued employment. To cover taxes upon vesting, the company withheld 313.05 and 500.32 shares at $944.68 per share. Following these transactions, the executive beneficially owned 16,619.323 shares directly.
Costco Wholesale (COST) reported insider activity by an Executive Vice President. On 10/22/2025, multiple transactions coded F reflected shares withheld to cover taxes upon vesting of previously granted RSUs at a price of $944.68, which was the Nasdaq closing price that day.
Following these tax-withholding events, the reporting person beneficially owned 46,336.987 shares directly, plus 98.5 shares indirectly held by a spouse.
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.
Costco Wholesale (COST) executive vice president reported transactions on a Form 4 reflecting company tax withholding related to the vesting of previously granted restricted stock units on October 22, 2025. The entries were coded “F” and priced at $944.68, the Nasdaq closing price that day.
After these transactions, the officer directly beneficially owns 60,894.558 shares of Costco common stock.
Costco Wholesale (COST) executive vice president reported routine equity transactions. On October 22, 2025, the company withheld shares to cover taxes upon RSU vesting in multiple tranches totaling 704.64 shares at a price representing the Nasdaq closing price of $944.68 per share. On October 24, 2025, the insider sold 2,700 shares at $935.68 per share.
Following these transactions, the insider directly owns 6,851.197 shares of Costco common stock.
Costco Wholesale (COST) reported an insider equity award. A director received a grant of 286 restricted stock units on 10/22/2025.
The award vests one-third on 10/22/2026 and one-third annually on October 22 for the following two years.
Following the grant, the director’s beneficial holdings were 24,089.936 shares held directly. Indirect holdings include 211 shares held by the director’s son and 211 shares held by the Stanton Family Trust.
Costco Wholesale (COST) director reported an equity award on Form 4. On 10/22/2025, the reporting person received 286 restricted stock units at a price of $0.
The RSUs vest one-third on October 22, 2026, and one-third annually on October 22 for the following two years. After the transaction, the reporting person beneficially owns 3,204.936 Costco common shares directly and 9,752 shares indirectly via GRAT-1, which reflects a contribution made on July 21, 2025.
Costco Wholesale (COST) reported a director received a grant of 286 restricted stock units on October 22, 2025 at a stated price of $0 as a grant.
The RSUs vest one-third on October 22, 2026, with one-third vesting annually on October 22 for the following two years. Following this transaction, the reporting person beneficially owned 20,527.936 shares of common stock, held directly.
Costco (COST) reported an insider equity award. A director received 286 restricted stock units on 10/22/2025, recorded at $0. The RSUs vest one-third on October 22, 2026 and one-third annually on October 22 for the following two years. After the award, the reporting person beneficially owned 3,612.936 shares, held directly.
Costco Wholesale (COST) reported a director’s equity award. On 10/22/2025, the reporting person acquired 286 shares via a grant of Restricted Stock Units (RSUs). The award vests one‑third on October 22, 2026, with the remaining one‑third vesting annually on October 22 for the next two years. The grant is shown at $0 as it reflects an RSU award.
Following the transaction, the reporting person beneficially owns 55,537.936 shares directly. Additional indirect holdings are listed through family trusts: 230 shares in Family Trust I, 230 in Family Trust II, 230 in Family Trust III, and 461 in Family Trust IV. A Power of Attorney (Exhibit 24) is included.
Costco Wholesale (COST) reported a director equity award on a Form 4. On 10/22/2025, the director received 286 restricted stock units at a stated price of $0 as part of equity compensation.
The RSUs vest one-third on October 22, 2026 and one-third annually on October 22 for the following two years. Following the transaction, the director beneficially owned 1,086.802 shares directly, plus 32 shares indirectly via a spouse and 7 shares indirectly via a trust.
Costco Wholesale (COST) reported an insider equity grant. A director received 286 Restricted Stock Units of common stock on 10/22/2025.
The RSUs vest one-third on October 22, 2025, and one-third annually on October 22 for the following two years. Following the grant, the director beneficially owns 5,988.936 shares, held in direct ownership. The grant is recorded at $0 as it reflects RSUs rather than a cash purchase.
Costco Wholesale (COST) reported a director equity grant on a Form 4. On 10/22/2025, the director received 286 Restricted Stock Units at a stated price of $0. Following the grant, the director beneficially owns 11,816.936 shares, held directly.
The RSUs vest one-third on October 22, 2026, and one-third annually on October 22 for the following two years.
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.