| (State or other jurisdiction of incorporation) | (Commission File No.) | (I.R.S. Employer Identification No.) | ||||||||||||
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |||||
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | |||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||
| COSTCO WHOLESALE CORPORATION | |||||||||||
| Dated: March 5, 2026 | By: | /s/ Gary Millerchip | |||||||||
| Gary Millerchip | |||||||||||
| Executive Vice President and Chief Financial Officer | |||||||||||

| 12 Weeks | 12 Weeks | 24 Weeks | 24 Weeks | ||||||||||||||||||||
| Adjusted* | Adjusted* | ||||||||||||||||||||||
| U.S. | 5.9% | 6.4% | 5.9% | 6.1% | |||||||||||||||||||
| Canada | 10.1% | 7.6% | 8.3% | 8.3% | |||||||||||||||||||
| Other International | 13.0% | 7.1% | 11.0% | 7.0% | |||||||||||||||||||
| Total Company | 7.4% | 6.7% | 6.9% | 6.5% | |||||||||||||||||||
| Digitally-Enabled | 22.6% | 21.7% | 21.6% | 21.2% | |||||||||||||||||||
| 4 Weeks | 4 Weeks | 26 Weeks | 26 Weeks | ||||||||||||||||||||
| Adjusted* | Adjusted* | ||||||||||||||||||||||
| U.S. | 5.2% | 6.0% | 5.8% | 6.1% | |||||||||||||||||||
| Canada | 12.8% | 9.3% | 8.5% | 8.2% | |||||||||||||||||||
| Other International | 17.9% | 10.9% | 10.7% | 6.6% | |||||||||||||||||||
| Total Company | 7.9% | 7.0% | 6.8% | 6.4% | |||||||||||||||||||
| Digitally-Enabled | 21.8% | 20.8% | 21.8% | 21.3% | |||||||||||||||||||


| 12 Weeks Ended | 24 Weeks Ended | ||||||||||||||||||||||
| February 15, 2026 | February 16, 2025 | February 15, 2026 | February 16, 2025 | ||||||||||||||||||||
| REVENUE | |||||||||||||||||||||||
| Net sales | $ | 68,242 | $ | 62,530 | $ | 134,220 | $ | 123,515 | |||||||||||||||
| Membership fees | 1,355 | 1,193 | 2,684 | 2,359 | |||||||||||||||||||
| Total revenue | 69,597 | 63,723 | 136,904 | 125,874 | |||||||||||||||||||
| OPERATING EXPENSES | |||||||||||||||||||||||
| Merchandise costs | 60,719 | 55,744 | 119,229 | 109,853 | |||||||||||||||||||
| Selling, general and administrative | 6,272 | 5,663 | 12,606 | 11,509 | |||||||||||||||||||
| Operating income | 2,606 | 2,316 | 5,069 | 4,512 | |||||||||||||||||||
| OTHER INCOME (EXPENSE) | |||||||||||||||||||||||
| Interest expense | (33) | (36) | (68) | (73) | |||||||||||||||||||
| Interest income and other, net | 148 | 142 | 303 | 289 | |||||||||||||||||||
| INCOME BEFORE INCOME TAXES | 2,721 | 2,422 | 5,304 | 4,728 | |||||||||||||||||||
| Provision for income taxes | 686 | 634 | 1,268 | 1,142 | |||||||||||||||||||
| NET INCOME | $ | 2,035 | $ | 1,788 | $ | 4,036 | $ | 3,586 | |||||||||||||||
| NET INCOME PER COMMON SHARE: | |||||||||||||||||||||||
| Basic | $ | 4.58 | $ | 4.03 | $ | 9.09 | $ | 8.08 | |||||||||||||||
| Diluted | $ | 4.58 | $ | 4.02 | $ | 9.08 | $ | 8.06 | |||||||||||||||
| Shares used in calculation (000s): | |||||||||||||||||||||||
| Basic | 443,946 | 443,982 | 443,954 | 443,985 | |||||||||||||||||||
| Diluted | 444,420 | 444,886 | 444,468 | 444,888 | |||||||||||||||||||

| February 15, 2026 | August 31, 2025 | ||||||||||
| ASSETS | |||||||||||
| CURRENT ASSETS | |||||||||||
| Cash and cash equivalents | $ | 17,383 | $ | 14,161 | |||||||
| Short-term investments | 857 | 1,123 | |||||||||
| Receivables, net | 3,782 | 3,203 | |||||||||
| Merchandise inventories | 18,991 | 18,116 | |||||||||
| Other current assets | 2,120 | 1,777 | |||||||||
| Total current assets | 43,133 | 38,380 | |||||||||
| OTHER ASSETS | |||||||||||
| Property and equipment, net | 33,645 | 31,909 | |||||||||
| Operating lease right-of-use assets | 2,759 | 2,725 | |||||||||
| Other long-term assets | 4,102 | 4,085 | |||||||||
| TOTAL ASSETS | $ | 83,639 | $ | 77,099 | |||||||
| LIABILITIES AND EQUITY | |||||||||||
| CURRENT LIABILITIES | |||||||||||
| Accounts payable | $ | 20,647 | $ | 19,783 | |||||||
| Accrued salaries and benefits | 5,635 | 5,205 | |||||||||
| Accrued member rewards | 2,833 | 2,677 | |||||||||
| Deferred membership fees | 3,126 | 2,854 | |||||||||
| Other current liabilities | 8,522 | 6,589 | |||||||||
| Total current liabilities | 40,763 | 37,108 | |||||||||
| OTHER LIABILITIES | |||||||||||
| Long-term debt, excluding current portion | 5,688 | 5,713 | |||||||||
| Long-term operating lease liabilities | 2,477 | 2,460 | |||||||||
| Other long-term liabilities | 2,624 | 2,654 | |||||||||
| TOTAL LIABILITIES | 51,552 | 47,935 | |||||||||
| COMMITMENTS AND CONTINGENCIES | |||||||||||
| EQUITY | |||||||||||
| Preferred stock $0.005 par value; 100,000,000 shares authorized; no shares issued and outstanding | — | — | |||||||||
| Common stock $0.005 par value; 900,000,000 shares authorized; 443,692,000 and 443,237,000 shares issued and outstanding | 2 | 2 | |||||||||
| Additional paid-in capital | 8,570 | 8,282 | |||||||||
| Accumulated other comprehensive loss | (1,606) | (1,770) | |||||||||
| Retained earnings | 25,121 | 22,650 | |||||||||
| TOTAL EQUITY | 32,087 | 29,164 | |||||||||
| TOTAL LIABILITIES AND EQUITY | $ | 83,639 | $ | 77,099 | |||||||

| 24 Weeks Ended | |||||||||||
| February 15, 2026 | February 16, 2025 | ||||||||||
| CASH FLOWS FROM OPERATING ACTIVITIES | |||||||||||
| Net income | $ | 4,036 | $ | 3,586 | |||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||
| Depreciation and amortization | 1,194 | 1,100 | |||||||||
| Non-cash lease expense | 149 | 137 | |||||||||
| Stock-based compensation | 652 | 614 | |||||||||
| Other non-cash operating activities, net | 66 | (79) | |||||||||
Changes in working capital | 1,587 | 650 | |||||||||
| Net cash provided by operating activities | 7,684 | 6,008 | |||||||||
| CASH FLOWS FROM INVESTING ACTIVITIES | |||||||||||
| Additions to property and equipment | (2,815) | (2,401) | |||||||||
| Purchases of short-term investments | (250) | (345) | |||||||||
| Maturities of short-term investments | 510 | 752 | |||||||||
| Other investing activities, net | (13) | (13) | |||||||||
| Net cash used in investing activities | (2,568) | (2,007) | |||||||||
| CASH FLOWS FROM FINANCING ACTIVITIES | |||||||||||
| Repayments of short-term borrowings | (65) | (389) | |||||||||
| Proceeds from short-term borrowings | 136 | 370 | |||||||||
| Tax withholdings on stock-based awards | (358) | (390) | |||||||||
| Repurchases of common stock | (419) | (412) | |||||||||
| Cash dividend payments | (1,154) | (515) | |||||||||
| Financing lease payments and other financing activities, net | (37) | (98) | |||||||||
| Net cash used in financing activities | (1,897) | (1,434) | |||||||||
| EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS | 3 | (117) | |||||||||
| Net change in cash and cash equivalents | 3,222 | 2,450 | |||||||||
| CASH AND CASH EQUIVALENTS BEGINNING OF YEAR | 14,161 | 9,906 | |||||||||
| CASH AND CASH EQUIVALENTS END OF PERIOD | $ | 17,383 | $ | 12,356 | |||||||