Quick answer
Costco Wholesale Corp /New (COST) reported diluted EPS of $4.93 for the quarter ended 2026-05-10, in a 10-Q filed with the SEC on 2026-06-03. Its last four 10-Q/10-K filings were on 2026-10-07, 2026-06-03, 2026-03-11, 2025-12-17.
Data as of 2026-10-07. Source: SEC EDGAR XBRL company facts (10-K/10-Q filings)
| Period end | Period | Form | SEC filing date | Diluted EPS |
|---|---|---|---|---|
| 2026-08-30 | Full year | 10-K | 2026-10-07 | $20.76 |
| 2026-05-10 | Quarter | 10-Q | 2026-06-03 | $4.93 |
| 2026-02-15 | Quarter | 10-Q | 2026-03-11 | $4.58 |
| 2025-11-23 | Quarter | 10-Q | 2025-12-17 | $4.50 |
| 2025-08-31 | Full year | 10-K | 2025-10-08 | $18.21 |
| 2025-05-11 | Quarter | 10-Q | 2025-06-05 | $4.28 |
| 2025-02-16 | Quarter | 10-Q | 2025-03-13 | $4.02 |
| 2024-11-24 | Quarter | 10-Q | 2024-12-19 | $4.04 |
| 2024-09-01 | Full year | 10-K | 2024-10-09 | $16.56 |
| 2024-05-12 | Quarter | 10-Q | 2024-06-06 | $3.78 |
| 2024-02-18 | Quarter | 10-Q | 2024-03-13 | $3.92 |
| 2023-11-26 | Quarter | 10-Q | 2023-12-20 | $3.58 |
| 2023-09-03 | Full year | 10-K | 2023-10-11 | $14.16 |
| 2023-05-07 | Quarter | 10-Q | 2023-06-01 | $2.93 |
| 2023-02-12 | Quarter | 10-Q | 2023-03-09 | $3.30 |
| 2022-11-20 | Quarter | 10-Q | 2022-12-29 | $3.07 |
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Last updated 2026-10-16. Data only, not financial or tax advice.