Costco Wholesale Corp
COSTFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Costco Wholesale Corp Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Source: Costco Wholesale Corp — 10-K filed Oct 8, 2025
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 18 annual periods. The latest annual period ends Aug 31, 2025. The latest insider filing shown is dated Jun 25, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Costco Wholesale Corp's recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2025-07-14 · Rubanenko Yoram: Larger than 48 of the 52 other insider sales of Common Stock on file. SEC filing
- 2025-04-17 · Klauer James C: Larger than 48 of the 52 other insider sales of Common Stock on file. SEC filing
- 2025-03-11 · Vachris Roland Michael: Larger than 47 of the 52 other insider sales of Common Stock on file. SEC filing
- 2024-10-11 · Miller Russell D: Larger than 50 of the 52 other insider sales of Common Stock on file. SEC filing
- 2024-01-23 · JELINEK W CRAIG: Larger than all 52 other insider sales of Common Stock on file. SEC filing
- 2023-11-03 · Miller Russell D: Larger than 51 of the 52 other insider sales of Common Stock on file. SEC filing
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-23 | DENMAN KENNETH D · Director | Common Stock | S — Open market or private sale | −885 | 957.45 | SEC filing |
| 2026-04-01 | Frates Caton · Executive Vice President | Common Stock | S — Open market or private sale | −700 | 993.00 | SEC filing |
| 2026-03-09 | Adamo Claudine · Executive Vice President | Common Stock | S — Open market or private sale | −730 | 1,003.02 | SEC filing |
| 2026-01-21 | Jones Teresa A. · Executive Vice President | Common Stock | S — Open market or private sale | −850 | 986.26 | SEC filing |
| 2026-01-16 | DECKER SUSAN L · Director | Common Stock | S — Open market or private sale | −458 | 955.00 | SEC filing |
| 2026-01-14 | Klauer James C · Executive Vice President | Common Stock | S — Open market or private sale | −1,500 | 939.00 | SEC filing |
| 2026-01-09 | Miller Russell D · Sr. Executive Vice President | Common Stock | S — Open market or private sale | −1,500 | 916.32 | SEC filing |
| 2025-12-30 | POLIT JAVIER · Executive Vice President | Common Stock | S — Open market or private sale | −558 | 862.90 | SEC filing |
Showing 8 of 10 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-03-11 | MILLERCHIP GARY · Executive Vice President | Common Stock | F — Payment of exercise price or tax by delivering securities | −1,154 | SEC filing |
| 2026-01-27 | RAIKES JEFFREY S · Director | Common Stock | G — Bona fide gift | −5,115 | SEC filing |
| 2026-01-27 | Jones Teresa A. · Executive Vice President | Common Stock | G — Bona fide gift | −300 | SEC filing |
| 2026-01-16 | Raimondo Gina Marie · Director | Common Stock | A — Grant, award, or other acquisition | +215 | SEC filing |
| 2025-12-19 | DENMAN KENNETH D · Director | Common Stock | G — Bona fide gift | −325 | SEC filing |
| 2025-12-15 | DECKER SUSAN L · Director | Common Stock | G — Bona fide gift | −2,827 | SEC filing |
| 2025-11-10 | RAIKES JEFFREY S · Director | Common Stock | G — Bona fide gift | −4,120 | SEC filing |
| 2025-10-22 | Barbre Tiffany Marie · Other | Common Stock | A — Grant, award, or other acquisition | +2,118 | SEC filing |
Showing 8 of 30 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-03-12 | George Sarah Catherine · Executive Vice President | Common Stock | I — Discretionary transaction | −642 | SEC filing |
| 2023-07-20 | Klauer James C · Executive Vice President | Common Stock | W — Acquisition or disposition by will or laws of descent | +99 | SEC filing |
Showing 2 of 2 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.