Costco Wholesale Corporation
No standout activity across the feeds we track.
What this band has actually done: stocks scoring 25–45 beat the S&P 500 over the next three months 45.3% of the time, across 39,662 cases since 2015. That is below a coin flip — and so is every other band, because the median stock loses to a cap-weighted index. How we measured this
Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, Mexico, Japan, the United Kingdom, Korea, Australia, Taiwan, China, Spain, France, Iceland, New Zealand, and Sweden. It offers merchandise, including sundries, dry groceries, candies, coolers, freezers, deli, liquor, and tobacco; non-food merchandise comprising appliances, small electronics, health and beauty aids, hardware, lawn and garden, sporting goods, tires, toys and seasonal, automotive, stamps, tickets, apparel, furniture,…
| Trade date | Member | Chamber | Action | Amount |
|---|---|---|---|---|
| 2026-07-30 | Richard McCormick · R-GA | House | Sold | $1,001 - $15,000 |
| 2026-07-10 | Dan Newhouse · R-WA | House | Bought | $1,001 - $15,000 |
| 2026-03-27 | Alan Armstrong · R-OK | Senate | Bought | $1,001 - $15,000 |
| 2026-01-30 | Gilbert Ray Cisneros, Jr. · D-CA | House | Bought | $1,001 - $15,000 |
| 2025-12-29 | Markwayne Mullin · R-OK | Senate | Bought | $15,001 - $50,000 |
| 2025-12-24 | Gilbert Ray Cisneros, Jr. · D-CA | House | Sold | $1,001 - $15,000 |
| 2025-11-05 | Richard McCormick · R-GA | House | Bought | $1,001 - $15,000 |
| 2025-10-17 | Gilbert Ray Cisneros, Jr. · D-CA | House | Bought | $1,001 - $15,000 |
| 2025-10-17 | Shelley Moore Capito · R-WV | Senate | Sold | $1,001 - $15,000 |
| 2025-10-09 | John Boozman · R-AR | Senate | Bought | $1,001 - $15,000 |
Show the other 40
| Trade date | Member | Chamber | Action | Amount |
|---|---|---|---|---|
| 2025-09-23 | Val T. Hoyle · D-OR | House | Sold | $1,001 - $15,000 |
| 2025-07-10 | Lisa C. McClain · R-MI | House | Sold | $1,001 - $15,000 |
| 2025-06-17 | Lisa C. McClain · R-MI | House | Bought | $1,001 - $15,000 |
| 2025-06-09 | Lisa C. McClain · R-MI | House | Sold | $1,001 - $15,000 |
| 2025-05-12 | Jefferson Shreve · R-IN | House | Sold | $100,001 - $250,000 |
| 2025-04-21 | Bruce Westerman · R-AR | House | Sold | $1,001 - $15,000 |
| 2025-03-31 | Jefferson Shreve · R-IN | House | Sold | $15,001 - $50,000 |
| 2025-03-27 | Greg Landsman · D-OH | House | Sold | $1,001 - $15,000 |
| 2025-03-27 | Greg Landsman · D-OH | House | Sold | $15,001 - $50,000 |
| 2025-03-03 | Bruce Westerman · R-AR | House | Bought | $1,001 - $15,000 |
| 2025-02-26 | Greg Landsman · D-OH | House | Sold | $1,001 - $15,000 |
| 2025-01-28 | Scott Franklin · R-FL | House | Sold | $1,001 - $15,000 |
| 2025-01-28 | Scott Franklin · R-FL | House | Sold | $50,001 - $100,000 |
| 2025-01-02 | James Comer · R-KY | House | Bought | $1,001 - $15,000 |
| 2024-12-11 | Lisa C. McClain · R-MI | House | Bought | $1,001 - $15,000 |
| 2024-11-25 | Marjorie Taylor Greene · R-GA | House | Bought | $1,001 - $15,000 |
| 2024-10-29 | Val T. Hoyle · D-OR | House | Bought | $1,001 - $15,000 |
| 2024-10-04 | Marjorie Taylor Greene · R-GA | House | Bought | $1,001 - $15,000 |
| 2024-08-07 | Scott Franklin · R-FL | House | Bought | $1,001 - $15,000 |
| 2024-08-06 | Scott Franklin · R-FL | House | Sold | $15,001 - $50,000 |
| 2024-08-01 | Scott Franklin · R-FL | House | Sold | $1,001 - $15,000 |
| 2024-07-02 | Kathy E. Manning · D-NC | House | Bought | $1,001 - $15,000 |
| 2024-06-24 | Marjorie Taylor Greene · R-GA | House | Bought | $1,001 - $15,000 |
| 2024-05-15 | Greg Landsman · D-OH | House | Bought | $1,001 - $15,000 |
| 2024-01-31 | Pete Sessions · R-TX | House | Bought | $1,001 - $15,000 |
| 2024-01-23 | Kathy E. Manning · D-NC | House | Bought | $15,001 - $50,000 |
| 2024-01-23 | Kathy E. Manning · D-NC | House | Bought | $1,001 - $15,000 |
| 2024-01-12 | Kevin Hern · R-OK | House | Bought | $1,001 - $15,000 |
| 2023-12-28 | Jared Moskowitz · D-FL | House | Bought | $1,001 - $15,000 |
| 2023-12-04 | John R. Curtis · R-UT | House | Sold | $1,001 - $15,000 |
| 2023-10-24 | Greg Stanton · D-AZ | House | Sold | $1,001 - $15,000 |
| 2023-09-26 | Greg Stanton · D-AZ | House | Bought | $1,001 - $15,000 |
| 2023-07-14 | Jared Moskowitz · D-FL | House | Bought | $1,001 - $15,000 |
| 2023-05-25 | Zoe Lofgren · D-CA | House | Sold | $1,001 - $15,000 |
| 2023-04-19 | Scott Franklin · R-FL | House | Bought | $1,001 - $15,000 |
| 2023-04-19 | Scott Franklin · R-FL | House | Bought | $50,001 - $100,000 |
| 2023-03-15 | Richard McCormick · R-GA | House | Bought | $1,001 - $15,000 |
| 2023-02-23 | John R. Curtis · R-UT | House | Sold | $1,001 - $15,000 |
| 2023-02-21 | Jared Moskowitz · D-FL | House | Bought | $1,001 - $15,000 |
| 2023-01-31 | Daniel S. Goldman · D-NY | House | Sold | $15,001 - $50,000 |
Markers sit on the transaction date the member disclosed, snapped to the nearest close on the chart. They are not the date the public found out — that came later, and the gap is its own page. Every marker is listed by name in the table above.
| Date | Insider | Title | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-23 | DENMAN KENNETH D | Insider | SELL | 885 | $957.45 | $847,345 |