Costco Wholesale ($COST) Insider Trading & Smart Money Activity
Costco Wholesale Corporation ($COST) has 4 insider trades, 4 congress trades, 87 13F position changes and 11 analyst ratings on file. In the last 12 months on the open market, no insider bought and 4 insiders sold ($4.65M), net -$4.65M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 4
- Net insider $ (12 mo)
- -$4.65M
- Congress trades (12 mo)
- 4
- 13F moves on file
- 87
- Analyst ratings on file
- 11
COST insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 1 / 0 | 0 / 0 |
| Q2 2026 | 0 | 1 · $847.34K | 0 / 0 | 47 / 18 |
| Q3 2026 | 0 | 2 · $2.75M | 1 / 2 | 0 / 0 |
| Q4 2026 | 0 | 1 · $1.05M | 0 / 0 | 5 / 17 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All COST insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13F | Y-Intercept (Hong Kong) | Reduced | -21.06K sh | $2.36M | — | ||||||
| 13F | SteelPeak Wealth | Reduced | -13.11K sh | $15.17M | — | ||||||
| 13F | Goelzer Investment Management | Reduced | -1.24K sh | $7.20M | — | ||||||
| 13F | Frank, Rimerman Advisors | Reduced | -1.92K sh | $5.67M | — | ||||||
| 13F | Elser Financial Planning | Reduced | -106 sh | $1.97M | — | ||||||
| 13F | Concurrent Investment Advisors | Added | +18.53K sh | $37.59M | — | ||||||
| 13F | Birch Hill Investment Advisors | Reduced | -2.61K sh | $29.36M | — | ||||||
| 13F | Annex Advisory Services | Reduced | -32.63K sh | $5.53M | Read | ||||||
| Analyst | Tigress Financial | Reiterates to Buy | PT $1,250 | Read | |||||||
| 13F | V-Square Quantitative Management | Added | +247 sh | $8.19M | — | ||||||
| 13F | Ninety One UK | Reduced | -99.82K sh | $187.67M | Read | ||||||
| 13F | Mission Wealth Management | Reduced | -7.86K sh | $22.47M | — | ||||||
| 13F | Gleason Group | Reduced | -73 sh | $1.17M | — | ||||||
| 13F | First Merchants | Reduced | -741 sh | $12.25M | — | ||||||
| 13F | Curated Wealth Partners | Reduced | -425.63K sh | $1.36M | Read | ||||||
| 13F | Community Trust & Investment | Added | +612 sh | $15.39M | — | ||||||
| 13F | Burney Co/ | Reduced | -3.42K sh | $4.11M | — | ||||||
| 13F | Auto-Owners Insurance | Sold out | -405 sh | Read | |||||||
| 13F | Thurston, Springer, Miller, Herd & Titak | Reduced | -1.24K sh | $522.52K | — | ||||||
| 13F | Patriot Financial Group Insurance Agency | Reduced | -4.06K sh | $3.06M | — | ||||||
| 13F | Heck Capital Advisors | Added | +3.09K sh | $3.13M | — | ||||||
| 13F | Godsey & Gibb | Added | +1.08K sh | $25.33M | — | ||||||
| 13F | Generate Investment Management | Reduced | -14.66K sh | $1.36M | — | ||||||
| Insider | Wilcox William RichardExecutive Vice President | Sell (Open-market sale) | 1.10K sh | $1.05M | Read | ||||||
| Insider | Frates CatonSr. Executive Vice President | Sell (Open-market sale) | 800.64 sh | $733.33K | +1.2% | — | |||||
| Insider | Adamo ClaudineExecutive Vice President | Sell (Open-market sale) | 2.20K sh | $2.02M | +1.2% | — | |||||
| Analyst | Deutsche Bank | Reiterates to Buy | PT $1,079 | +0.1% | — | ||||||
| Analyst | Argus Research | Reiterates to Buy | PT $1,230 | +0.1% | — | ||||||
| Analyst | Roth Capital | Reiterates to Sell | PT $781 | -0.2% | — | ||||||
| Analyst | Raymond James | Reiterates to Outperform | PT $1,050 | -0.2% | — | ||||||
| Analyst | Mizuho | Reiterates to Outperform | PT $1,065 | -0.2% | — | ||||||
| Analyst | JP Morgan | Reiterates to Overweight | PT $1,015 | -0.2% | — | ||||||
| Analyst | Freedom Broker | Reiterates to Buy | PT $1,010 | -0.2% | — | ||||||
| Analyst | Bernstein | Reiterates to Outperform | PT $1,143 | -0.2% | — | ||||||
| Analyst | BTIG | Reiterates to Buy | PT $1,125 | +0.6% | — | ||||||
| Congress | Rick W. Allen | Sale | $1,001 - $15,000 | +3.1% | Read | ||||||
| Analyst | Oppenheimer | Reiterates to Outperform | PT $1,160 | +1.2% | +10.7% | — | |||||
| Congress | Richard McCormick | Sale | $1,001 - $15,000 | -0.5% | -1.1% | — | |||||
| Congress | Dan Newhouse | Purchase | $1,001 - $15,000 | +2.7% | +4.1% | — | |||||
| Insider | Kenneth Denman | Sell (Open-market sale) | 885 sh | $847.34K | -2.3% | -3.3% | — | ||||
| 13F | Amundi | Added | +283.36K sh | $2.66B | -6.8% | -10.3% | Read | ||||
| 13F | Woodline Partners | Added | +57.93K sh | $124.93M | -2.0% | -6.6% | — | ||||
| 13F | Waverly Advisors | Added | +12.92K sh | $45.74M | -2.0% | -6.6% | Read | ||||
| Congress | Alan Armstrong | Purchase | $1,001 - $15,000 | +3.5% | +1.4% | -5.9% | — |
Showing 44 of 106 filings (the latest 13F moves are capped at 25; see the institutions below).
1W / 1M / 6M = how COST moved from the trade or filing date.
Insider trading in COST: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Wilcox William Richard | Executive Vice President | 1 | -$1.05M | Oct 13, 2026 | |
| Frates Caton | Sr. Executive Vice President | 1 | -$733.33K | Sep 29, 2026 | |
| Adamo Claudine | Executive Vice President | 1 | -$2.02M | Sep 29, 2026 | |
| Kenneth Denman | 1 | -$847.34K | Jun 23, 2026 |
Members of Congress trading COST
Institutions moving COST (13F)
Analyst ratings on COST
| Date | Firm | Action | Rating | Price target | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|
| Tigress Financial | Reiterates | Buy | $1,065 → $1,250 | Read | ||||
| Deutsche Bank | Reiterates | Buy | $1,091 → $1,079 | +0.1% | — | |||
| Argus Research | Reiterates | Buy | $1,230 | +0.1% | — | |||
| Roth Capital | Reiterates | Sell | $781 | -0.2% | — | |||
| Raymond James | Reiterates | Outperform | $1,100 → $1,050 | -0.2% | — | |||
| Mizuho | Reiterates | Outperform | $1,100 → $1,065 | -0.2% | — | |||
| JP Morgan | Reiterates | Overweight | $1,100 → $1,015 | -0.2% | — | |||
| Freedom Broker | Reiterates | Buy | $1,030 → $1,010 | -0.2% | — | |||
| Bernstein | Reiterates | Outperform | $1,144 → $1,143 | -0.2% | — | |||
| BTIG | Reiterates | Buy | $1,125 | +0.6% | — |
Frequently asked questions
Are COST insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 4 insiders made 4 open-market sales worth $4.65M, a net -$4.65M.
What is the latest insider trade in COST?
Wilcox William Richard, Executive Vice President filed a sell (open-market sale) of 1.10K sh worth $1.05M on Oct 13, 2026.
Which members of Congress traded COST?
4 disclosed trades by Rick W. Allen, Richard McCormick, Dan Newhouse and Alan Armstrong. The latest was on Sep 18, 2026.
Which institutions changed their COST positions?
Recent 13F filers moving the stock include Y-Intercept (Hong Kong), SteelPeak Wealth, Goelzer Investment Management, Frank, Rimerman Advisors and Elser Financial Planning.
Other discount stores stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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