The company
Costco Wholesale Corporation
COST · Nasdaq
COST stood above a rising 150-day average in 16 of the last 52 weekly readings, and has been out of that trend for the last 18 weeks. It is 3.1% above that average now. Mass, Grocery & Drug Retail: 35% of its 26 stocks in an uptrend (±0 points in four weeks); Consumer Staples: 24% (−1 points in four weeks).
Statistics
- Rotation
- Above a falling average
- Weeks in an uptrend
- out for 18
- Industry in uptrend
- 35% 0 in 4 wk
- Insider buys, 12 months
- $0
- Insider sales, 12 months
- $27.4M
- Officials’ trades on record
- 252
In the rotation
Each square a week: lit when it closed above a rising 150-day average. 16 of 52 weeks.
Mass, Grocery & Drug Retail: A minority of its stocks are in an uptrend and the share has held steady. Consumer Staples: A minority of its stocks are in an uptrend and the share has held steady.
Money in and out
Open-market buys above the line and sales below, in dollars. Not yet read: institutions.
Congress and officials
252 disclosed lines: House 195, Senate 48, executive 9; 70 people.
| Who | Did | Amount | Traded |
|---|---|---|---|
| Rick W. Allen House: U.S. House ClerkGA12 | soldspouse | $1k–$15k | 18 Sep 2026filed 14 Oct 2026 |
| Richard McCormick House: U.S. House ClerkGA06 | sold | $1k–$15k | 30 Jul 2026filed 14 Aug 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $100k–$250k | 23 Jul 2026filed 22 Sep 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $1M–$5M | 20 Jul 2026filed 22 Sep 2026 |
| Dan Newhouse House: U.S. House ClerkWA04 | boughtspouse | $1k–$15k | 10 Jul 2026filed 17 Jul 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | bought | $1k–$15k | 15 Jun 2026filed 22 Aug 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $1k–$15k | 12 Jun 2026filed 22 Aug 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | bought | $1k–$15k | 11 May 2026filed 1 Jul 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | bought | $15k–$50k | 15 Apr 2026filed 1 Jul 2026 |
| Donald J. Trump Executive branch: Office of Government EthicsWhite House Office | sold | $1k–$15k | 10 Apr 2026filed 1 Jul 2026 |
| Alan Armstrong Senate: U.S. Senate eFDSenator | bought | $1k–$15k | 27 Mar 2026filed 21 Jul 2026 |
| Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31 | bought | $1k–$15k | 30 Jan 2026filed 13 Feb 2026 |
Insiders
| Who | Did | Shares | Traded |
|---|---|---|---|
| William Richard WilcoxExecutive Vice President | sold | 1,100at $958.21 | 13 Oct 2026filed 14 Oct 2026 |
| Claudine AdamoExecutive Vice President | sold | 2,200at $915.93 | 29 Sep 2026filed 30 Sep 2026 |
| Caton FratesSr. Executive Vice President | sold | 800.638at $915.93 | 29 Sep 2026filed 30 Sep 2026 |
| Kenneth D. DenmanDirector | sold | 885at $957.45 | 23 Jun 2026filed 25 Jun 2026 |
| Caton FratesExecutive Vice President | sold | 700at $993.00 | 1 Apr 2026filed 1 Apr 2026 |
| Claudine AdamoExecutive Vice President | sold | 730at $1,003.02 | 9 Mar 2026filed 11 Mar 2026 |
| Teresa A. JonesExecutive Vice President | sold | 850at $986.26 | 21 Jan 2026filed 23 Jan 2026 |
| Susan L. DeckerDirector | sold | 458at $955.00 | 16 Jan 2026filed 20 Jan 2026 |
| James C. KlauerExecutive Vice President | sold | 1,500at $939.00 | 14 Jan 2026filed 15 Jan 2026 |
| Russell D. MillerSr. Executive Vice President | sold | 1,500at $916.32 | 9 Jan 2026filed 12 Jan 2026 |
Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.
Institutions
Still reading this part; it fills in a moment.
News
Everyone who traded it
Same industry
Government contracts
No federal award is tied to it.
From its SEC filings
Analyst forecasts
No analyst forecasts yet.