Wilcox William Richard
Executive Vice President
SaleAlert
- Shares
- 1,100
- Price
- $958.21
- Value
- $1,054,026
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•82 filings
COST
COSTCO WHOLESALE CORP /NEW
Net sales of $3.8M over the last 3 months
3 sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
−$3,802,400
0 buyers · 3 sellers
12-month purchases
$0.00
0 distinct insiders
12-month sales
$14,626,713
9 distinct insiders
Highlighted alerts
18
0 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
No executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
100
Raw transactions
Everything returned by the filing
18
Voluntary view
P/S trades after deterministic checks
84
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- F
- Shares
- 835.79
- Price
- $1,018
- Footnotes
- 3
Grant was initially made on October 22, 2025, subject to performance conditions concerning fiscal 2026, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The earned awards vest 20% on the first anniversary of the grant date and an additional 20% vest over each of the ensuing four years based on continued employment with the Company. In addition, under the 2019 Incentive Plan, this grant is eligible for accelerated vesting upon the anniversary of the reporting person's 25th, 30th and 35th years of service. Not applicable. Grant of Restricted Stock Units. This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2026.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Frates Caton
Sr. Executive Vice President
SaleAlert
- Shares
- 800.64
- Price
- $915.93
- Value
- $733,328
Adamo Claudine
Executive Vice President
SaleAlert
- Shares
- 2,200
- Price
- $915.93
- Value
- $2,015,046
DENMAN KENNETH D
Director
SaleAlert
- Shares
- 885
- Price
- $957.45
- Value
- $847,345
Frates Caton
Executive Vice President
SaleAlert
- Shares
- 700
- Price
- $993.00
- Value
- $695,100
Adamo Claudine
Executive Vice President
SaleAlert
- Shares
- 730
- Price
- $1,003
- Value
- $732,205
Jones Teresa A.
Executive Vice President
SaleAlert
- Shares
- 850
- Price
- $986.26
- Value
- $838,318
DECKER SUSAN L
Director
SaleAlert
- Shares
- 458
- Price
- $955.00
- Value
- $437,390
Klauer James C
Executive Vice President
SaleAlert
- Shares
- 1,500
- Price
- $939.00
- Value
- $1,408,500
Miller Russell D
Sr. Executive Vice President
SaleAlert
- Shares
- 1,500
- Price
- $916.32
- Value
- $1,374,480
POLIT JAVIER
Executive Vice President
SaleAlert
- Shares
- 558.31
- Price
- $862.90
- Value
- $481,759
POLIT JAVIER
Executive Vice President
SaleAlert
- Shares
- 2,049
- Price
- $867.21
- Value
- $1,776,904
Wilcox William Richard
Executive Vice President
SaleAlert
- Shares
- 2,400
- Price
- $930.13
- Value
- $2,232,312
Barbre Tiffany Marie
Principal Accounting Officer
SaleAlert
- Shares
- 1,239.38
- Price
- $934.62
- Value
- $1,158,353
Adamo Claudine
Executive Vice President
SaleAlert
- Shares
- 2,700
- Price
- $935.68
- Value
- $2,526,336
Miller Russell D
Sr. Executive Vice President
SaleAlert
- Shares
- 3,381
- Price
- $915.00
- Value
- $3,093,615
Frates Caton
Executive Vice President
SaleAlert
- Shares
- 1,540
- Price
- $910.02
- Value
- $1,401,431
Jones Teresa A.
Executive Vice President
SaleAlert
- Shares
- 600
- Price
- $992.05
- Value
- $595,230
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Oct 13, 2026 | Wilcox William Richard Executive Vice President | Sale | 1,100 | $958.21 | $1,054,026 | |
| Sep 29, 2026 | Frates Caton Sr. Executive Vice President | Sale | 800.64 | $915.93 | $733,328 | |
| Sep 29, 2026 | Adamo Claudine Executive Vice President | Sale | 2,200 | $915.93 | $2,015,046 | |
| Jun 23, 2026 | DENMAN KENNETH D Director | Sale | 885 | $957.45 | $847,345 | |
| Apr 01, 2026 | Frates Caton Executive Vice President | Sale | 700 | $993.00 | $695,100 | |
| Mar 09, 2026 | Adamo Claudine Executive Vice President | Sale | 730 | $1,003 | $732,205 | |
| Jan 21, 2026 | Jones Teresa A. Executive Vice President | Sale | 850 | $986.26 | $838,318 | |
| Jan 16, 2026 | DECKER SUSAN L Director | Sale | 458 | $955.00 | $437,390 | |
| Jan 14, 2026 | Klauer James C Executive Vice President | Sale | 1,500 | $939.00 | $1,408,500 | |
| Jan 09, 2026 | Miller Russell D Sr. Executive Vice President | Sale | 1,500 | $916.32 | $1,374,480 | |
| Dec 30, 2025 | POLIT JAVIER Executive Vice President | Sale | 558.31 | $862.90 | $481,759 | |
| Dec 29, 2025 | POLIT JAVIER Executive Vice President | Sale | 2,049 | $867.21 | $1,776,904 | |
| Nov 07, 2025 | Wilcox William Richard Executive Vice President | Sale | 2,400 | $930.13 | $2,232,312 | |
| Oct 24, 2025 | Barbre Tiffany Marie Principal Accounting Officer | Sale | 1,239.38 | $934.62 | $1,158,353 | |
| Oct 24, 2025 | Adamo Claudine Executive Vice President | Sale | 2,700 | $935.68 | $2,526,336 | |
| Sep 29, 2025 | Miller Russell D Sr. Executive Vice President | Sale | 3,381 | $915.00 | $3,093,615 | |
| Sep 29, 2025 | Frates Caton Executive Vice President | Sale | 1,540 | $910.02 | $1,401,431 | |
| Aug 20, 2025 | Jones Teresa A. Executive Vice President | Sale | 600 | $992.05 | $595,230 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.