RAIKES JEFFREY S
- Shares
- 6.04K
- % company
- <0.01%
Filed Jul 10, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NasdaqGS · Consumer Staples · Holders
Costco Wholesale Corporation (COST) Insider Trading History
Recent Form 4 insider activity for COST, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 19, 1:20 PM EDT · Statements May 9, 8:00 PM EDT
Ownership read
COST insider sentiment: Net selling.
15 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
COST
Purchases0
Sales138.88K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$129.37M sold / — bought
Latest filing
Jul 10, 2026
Most recent holder or insider filing date
Filings shown
93
93 insider
- Latest filing
- Jul 10, 2026
- Most recent holder or insider filing date
- Insider rows
- 93
- Market data source
Recent insider transactions
Costco Wholesale Corporation (COST) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
DENMAN KENNETH D
- Shares
- 4.78K
- % company
- <0.01%
- Price
- $957.45
- Value
- $4,575,665
Filed Jun 23, 2026
Frates Caton
- Shares
- 5.82K
- % company
- <0.01%
- Price
- $993.00
- Value
- $5,774,295
Filed Apr 1, 2026
MILLERCHIP GARY
- Shares
- 15.46K
- % company
- <0.01%
- Price
- $992.23
- Value
- $15,344,837
Filed Mar 11, 2026
Adamo Claudine
- Shares
- 6.12K
- % company
- <0.01%
- Price
- $1,003
- Value
- $6,139,492
Filed Mar 9, 2026
Jones Teresa A.
- Shares
- 3.93K
- % company
- <0.01%
Filed Jan 27, 2026
RAIKES JEFFREY S
- Shares
- 11.29K
- % company
- <0.01%
Filed Jan 27, 2026
Jones Teresa A.
- Shares
- 4.23K
- % company
- <0.01%
- Price
- $986.26
- Value
- $4,169,893
Filed Jan 21, 2026
Raimondo Gina Marie
- Shares
- 215
- % company
- <0.01%
Filed Jan 16, 2026
DECKER SUSAN L
- Shares
- 8.53K
- % company
- <0.01%
- Price
- $955.00
- Value
- $8,148,060
Filed Jan 16, 2026
Klauer James C
- Shares
- 44.84K
- % company
- 0.01%
- Price
- $939.00
- Value
- $42,101,943
Filed Jan 14, 2026
Miller Russell D
- Shares
- 8.24K
- % company
- <0.01%
- Price
- $916.32
- Value
- $7,550,477
Filed Jan 9, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | RAIKES JEFFREY S | <0.01% | GiftGift transfer. Usually non-cash and not an open-market sale. | 6.04K | Jul 10, 2026 |
| 2 | DENMAN KENNETH D | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 4.78K | Jun 23, 2026 |
| 3 | Frates Caton | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 5.82K | Apr 1, 2026 |
| 4 | MILLERCHIP GARY | <0.01% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 15.46K | Mar 11, 2026 |
| 5 | Adamo Claudine | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 6.12K | Mar 9, 2026 |
| 6 | Jones Teresa A. | <0.01% | GiftGift transfer. Usually non-cash and not an open-market sale. | 3.93K | Jan 27, 2026 |
| 7 | RAIKES JEFFREY S | <0.01% | GiftGift transfer. Usually non-cash and not an open-market sale. | 11.29K | Jan 27, 2026 |
| 8 | Jones Teresa A. | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 4.23K | Jan 21, 2026 |
| 9 | Raimondo Gina Marie | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 215 | Jan 16, 2026 |
| 10 | DECKER SUSAN L | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 8.53K | Jan 16, 2026 |
| 11 | Klauer James C | 0.01% | SaleOpen-market or direct sale reported on Form 4. | 44.84K | Jan 14, 2026 |
| 12 | Miller Russell D | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 8.24K | Jan 9, 2026 |
Showing 12 of 93 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported COST insider?
Callans Patrick J has the largest absolute share movement in the displayed COST filing rows, totaling 430,607 shares. The action labels provide the transaction context.