CIK 0000909832 · Large accelerated filer
COSTCO WHOLESALE CORP /NEW
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- COST
- Exchange
- Nasdaq
- Industry
- Retail-Variety Stores
- FY end
- Aug 30
- Incorporated
- WA
- Entity type
- operating
- EIN
- 911223280
- Phone
- 4253138100
- Business address
- 999 LAKE DRIVE, ISSAQUAH, WA, 98027-
- Former names
- COSTCO COMPANIES INC, PRICE/COSTCO INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $5,607,022
- in 5 filings
Net −$5,607,022. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- Adamo Claudine −$2.0M Executive Vice President sold 24% of stake
- Wilcox William Richard −$1.1M Executive Vice President sold 26% of stake
- Jones Teresa A. −$976K Executive Vice President sold 14% of stake
- George Sarah Catherine −$829K Executive Vice President sold 20% of stake
- Frates Caton −$733K Sr. Executive Vice President sold 9% of stake
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-12 | George Sarah Catherine Executive Vice President | Sale | −756.44 | $1,096.01 | $829K | 3,111.64 |
| 2026-11-11 | Jones Teresa A. Executive Vice President | Sale | −900 | $1,083.95 | $976K | 5,698.27 |
| 2026-11-11 | Jones Teresa A. Executive Vice President | Gift | −200 | 5,498.27 | ||
| 2026-10-22 | Sullivan John Christopher Executive VP | Grant or award | +4,552 | 52,223.14 | ||
| 2026-10-22 | Sullivan John Christopher Executive VP | Shares withheld for taxes | −572.83 | $1,018.21 | $583K | 51,650.31 |
| 2026-10-22 | Sullivan John Christopher Executive VP | Shares withheld for taxes | −647.3 | $1,018.21 | $659K | 51,003.01 |
| 2026-10-22 | Sullivan John Christopher Executive VP | Shares withheld for taxes | −975.02 | $1,018.21 | $993K | 50,027.99 |
| 2026-10-22 | Sullivan John Christopher Executive VP | Shares withheld for taxes | −732.3 | $1,018.21 | $746K | 49,295.69 |
| 2026-10-22 | Sullivan John Christopher Executive VP | Shares withheld for taxes | −835.79 | $1,018.21 | $851K | 48,459.9 |
| 2026-10-22 | Self Adam Webb Executive Vice President | Shares withheld for taxes | −61.66 | $1,018.21 | $63K | 3,467.69 |
| 2026-10-22 | Self Adam Webb Executive Vice President | Shares withheld for taxes | −64.21 | $1,018.21 | $65K | 3,403.48 |
| 2026-10-22 | Self Adam Webb Executive Vice President | Shares withheld for taxes | −57.33 | $1,018.21 | $58K | 3,346.15 |
| 2026-10-22 | Self Adam Webb Executive Vice President | Shares withheld for taxes | −36.04 | $1,018.21 | $37K | 3,310.1 |
| 2026-10-22 | Self Adam Webb Executive Vice President | Shares withheld for taxes | −40.52 | $1,018.21 | $41K | 3,269.59 |
| 2026-10-22 | POLIT JAVIER Executive Vice President | Grant or award | +4,129 | 14,318.59 | ||
| 2026-10-22 | POLIT JAVIER Executive Vice President | Shares withheld for taxes | −390.87 | $1,018.21 | $398K | 13,927.72 |
| 2026-10-22 | POLIT JAVIER Executive Vice President | Shares withheld for taxes | −294.3 | $1,018.21 | $300K | 13,633.42 |
| 2026-10-22 | POLIT JAVIER Executive Vice President | Shares withheld for taxes | −337.01 | $1,018.21 | $343K | 13,296.41 |
| 2026-10-22 | POLIT JAVIER Executive Vice President | Shares withheld for taxes | −549.44 | $1,018.21 | $559K | 12,746.98 |
| 2026-10-22 | MILLERCHIP GARY Executive Vice President | Grant or award | +6,140 | 21,605.3 |
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