Transaction · 0000909832-26-000105

Barbre Tiffany Marie

Barbre Tiffany Marie, PAO, reported a transaction classified as withholding at COSTCO WHOLESALE CORP NEW involving 90.230000 shares for an estimated $91873.09. Reported holdings after the transaction were 7030.218000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FPAO
COSTCOSTCO WHOLESALE CORP NEW
Trade date
Oct 22, 2026
Filing date
Oct 26, 2026
View on SEC Insider profile
Disclosed value-$91.8kShares × reported price
Shares traded90$1,018.21 per share
Holdings after7.03kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

COST price since this filing

Daily closing prices, with the filing date and available return windows
COST · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -10.5%1w ago -2.7%1d ago -0.7%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0000909832-26-000105
Common Stock
Transaction date
Oct 22, 2026
Filed Oct 26, 2026, 10:15 PM · 4d delay
Shares
90.23 sh
$1,018.21 per share
Estimated value
-$91.8k
Computed from shares × price
Holdings after
7,030.218 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% NoOther Yes
Footnotes & amended
  1. F1

    Grant of Restricted Stock Units. Vests one-fifth on October 22, 2027, and one-fifth annually on October 22 for the following four years. In addition, under the 2019 Stock Incentive Plan, this grant is…

  2. F2

    Not applicable. Grant of Restricted Stock Units.

  3. F3

    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 s…

Original filing · 0000909832-26-000105
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