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Costco Wholesale EVP Pierre Riel Acquires Performance Shares and Disposes Shares for Tax Withholding

Low SignificanceSeptember 14, 2026 at 9:41:59 PM UTC

COSTCO WHOLESALE CORP /NEW

$COST4CIK: 0000909832

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Filing Summary

šŸ“Š Costco Wholesale Corp ($COST) Form 4 Filing Update Insider: Pierre Riel (Executive Vice President) Transaction Date: September 10, 2026

Transactions: • Acquisition (Code A): 4,552 shares of Common Stock at $0.00 (Performance RSU satisfaction) • Tax Withholding (Code F): 1,561.66 shares disposed at $902.38 ($1,409,210.65 total value) Ending Direct Ownership: 14,246.225 shares

Trading Significance: Low (Routine performance RSU settlement and tax withholding)

Comprehensive Analysis

Insider Transaction Summary

Executive Vice President Pierre Riel reported routine equity compensation transactions involving Costco Wholesale Corp ($COST) Common Stock on September 10, 2026.

Key Details:

  1. Performance RSU Certification (Code A): 4,552 shares were earned following the Compensation Committee's determination that fiscal 2026 performance conditions were met for a grant initially awarded on October 22, 2025.
  2. Tax Withholding (Code F): 1,561.66 shares were withheld at a price of $902.38 per share to satisfy tax obligations, representing an aggregate value of approximately $1.41 million.
  3. Post-Transaction Holdings: Following these transactions, Pierre Riel directly owns 14,246.225 shares of Costco Common Stock.

Market Impact:

These transactions represent standard annual executive compensation vesting and related tax withholding, carrying Low overall trading significance.

Topics:#Costco#COST#StockMarket#InsiderTrading#Retail

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