Costco Wholesale EVP Yoram Rubanenko Acquires RSUs and Withholds Shares for Taxes
COSTCO WHOLESALE CORP /NEW
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Filing Summary
COSTCO WHOLESALE CORP (COST) - Form 4 Filing
Insider: Rubanenko Yoram (Executive Vice President)
Date: 2026-09-10
Transactions:
• Grant (Code A): +4,129 shares @ $0.00 (Performance RSU satisfaction)
• Tax Withholding (Code F): -1,695.952 shares @ $902.38 ($1.53M)
Ending Holdings: 10,680.167 shares (Direct)
Significance: Low (Routine compensation / tax withholding)
Comprehensive Analysis
Executive Summary
On September 14, 2026, Costco Wholesale Corp (COST) filed a Form 4 on behalf of Executive Vice President Yoram Rubanenko. The filing reports equity compensation events that occurred on September 10, 2026, including the certification and vesting of performance-based Restricted Stock Units (RSUs) and associated share withholding for tax obligations.
Transaction Breakdown
-
Performance RSU Grant / Certification (Code A):
- Shares Acquired: 4,129 shares of Common Stock
- Price: $0.00 per share
- Context: Pertains to an award initially granted on October 22, 2025, where fiscal 2026 performance conditions were deemed satisfied by the Compensation Committee. Shares vest 20% on the first anniversary and 20% annually thereafter.
-
Tax Withholding (Code F):
- Shares Disposed: 1,695.952 shares
- Price: $902.38 per share
- Total Value: ~$1,530,393.16
- Context: Routine withholding of shares to cover statutory tax liabilities arising from vesting.
Holdings Summary
Following these transactions, Yoram Rubanenko directly beneficially owns 10,680.167 shares of Costco Wholesale Common Stock.
Market Impact & Trading Significance
This filing represents standard executive equity compensation activity and mandatory tax withholding rather than open-market discretionary trading. Consequently, the trading significance is rated Low.
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