COST Insider Trading 2026
Costco Wholesale Corp - Executive & director stock transactions
Net Sentiment
Bullish
Insider Buys
20
Insider Sells
0
Stock Price
$1010.79
Recent Insider Transactions
Insider
Executive
2026-01-14
BUY
1,500 shares
Insider
Executive
2026-01-09
BUY
1,500 shares
Insider
Executive
2025-12-29
BUY
2,049 shares
Insider
Executive
2025-12-30
BUY
558.305 shares
Insider
Executive
2025-12-19
BUY
325 shares
Insider
Executive
2025-12-15
BUY
2,827 shares
Insider
Executive
2025-11-07
BUY
2,400 shares
Insider
Executive
2025-11-10
BUY
4,120 shares
Insider
Executive
2025-10-22
BUY
2,118 shares
Insider
Executive
2025-10-22
BUY
113.53 shares
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View Full AnalysisFrequently Asked Questions
Are insiders buying or selling COST?
In recent months, COST insiders have made 20 purchases and 0 sales. More insider buying than selling suggests confidence in the company.
What is COST insider trading activity?
COST has had 20 insider transactions recently. Total insider buying: $0. Total insider selling: $0.
Why do insiders buy COST stock?
Insiders (executives, directors, major shareholders) may buy COST stock because they believe it's undervalued or expect positive developments. Insider buying is often seen as a bullish signal since they have deep knowledge of the company.
Why do insiders sell COST stock?
Insiders may sell for various reasons including diversification, personal financial needs, or as part of planned 10b5-1 trading plans. Insider selling doesn't always indicate bearish sentiment - context matters.
What is the net insider activity for COST?
COST insiders have net sold $0 worth of stock recently. Net selling may reflect profit-taking or diversification needs.
How do I track COST insider trades?
COST insider trades are disclosed through SEC Form 4 filings, which must be submitted within 2 business days of the transaction. This page automatically tracks and displays the latest Form 4 filings for Costco Wholesale Corp.
What is a 10b5-1 trading plan for COST?
A 10b5-1 trading plan allows COST insiders to set up predetermined trading schedules when they don't have material non-public information. This protects executives from insider trading accusations while allowing them to diversify holdings.
Is COST insider buying a good sign?
COST insider buying can be a positive signal since executives know the company intimately. However, context matters - consider the size of purchases relative to their holdings, the number of insiders buying, and whether it's open market purchases versus options exercises.