Adamo Claudine, an insider at Costco Wholesale Corp (COST), sold 10,037 shares of the company's stock at a price of $944.68 per share on October 21, 2025. This transaction totaled $9.48 million. Following this sale, Claudine retains 10,037 shares of Costco.
Insider selling can occur for a variety of reasons, including diversification, tax planning, or personal financial needs. While significant selling may raise questions, routine transactions do not inherently signal negative sentiment towards the company.
Insider transactions are reported to the SEC, offering transparency regarding how executives view their own company’s stock. However, a single insider's selling activity should be viewed as just one data point among many. Investors are encouraged to analyze patterns of insider activity over time and across multiple insiders to gain a clearer perspective on these signals.
Costco operates in the retail sector and is headquartered in Issaquah, Washington, employing 341,000 full-time staff. The company operates 891 warehouses worldwide and has a market capitalization of $394.7 billion. As of the latest financial snapshot, Costco has a P/E ratio of 48.73 and an EPS of 18.21. Upcoming earnings are anticipated on May 27, 2026, with estimates of $4.96 EPS and $69.7 billion in revenue.