Costco Senior EVP Caton Frates Sells $733K in Company Stock

Costco Wholesale Corp. Senior Executive Vice President Caton Frates sold 800.638 shares of company stock on September 29, 2026, in a transaction valued at approximately $733,328. The sale was executed at a price of $915.93 per share, according to a Form 4 filing with the Securities and Exchange Commission.

Following the completion of this transaction, Frates retains direct ownership of 7,912 shares of Costco common stock. The filing, which was made public on September 30, 2026, provides transparency regarding the executive's equity position within the company.

Understanding Insider Form 4 Filings

Under U.S. securities regulations, corporate insiders, including officers, directors, and significant shareholders, must report changes in their ownership of company equity to the SEC. Form 4 filings must be submitted within two business days following the date of a transaction.

These disclosures are monitored by market participants for insights into how company leadership views the firm's valuation. While sales are often part of pre-planned divestment programs or personal financial management, they provide a concrete look at the movement of shares held by those with internal access to company performance data.

Costco Market Context

Costco operates a membership-based retail model that has historically demonstrated stability in varied economic cycles. As of the September 29 transaction date, the company's stock was trading at $915.93 per share. This sale represents a portion of the holdings managed by a senior member of the executive team who oversees key aspects of the company's wholesale operations.

Investors analyze these filings alongside the company's broader financial disclosures, such as quarterly earnings reports and annual 10-K filings, to assess whether insider activity aligns with the company's stated growth strategies and operational performance.