Coinbase Board Member Marc Andreessen Files Form 144 to Sell $2.55M in Class A Shares

Executive Overview

Coinbase Global, Inc. ($COIN) board member Marc L. Andreessen has submitted a Form 144 notice indicating the proposed sale of 13,676 shares of Class A Common Stock with an estimated aggregate market value of $2,545,513.88. The planned sale is being executed via the LAMA Community Trust through Raymond James & Associates, Inc.

Transaction Details

• Security: Class A Common Stock
• Proposed Sale Date: October 1, 2026
• Proposed Volume: 13,676 shares
• Approximate Value: $2,545,513.88
• Shares Outstanding: 222,803,032
• Origin of Securities: Distributed pro-rata for no consideration across various dates between May 2021 and March 2024 from Andreessen Horowitz funds/entities.

Trading Plan and Past Activity

• Rule 10b5-1 Plan: The proposed transactions are executed pursuant to a pre-established Rule 10b5-1 trading plan adopted on June 5, 2026.
• Past 3 Months Activity:
  • September 8, 2026: Sold 13,676 shares for gross proceeds of $2,476,518.91.
  • September 21, 2026: Sold 6,838 shares for gross proceeds of $1,402,131.90.

Significance Assessment

The proposed sale represents a negligible fraction (<0.01%) of Coinbase's total outstanding Class A common stock. Because the sales are executed under a pre-scheduled Rule 10b5-1 plan adopted months in advance, this transaction is viewed as routine portfolio diversification and wealth management rather than an indicator of shifting sentiment regarding Coinbase's operational outlook.