Coinbase Director Marc Andreessen Sells $2.48M in Class A Shares Under 10b5-1 Plan

Insider Transaction Summary

Marc L. Andreessen, Director of Coinbase Global, Inc. ($COIN), reported the sale of 13,676 shares of Class A Common Stock on September 8, 2026.

• Transaction Type: Open Market Sale (Code S)
• Execution Price: Weighted average of $181.1392 (range: $180.76 – $181.625)
• Gross Proceeds: $2,477,259.70
• Ownership Structure: Indirectly held via the LAMA Community Trust, of which Mr. Andreessen and his spouse are trustees.
• Remaining Holdings:
  • 1,136,324 shares held indirectly through the LAMA Community Trust
  • 2,568 shares held indirectly through AD Holdings, LLC

Plan & Context

• The transactions were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on June 5, 2026, during an open trading window.
• Given that the sale accounts for approximately 1.2% of the reporting person's indirect trust holdings and was executed under a pre-established plan, it represents routine portfolio management rather than a discretionary trading signal.