Form 4: Coinbase CEO Brian Armstrong Sells Shares Under 10b5-1 Plan

Coinbase CEO Brian Armstrong sold Class A Common Stock totaling 24,000 shares on September 4, 2025, under a pre-arranged 10b5-1 trading plan.

Summary

• Brian Armstrong, Chairman and CEO of Coinbase Global, Inc., reported transactions involving Class A and Class B Common Stock.
• On September 4, 2025, 25,000 shares of Class B Common Stock held by The Brian Armstrong Living Trust were converted into 25,000 shares of Class A Common Stock.
• Following the conversion, a total of 24,000 shares of Class A Common Stock were sold in three separate transactions on the same date.
• The sales were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Armstrong on August 15, 2024.
• The shares were sold at weighted average prices of $301.4275, $302.5748, and $303.3931.
• After these transactions, The Brian Armstrong Living Trust beneficially owns 25,526 shares of Class A Common Stock and 22,806,225 shares of Class B Common Stock.
• Additionally, 2,958,393 shares of Class B Common Stock are held by The Ehrsam 2014 Irrevocable Trust, for which Mr. Armstrong is trustee, disclaiming beneficial ownership except for pecuniary interest.

Sentiment

Score: 5

Explanation: The filing reports routine insider stock sales executed under a pre-arranged 10b5-1 trading plan, which is a common practice for executives to manage personal finances and is generally considered neutral for company operations.

Future Outlook

This filing, a Form 4, is a report of insider transactions and does not contain any forward-looking statements or guidance regarding the company's future outlook.

Management Comments

• The transactions reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2024, during an open trading window.

Industry Context

Insider stock sales, particularly when conducted under a pre-arranged 10b5-1 trading plan, are a common practice for executives across various industries, including the cryptocurrency sector, to manage personal finances and diversify holdings while adhering to insider trading regulations. This filing reflects a routine personal financial management activity by a key executive in the volatile crypto market.

Stakeholder Impact

• Shareholders: Provides transparency regarding executive stock ownership changes and personal financial management activities, which are common under 10b5-1 plans.

Key Dates

Recommendation

The filing details routine insider stock sales by CEO Brian Armstrong under a pre-arranged 10b5-1 plan. Such transactions are typically for personal financial management and do not inherently signal a change in the company's fundamental outlook or performance. Therefore, the filing itself does not warrant a change in investment recommendation.

Keywords

Coinbase, COIN, Brian Armstrong, Insider Trading, Form 4, Stock Sale, 10b5-1 Plan, Class A Common Stock, Class B Common Stock, Cryptocurrency Exchange