Form 4: Coinbase CEO Brian Armstrong Converts Class B Shares, Sells Class A Stock Under Pre-Arranged Plan

Coinbase Global, Inc. CEO Brian Armstrong reported the conversion of Class B common stock to Class A common stock and subsequent sales of Class A shares totaling over 24,000 units, all executed under a Rule 10b5-1 trading plan.

Summary

• Brian Armstrong, Chairman and CEO of Coinbase Global, Inc. and a 10% owner, filed a Form 4 detailing recent stock transactions.
• On June 11, 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, The Brian Armstrong Living Trust sold a total of 24,000 shares of Class A Common Stock on June 11, 2025.
• The sales were executed at weighted average prices of $254.88 (11,717 shares), $255.6591 (11,904 shares), and $256.4709 (1,379 shares).
• All reported transactions were made pursuant to a Rule 10b5-1 trading plan adopted by Mr. Armstrong on August 15, 2024.
• After these transactions, The Brian Armstrong Living Trust beneficially owns 25,526 shares of Class A Common Stock and 23,931,225 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, though he disclaims beneficial ownership except for any pecuniary interest.

Sentiment

Score: 5

Explanation: The sentiment is neutral as this is a factual report of pre-planned insider stock transactions, which are routine and do not inherently indicate positive or negative company performance.

Positives

• The transactions were conducted under a Rule 10b5-1 trading plan, adopted on August 15, 2024, which indicates pre-scheduled sales and enhances transparency, mitigating concerns about opportunistic insider trading.
• The conversion of Class B to Class A common stock provides liquidity and flexibility for the reporting person.

Negatives

• The sale of a significant number of Class A shares by the CEO, even if pre-planned, could be perceived negatively by some investors as it reduces his direct equity stake in the company's publicly traded shares.

Risks

• While executed under a 10b5-1 plan, large insider sales can sometimes lead to negative market sentiment or speculation, potentially impacting the stock price.

Future Outlook

This document is a factual report of past transactions and does not contain forward-looking statements or guidance regarding the company's future performance or outlook.

Management Comments

• The transactions reported on this line 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

This filing reflects routine insider stock transactions common across publicly traded companies, particularly for executives managing their personal portfolios and liquidity. The use of a 10b5-1 plan is a standard practice for executives to sell shares in a pre-arranged, compliant manner, especially in volatile sectors like cryptocurrency exchanges.

Corporate Governance

Related Party Transactions

• Transactions involved The Brian Armstrong Living Trust, which is directly controlled by Brian Armstrong.
• Shares are also held by The Ehrsam 2014 Irrevocable Trust, for which Brian Armstrong is trustee, though he disclaims beneficial ownership except for pecuniary interest.

Stakeholder Impact

• Shareholders: May observe a reduction in the CEO's direct Class A shareholdings, but the 10b5-1 plan context suggests a planned liquidity event rather than a lack of confidence.
• Regulatory Authorities: The filing demonstrates compliance with Section 16(a) of the Securities Exchange Act of 1934 and the use of a Rule 10b5-1 plan.

Key Dates

Keywords

Coinbase, COIN, Brian Armstrong, SEC Form 4, Insider Trading, Stock Sale, 10b5-1 Plan, Beneficial Ownership, Class A Common Stock, Class B Common Stock, Executive Compensation