Brian Armstrong did everything by the book. Or at least, he tried to. The Coinbase CEO sat down with the Securities and Exchange Commission 30 times over 18 months, seeking regulatory guidance on how to run a compliant crypto exchange in the US. The SEC’s response, eventually, was to sue him anyway.

That enforcement action landed in June 2023, accusing Coinbase of operating as an unregistered securities platform. It was dismissed with prejudice by February 2025, after costing the company roughly $50 million in legal defense. Now, just when the SEC chapter seemed closed, a shareholder derivative lawsuit has opened an entirely new front.

From regulator meetings to courtroom battles

Armstrong first disclosed the 30-meeting figure in a November 2023 interview, painting a picture of a company that practically begged for regulatory clarity. Over the course of a year and a half, Coinbase engaged with the SEC repeatedly, looking for feedback on how to structure its operations within existing securities law.

What they got instead was a Wells Notice, the SEC’s formal warning that enforcement action is coming.

The case’s dismissal with prejudice means the SEC can’t refile those same claims. But the $50 million price tag for that defense represents real capital that could have been deployed toward product development, international expansion, or any number of growth initiatives.

Shareholders take their shot

In March 2026, shareholder Kevin Meehan filed a derivative lawsuit in New Jersey against Armstrong and other senior Coinbase executives. The suit alleges breaches of fiduciary duty tied to statements the company made between April 2021 and June 2023, a period that roughly overlaps with those 30 SEC meetings and the lead-up to the enforcement action.

The core allegations center on two issues. First, that Coinbase executives made misleading statements about how customer assets were custodied. Second, that the company’s approach to listing certain tokens raised unaddressed compliance red flags.

The complaint also ties in a 2023 settlement with the New York Department of Financial Services, which resulted in a $50 million penalty related to anti-money laundering compliance failures. The shareholder suit argues that the NYDFS action, combined with the SEC lawsuit, reflects a pattern of governance failures that cost the company real money and reputational capital.

Meehan’s lawsuit seeks damages on behalf of Coinbase itself, not individual shareholders directly. The suit also floats the possibility of clawing back executive compensation.

The FOIA sidebar

A separate Freedom of Information Act lawsuit between the two parties reached a settlement in July 2026. That case involved missing Ethereum-related records that Coinbase had been trying to pry loose from the agency. Armstrong characterized the FOIA settlement as a victory for transparency, though the shareholder derivative suit doesn’t specifically connect any particular tokens to its claims.

What this means for investors

The company already burned through approximately $50 million defending against the SEC. Now it faces another potentially expensive legal process, this time initiated by its own shareholders. If the court finds merit in the fiduciary breach claims, the financial consequences could include executive compensation clawbacks and additional damages that directly impact the company’s bottom line.

Perhaps the most ironic dimension of this entire saga is what it says about the regulatory engagement strategy Armstrong championed. He met with the SEC 30 times, spent $50 million fighting them, won decisively, and now faces a lawsuit arguing that the whole episode proves his team failed in its duties to shareholders.