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Politics · October 22, 2026

Mark Zuckerberg moves to counter California’s billionaire tax

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Meta Platforms Inc. has entered into a 'Founder Alignment Agreement' with CEO Mark Zuckerberg to prevent him from relocating outside of California. The agreement, disclosed in an SEC filing, follows Zuckerberg's notification to the board that he intended to sell his home due to California's Proposition 40, a ballot measure proposing a one-time tax on billionaires. The deal includes the creation of a new class of shares to maintain Zuckerberg's voting control while allowing for asset liquidation to cover potential tax liabilities.

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Reported across the spectrum

  • Meta Platforms Inc. reached an agreement with Mark Zuckerberg to keep him as a California resident.
  • Zuckerberg informed the company's special committee of plans to list his Palo Alto home for sale due to a proposed billionaire wealth tax.
  • California voters will decide on 'Proposition 40', a one-time billionaire tax, in November.
  • The agreement involves the creation of 'Class C Shares' to preserve Zuckerberg's voting power if he sells existing shares.

Reported by only some outlets

  • Zuckerberg's net worth is estimated at approximately $239 billion.
  • The proposed tax could amount to 5% of a billionaire's net worth.
  • Zuckerberg is currently ranked as the 6th richest person in the world by Forbes.
  • The SEC filing was made in October following discussions that began in September.

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