Meta CEO Mark Zuckerberg has committed to remaining in Silicon Valley for eight years, potentially exposing himself to billions in taxes if California voters approve a controversial ballot measure in November, according to a company regulatory filing released Wednesday. The 109-page document reveals that Zuckerberg briefly considered leaving the state over the tax proposal but ultimately struck a deal with Meta's board linking his ability to sell newly created company shares to his continued California residence. The arrangement aims to keep the CEO in close proximity to Meta's artificial intelligence research operations.
During a September 9 dinner with board members, Zuckerberg disclosed he was weighing a departure from California because of Proposition 40 and planned to put his Palo Alto home on the market four days later, the filing stated. The ballot measure would impose a one-time 5 percent levy on stock and other holdings owned by billionaires in the state as of January 2026. Zuckerberg currently takes just $1 in annual salary and avoids substantial tax bills by borrowing against his shares, a strategy employed by many affluent individuals. He bought a Florida residence in February, the Wall Street Journal reported at the time.
The special board committee—comprising attorney Robert Kimmitt, venture capitalist Charlie Songhurst, and DoorDash CEO Tony Xu—worried about difficulties Meta faced when Zuckerberg couldn't be physically present with management during the COVID-19 pandemic, according to the filing. Within days of the dinner, they reached an agreement finalized a week ago. Meta will create a new class of nonvoting shares distributed automatically to all existing shareholders in proportion to their current holdings. Under the "Founder Alignment Agreement," Zuckerberg can sell 20 percent of those new shares to cover any taxes owed, while the remaining 80 percent become available for sale in increments over eight years only if he stays in California. Early sales would require offloading some of his voting shares "unless there are material unforeseen circumstances that would render it prudent or advisable for Zuckerberg to reside elsewhere," the filing noted.
The arrangement offers Meta a way to raise funds for costly AI data center investments without weakening Zuckerberg's voting control. However, the agreement technically requires only that Zuckerberg remain wherever Meta maintains its headquarters, meaning both he and the company could relocate together to another state—a path several California firms took in recent years by moving to Texas, Nevada, and elsewhere. Google cofounders Sergey Brin and Larry Page are among billionaires widely thought to have left California over the potential tax. Yet with much of the most cutting-edge AI development concentrated in Silicon Valley, the filing stated the goal is to keep Zuckerberg leading the company from California and near Meta Superintelligence Labs, the division responsible for its recent Muse AI models.
The entire negotiation may prove unnecessary. Recent polling suggests that with approximately $129 million spent campaigning against Proposition 40, the measure will likely fail to secure enough votes, according to the filing. The eight-year commitment nonetheless signals how seriously Meta's board views the risks of geographic separation between its CEO and core innovation hubs. The unusual share structure reflects the growing tension between tax-driven executive mobility and the clustering advantages that still define technology leadership.