Meta’s $355-Million Tax Break Fight Involves Zuckerberg’s $4.1-Billion Payout

When Mark Zuckerberg exercised a huge batch of Facebook stock options in 2012 and 2013, the company counted billions of dollars of that payout as wages for research.

Meta CEO Mark Zuckerberg’s stock-option compensation is at the center of a long-running dispute over the company’s federal research tax credits. [Photo: Mark Zuckerberg Facebook]

That helped Facebook, now Meta, claim about $355 million in federal tax credits, according to U.S. Tax Court filings, Rudro Chakrabarti reported for Moneywise.

The IRS disallowed those credits, and more than a decade later, the fight still isn’t settled.

The case is back in the spotlight after a New York Times investigation published recently reported that Meta now applies the same tax break to its AI data centers, which it classifies as experimental “pilot models” for tax purposes.

Meta’s securities filings show that the research credit reduced its taxes by $3.9 billion in 2025, up from $2 billion in 2024 and $700 million in 2023.

Congress created the research and experimentation credit in 1981 to encourage companies to spend more on research.

The basic credit is worth 20% of a company’s qualified research spending above a base amount and is applied directly against its tax liability. Pay for employees who conduct research or directly supervise or support it can qualify.

Facebook claimed more than $618 million in research credits for 2012 and 2013, according to the IRS.

About $355 million of that amount came from Zuckerberg’s options, which were granted in November 2005 and later increased to 120 million shares through stock splits.

Meta argues that roughly $4.1 billion of Zuckerberg’s payout qualifies as wages for research he performed.

In a 1995 case involving Sun Microsystems, the Tax Court ruled that employee stock-option income could count as wages for the research credit. It relied on a 1992 ruling involving Apple.

The IRS’s audit guide for the credit also counts option income as research wages in the year it is exercised, provided the employee’s work qualifies.