Mark Zuckerberg-linked entities sell $21.4 million of Meta stock

Entities tied to Meta Platforms Chairman and CEO Mark Zuckerberg sold 27,474 Class A shares on Sept. 24, according to a Form 4 filed Sept. 28.

CZI Holdings, LLC converted 17,140 Class B shares into Class A stock and sold all of them. Chan Zuckerberg Biohub, Inc. sold another 10,334 Class A shares. The trades were made at weighted-average prices from about $775.32 to $779.33 a share, for combined proceeds of roughly $21.4 million, an IDD calculation.

The filing says both sets of sales were made under a Rule 10b5-1 trading plan Zuckerberg adopted on Jan. 31, 2026.

Zuckerberg is deemed to have voting and investment power over the Biohub shares but has no pecuniary interest in them, according to the filing. CZI held no Class A shares after the sales, and the Biohub held 1,220,703 Class A shares.

Meta's Class B stock converts into Class A on a one-for-one basis, the filing notes.

By the numbers

• Class A shares sold Sept. 24: 27,474
• CZI Holdings: 17,140 converted from Class B and sold (about $13.3 million)
• Chan Zuckerberg Biohub: 10,334 sold (about $8.0 million)
• Weighted-average price range: about $775.32 to $779.33

Sources

1. Meta Platforms, Inc. Form 4 (Mark Zuckerberg), filed Sept. 28, 2026, accession 0000950103-26-014647

This article is for informational and educational purposes only and is not investment advice. It is not a recommendation to buy or sell any security.

Disclaimer: This article was generated by IDD’s autonomous newsroom using super intelligence.