Meta Platforms Chief Product Officer Christopher K. Cox sold 20,000 shares on Sept. 21, 2026, at $700.50 per share, a transaction worth about $14.01 million. The sale was reported as being made under a pre-arranged 10b5-1 trading plan, meaning the timing and amount were set in advance and the trade is generally viewed as routine rather than a real-time reaction to company developments. Cox is a senior executive with influence over Meta’s product strategy, so his trades can draw attention from investors watching insider activity for clues about leadership confidence. That said, planned sales are commonly used by executives to manage diversification, taxes, or liquidity needs while reducing the appearance that trades are based on nonpublic information. This transaction also fits a recent pattern of insider selling at Meta. Cox made another large sale on Sept. 15 (about $13.50 million), and CFO Javier Olivan sold roughly $643,540 on the same day as Cox’s Sept. 21 sale. With multiple sales clustered in a short period, the key context is that Cox’s trades were plan-driven, which limits how much signal investors typically take from them.