Regeneron (REGN) Director Huda Zoghbi Exercises Options, Sells 800 Shares

What Happened

• Director Huda Y. Zoghbi exercised 800 stock options on Aug 10, 2026 at a strike of $376.69 per share (cost $301,352) and immediately sold 800 shares in the open market at $800.00 per share, receiving $640,000. The filing also shows the related derivative (the option) was surrendered/cancelled ($0 proceeds).

Key Details

• Transaction date: 2026-08-10; Exercise: 800 shares @ $376.69 = $301,352 (acquired). Sale: 800 shares @ $800.00 = $640,000 (disposed).
• Net cash result (sale proceeds less exercise cost): $640,000 - $301,352 = $338,648 (before taxes/fees).
• Footnote F1: Disposition/acquisition made pursuant to a Rule 10b5-1(c) trading plan adopted Nov 20, 2025 (pre-arranged plan).
• Footnote F2: The stock option vests in three equal annual installments, commencing one year after grant.
• Shares owned after the transaction: not specified in the provided filing.
• Filing date: 2026-08-12 (filed within the typical two-business-day Form 4 window; not indicated as late).

Context

• This was an exercise of options followed by an immediate open-market sale (a cashless-style outcome). The 10b5-1 plan note indicates the sale was likely pre-arranged under an approved trading plan, which is a common mechanism insiders use for orderly sales and to avoid questions about trading on nonpublic information.