March 2, 2026 · Form 4 insider transaction
RYAN ARTHUR F sold 20 shares of Regeneron Pharmaceuticals, Inc. at $788.96 per share, a transaction worth $15.8K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on October 31, 2025.