January 7, 2026 · Form 4 insider transaction
Bassler Bonnie L bought 1,500 shares of Regeneron Pharmaceuticals, Inc. at $374.12 per share, a transaction worth $561.2K. The trade was recorded as option exercise 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 May 2, 2025.