Bassler Bonnie L bought REGN

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.

Direction
Acquired (buy-side)
Shares
1,500
Price
$374.12
Total value
$561.2K
Role
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJanuary 7, 2026
Filing dateJanuary 8, 2026
Shares owned after3,203
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on May 2, 2025.

View the original Form 4 on SEC EDGAR