Marion McCourt - Nov 1, 2023 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Signature
/s/**Marion McCourt
Stock symbol
REGN
Transactions as of
Nov 1, 2023
Transactions value $
-$402,510
Form type
4
Date filed
11/2/2023, 04:03 PM
Previous filing
Oct 3, 2023
Next filing
Dec 12, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction REGN Common Stock Options Exercise $381K +1K +5.05% $381.40 20.8K Nov 1, 2023 Direct F1
transaction REGN Common Stock Sale -$784K -1K -4.81% $783.91 19.8K Nov 1, 2023 Direct F1
holding REGN Common Stock 158 Nov 1, 2023 By 401(k) Plan

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction REGN Non-Qualified Stock Option (right to buy) Options Exercise $0 -1K -10% $0.00 9K Nov 1, 2023 Common Stock 1K $381.40 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 16, 2023.
F2 The stock option award vests in four equal annual installments, commencing one year after the date of grant.