Corporate Governance | Regeneron Pharmaceuticals Inc.

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Dec 11, 2023	SCHLEIFER LEONARD S Director, Bd. Co-Chair, President & CEO	Director, Bd. Co-Chair, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	12,841	$844.09	374,429
Aug 06, 2021	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	137,145	$607.51	436,176
Aug 06, 2021	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	91,430	$607.51	504,746
May 11, 2020	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	64,631	$571.43	534,868
May 11, 2020	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	96,947	$571.43	625,421
Dec 12, 2019	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	64,754	$377.16	384,208
Dec 12, 2019	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	97,209	$377.16	474,499
Dec 13, 2018	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	96,079	$377.31	363,014
Dec 13, 2018	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	64,052	$377.31	423,962
Dec 13, 2017	SCHLEIFER LEONARD S Director, President & CEO	Director, President & CEO	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	14,230	$385.08	393,179

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.

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