Insider Transactions

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	4,407	$549.57	519,608
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	6,390	$550.47	513,218
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	4,992	$551.43	508,226
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	3,625	$552.54	504,601
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	1,600	$553.32	503,001
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	1,101	$554.58	501,900
Dec 02, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Open market or private sale of non-derivative or derivative security	1,900	$555.26	500,000
Nov 16, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Bona fide gift	1,612	--	567,976
Nov 03, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Other acquisition or disposition	--	--	5,654
Nov 03, 2015	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Other acquisition or disposition	--	--	569,588

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