REGENERON PHARMACEUTICALS, INC. — Director's Dealing 2017

Aug 23, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REGENERON PHARMACEUTICALS INC (REGN)
CIK: 0000872589
Period of Report: 2017-08-21

Reporting Person: VAGELOS P ROY (Director, Chairman of the Board)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-21	Common Stock	S	22118	$470.23	Disposed	363638	Direct
2017-08-21	Common Stock	S	1951	$471.09	Disposed	361687	Direct
2017-08-21	Common Stock	S	200	$472.16	Disposed	361487	Direct
2017-08-22	Common Stock	S	400	$470.64	Disposed	361087	Direct
2017-08-22	Common Stock	S	600	$471.63	Disposed	360487	Direct
2017-08-22	Common Stock	S	900	$472.67	Disposed	359587	Direct
2017-08-22	Common Stock	S	200	$473.65	Disposed	359387	Direct
2017-08-22	Common Stock	S	2400	$474.64	Disposed	356987	Direct
2017-08-22	Common Stock	S	5610	$475.49	Disposed	351377	Direct
2017-08-22	Common Stock	S	5744	$476.46	Disposed	345633	Direct
2017-08-22	Common Stock	S	3473	$477.52	Disposed	342160	Direct
2017-08-22	Common Stock	S	1600	$478.51	Disposed	340560	Direct
2017-08-22	Common Stock	S	600	$479.63	Disposed	339960	Direct
2017-08-22	Common Stock	S	5250	$480.62	Disposed	334710	Direct
2017-08-22	Common Stock	S	4661	$481.37	Disposed	330049	Direct
2017-08-22	Common Stock	S	400	$482.72	Disposed	329649	Direct
2017-08-22	Common Stock	S	106	$483.0	Disposed	329543	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2300	Indirect
Common Stock	150285	Indirect
Common Stock	83652	Indirect
Common Stock	1203	Indirect

Footnotes

F1: Represents volume-weighted average price of sales of 22,118 shares of Company stock on August 21, 2017 at prices ranging from $470.00 to $470.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 21, 2017 at each separate price.

F2: Represents volume-weighted average price of sales of 1,951 shares of Company stock on August 21, 2017 at prices ranging from $471.00 to $471.86. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 21, 2017 at each separate price.

F3: Represents volume-weighted average price of sales of 200 shares of Company stock on August 21, 2017 at prices ranging from $472.08 to $472.24 Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 21, 2017 at each separate price.

F4: Represents volume-weighted average price of sales of 400 shares of Company stock on August 22, 2017 at prices ranging from $470.50 to $470.84. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F5: Represents volume-weighted average price of sales of 600 shares of Company stock on August 22, 2017 at prices ranging from $471.16 to $471.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F6: Represents volume-weighted average price of sales of 900 shares of Company stock on August 22, 2017 at prices ranging from $472.38 to $472.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F7: Represents volume-weighted average price of sales of 200 shares of Company stock on August 22, 2017 at prices ranging from $473.55 to $473.75. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F8: Represents volume-weighted average price of sales of 2,400 shares of Company stock on August 22, 2017 at prices ranging from $474.00 to $474.91. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F9: Represents volume-weighted average price of sales of 5,610 shares of Company stock on August 22, 2017 at prices ranging from $475.00 to $475.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F10: Represents volume-weighted average price of sales of 5,744 shares of Company stock on August 22, 2017 at prices ranging from $476.01 to $476.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F11: Represents volume-weighted average price of sales of 3,473 shares of Company stock on August 22, 2017 at prices ranging from $477.00 to $477.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F12: Represents volume-weighted average price of sales of 1,600 shares of Company stock on August 22, 2017 at prices ranging from $478.10 to $478.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F13: Represents volume-weighted average price of sales of 600 shares of Company stock on August 22, 2017 at prices ranging from $479.00 to $479.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F14: Represents volume-weighted average price of sales of 5,250 shares of Company stock on August 22, 2017 at prices ranging from $480.06 to $480.97. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F15: Represents volume-weighted average price of sales of 4,661 shares of Company stock on August 22, 2017 at prices ranging from $481.00 to $481.95. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 22, 2017 at each separate price.

F16: By a trust for the benefit of certain grandchildren of the reporting person, of which the reporting person and/or the spouse of the reporting person is trustee.