George L Sing

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
2 Jan 25	REGN Regeneron Pharmaceuticals	Common Stock	Grant	Acquire A	No	No	0	166	0.00	27,828
2 Jan 25	REGN Regeneron Pharmaceuticals	NQSO Common Stock	Grant	Acquire A	No	No	719.37	1,958	1.41 mm	1,958
31 Dec 24	REGN Regeneron Pharmaceuticals	Common Stock	Payment of exercise	Dispose F	No	No	708.19	1,948	1.38 mm	27,662
31 Dec 24	REGN Regeneron Pharmaceuticals	Common Stock	Option exercise	Acquire M	No	No	413.33	3,338	1.38 mm	29,610
31 Dec 24	REGN Regeneron Pharmaceuticals	NQSO Common Stock	Option exercise	Dispose M	No	No	413.33	3,338	1.38 mm	0
4 Sep 24	REGN Regeneron Pharmaceuticals	Common Stock	Gift	Dispose G	No	No	0	1,200	0.00	26,272
3 May 24	REGN Regeneron Pharmaceuticals	Common Stock	Payment of exercise	Dispose F	No	No	942.53	877	826.60 k	27,472
3 May 24	REGN Regeneron Pharmaceuticals	Common Stock	Option exercise	Acquire M	No	No	413.33	2,000	826.66 k	28,349
3 May 24	REGN Regeneron Pharmaceuticals	NQSO Common Stock	Option exercise	Dispose M	No	No	413.33	2,000	826.66 k	3,338
26 Feb 24	REGN Regeneron Pharmaceuticals	Common Stock	Sell	Dispose S	No	No	995	500	497.50 k	26,349

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.