YANCOPOULOS GEORGE

REGN

YANCOPOULOS GEORGE serves as Bd. Co-Chair, President & CSO at Regeneron Pharmaceuticals, Inc. (REGN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

9 trades

$345.04M

Net Position

Net Seller

$345.04M

Companies Traded

REGN

Active Period

Jun 2021 – Jan 2026

9 total trades

Most Recent

Sell REGN

Jan 5, 2026 · $22.06M

YANCOPOULOS GEORGE's Insider Trading at Regeneron Pharmaceuticals, Inc. (REGN)

Buys

0 · $0.00

Sells

9 · $345.04M

Total Shares Bought

Total Shares Sold

474,137

REGN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jan 5, 2026	Sell	28,570	$772.09	$22.06M	0
Dec 11, 2025	Sell	131,874	$701.51	$92.51M	0
May 17, 2024	Sell	100,000	$974.30	$97.43M	886,272
May 1, 2024	Sell	16,848	$900.00	$15.16M	180,000
Mar 27, 2023	Sell	3,656	$804.26	$2.94M	200,250
Feb 8, 2023	Sell	13,189	$800.08	$10.55M	200,504
Aug 17, 2021	Sell	50,000	$625.29	$31.26M	936,710
Aug 6, 2021	Sell	50,000	$600.06	$30.00M	937,483
Jun 23, 2021	Sell	80,000	$538.90	$43.11M	81,370