Regeneron Pharmaceuticals Ownership & Insider Activity

Regeneron Pharmaceuticals (REGN) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.3% of shares outstanding. Institutional investors hold 63.6%.

Shares Outstanding

102.955M

Shares Float

97.316M

Insider Shares Owned

1.318M

Insider % Owned

1.3%

Institutional Shares Held

65.509M

Institutional % Held

63.6%

Ownership Breakdown

Congressional Trading Activity

Date	Member	Party	Chamber	Action	Amount
May 15, 2026	Gilbert Ray Cisneros	D	House	Sale	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Purchase	$1,001 - $15,000
Feb 12, 2026	Julia Letlow	R	House	Purchase	$1,001 - $15,000
Nov 18, 2025	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
May 15, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Apr 10, 2025	Byron Donalds	R	House	Sale	$1,001 - $15,000
Apr 10, 2025	Byron Donalds	R	House	Sale	$1,001 - $15,000
Apr 8, 2025	Robert Bresnahan	R	House	Sale	$1,001 - $15,000
Apr 7, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
Apr 1, 2025	Julie Johnson	D	House	Sale	$1,001 - $15,000
Feb 25, 2025	Robert Bresnahan	R	House	Sale	$1,001 - $15,000
Feb 12, 2025	Julie Johnson	D	House	Sale (Partial)	$1,001 - $15,000
Jan 24, 2025	Josh Gottheimer	D	House	Sale	$1,001 - $15,000
Jan 15, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
Nov 29, 2024	Josh Gottheimer	D	House	Sale	$1,001 - $15,000
Nov 19, 2024	Josh Gottheimer	D	House	Sale	$1,001 - $15,000
Nov 13, 2024	Jonathan Jackson	D	House	Sale	$15,001 - $50,000
Nov 1, 2024	Jonathan Jackson	D	House	Sale (Partial)	$1,001 - $15,000
Oct 23, 2024	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000
Oct 15, 2024	Greg Landsman	D	House	Sale	$1,001 - $15,000