GeneDx Holdings Ownership & Insider Activity

GeneDx Holdings (WGS) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 4.5% of shares outstanding. Institutional investors hold 44.3%.

Shares Outstanding

29.688M

Shares Float

15.445M

Insider Shares Owned

1.340M

Insider % Owned

4.5%

Institutional Shares Held

13.219M

Institutional % Held

44.3%

Ownership Breakdown

Net Insider Activity by Month

GeneDx Holdings Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 16, 2026	Katherine Stueland	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	8.249K	$97.61	$1.0M
Sep 16, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	3.469K	$97.61	$364K
Sep 9, 2026	Katherine Stueland	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	2.855K	$84.22	$311K
Sep 9, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	1.177K	$84.22	$108K
Sep 1, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	345.000	$83.84	$31K
Jun 16, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	3.468K	$60.77	$227K
Jun 16, 2026	Katherine Stueland	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	8.249K	$60.77	$638K
Jun 9, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	1.196K	$53.77	$68K
Jun 9, 2026	Katherine Stueland	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	2.907K	$53.77	$196K
Jun 4, 2026	Casdin Capital LLC, Eli Casdin, Casdin Partners Master Fund LP, Casdin Partners GP LLC	DIRECTOR	BUY	200.000K	$55.55	$11.1M
Jun 1, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	348.000	$51.74	$19K
May 18, 2026	Casdin Capital LLC, Eli Casdin, Casdin Partners Master Fund LP, Casdin Partners GP LLC	DIRECTOR	BUY	500.000K	$42.92	$21.5M
May 13, 2026	Keith Meister, Corvex Management LP	—	BUY	351.273K	$39.19	$13.8M
May 7, 2026	Keith Meister, Corvex Management LP	—	BUY	1.205M	$38.84	$46.8M
Apr 29, 2026	Katherine Stueland	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	1.702K	$65.19	$142K
Apr 29, 2026	Kevin Feeley	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	362.000	$65.19	$26K