STUELAND KATHERINE (Chief Executive Officer) sold 22.7% of their position (17.18K shares) of GENEDX HOLDINGS CORP. on the open market

Open‑market sale worth $1.32M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

STUELAND KATHERINE

Filed: 3/17/2026ACC: 0001689575-26-000019

InsiderSTUELAND KATHERINECIK 1689575

→

IssuerGENEDX HOLDINGS CORP.CIK 1818331

DirectorOfficer· Chief Executive Officer

Since Apr 2022

-17.18K

Net shares

Net seller

$1.32M

Total sold

Open market trades

0B · 3S

Total transactions

30.67K acquired · 47.85K disposed

Non-Derivative Transactions5

Class A Common Stock

Direct

M · Option Exercise

+11.92K

Price / share

—

Trade value

—

% of position

26.5%

3/15/2026

44.95K→56.88K

Class A Common Stock

Direct

M · Option Exercise

+18.75K

Price / share

—

Trade value

—

% of position

33.0%

3/16/2026

56.88K→75.63K

Class A Common Stock

Direct

S · Sale

−7.18K

Price / share

$76.35

Trade value

$548.03K

% of position

9.5%

3/16/2026

75.63K→68.45K

Class A Common Stock

Direct

S · Sale

−9.23K

Price / share

$77.05

Trade value

$711.09K

% of position

13.5%

3/16/2026

68.45K→59.22K

Class A Common Stock

Direct

S · Sale

−772.00

Price / share

$77.94

Trade value

$60.17K

% of position

1.3%

3/16/2026

59.22K→58.45K

Total

Net shares

+13.49K

Net value

-$1.32M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	3/15/2026	M · Option Exercise	+11.92K	—	—	26.5%	44.95K	56.88K
Class A Common Stock Direct	3/16/2026	M · Option Exercise	+18.75K	—	—	33.0%	56.88K	75.63K
Class A Common Stock Direct	3/16/2026	S · Sale	−7.18K	$76.35	$548.03K	9.5%	75.63K	68.45K
Class A Common Stock Direct	3/16/2026	S · Sale	−9.23K	$77.05	$711.09K	13.5%	68.45K	59.22K
Class A Common Stock Direct	3/16/2026	S · Sale	−772.00	$77.94	$60.17K	1.3%	59.22K	58.45K
Total			+13.49K		-$1.32M

Derivative Transactions2

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

11.92K shares

−11.92K

Strike price

Held after

35.76K

Exercisable

—

3/15/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

18.75K shares

−18.75K

Strike price

Held after

75K

Exercisable

—

3/16/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Unit Direct	Class A Common Stock11.92K shares	3/15/2026	M · Option Exercise	−11.92K		—	35.76K
Restricted Stock Unit Direct	Class A Common Stock18.75K shares	3/16/2026	M · Option Exercise	−18.75K		—	75K