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CIK 0001818331 · Large accelerated filer

GeneDx Holdings Corp.

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Ticker
WGS
Exchange
Nasdaq
Industry
Services-Health Services
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
851966622
Phone
888-729-1206
Business address
333 LUDLOW STREET, NORTH TOWER, 6TH FLOOR, STAMFORD, CT, 06902
Former names
Sema4 Holdings Corp., CM Life Sciences, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,839,245
in 5 filings

Net −$1,839,245. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Stueland Katherine −$1.3M CHIEF EXECUTIVE OFFICER sold 11% of stake
  2. Feeley Kevin −$503K CHIEF FINANCIAL OFFICER sold 11% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-09-09 Stueland Katherine CHIEF EXECUTIVE OFFICER Sale −3,692 $84.22 $311K 107,227
2026-09-09 Stueland Katherine CHIEF EXECUTIVE OFFICER Option exercise · Restricted Stock Unit −6,547 6,547
2026-09-01 Feeley Kevin CHIEF FINANCIAL OFFICER Option exercise +717 40,671
2026-09-01 Feeley Kevin CHIEF FINANCIAL OFFICER Sale −372 $83.84 $31K 40,299
2026-09-01 Feeley Kevin CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Unit −717 0
2026-06-29 GARDNER MARK A President Grant or award · Restricted Stock Unit +35,441 35,441
2026-06-18 Fuchs Thomas Director Grant or award · Restricted Stock Unit +4,248 4,248
2026-06-18 Leproust Emily M. Director Option exercise +3,576 24,852
2026-06-18 Leproust Emily M. Director Grant or award · Restricted Stock Unit +4,248 4,248
2026-06-18 Leproust Emily M. Director Option exercise · Restricted Stock Unit −3,576 0
2026-06-18 Ryan Jason Director Option exercise +3,576 15,480
2026-06-18 Ryan Jason Director Option exercise · Restricted Stock Unit −3,576 0
2026-06-18 Casdin Eli Director Option exercise +3,576 24,093
2026-06-18 Casdin Eli Director Grant or award · Restricted Stock Unit +4,248 4,248
2026-06-18 Casdin Eli Director Option exercise · Restricted Stock Unit −3,576 0
2026-06-18 Meister Keith A. Director Option exercise +3,576 23,705
2026-06-18 Meister Keith A. Director Grant or award · Restricted Stock Unit +4,248 4,248
2026-06-18 Meister Keith A. Director Option exercise · Restricted Stock Unit −3,576 0
2026-06-18 PFENNIGER RICHARD C JR Director Option exercise +3,576 45,082
2026-06-18 PFENNIGER RICHARD C JR Director Grant or award · Restricted Stock Unit +4,248 4,248

Page 2 of 23 · 450 trades