0001415889-25-017993.txt : 20250623 0001415889-25-017993.hdr.sgml : 20250623 20250623175016 ACCESSION NUMBER: 0001415889-25-017993 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250618 FILED AS OF DATE: 20250623 DATE AS OF CHANGE: 20250623 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Meister Keith A. CENTRAL INDEX KEY: 0001307631 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39482 FILM NUMBER: 251066090 MAIL ADDRESS: STREET 1: C/O CORVEX MANAGEMENT LP STREET 2: 667 MADISON AVENUE CITY: NEW YORK STATE: NY ZIP: 10065 FORMER NAME: FORMER CONFORMED NAME: Meister Keith DATE OF NAME CHANGE: 20041102 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: GeneDx Holdings Corp. CENTRAL INDEX KEY: 0001818331 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-HEALTH SERVICES [8000] ORGANIZATION NAME: 08 Industrial Applications and Services EIN: 851966622 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 333 LUDLOW STREET STREET 2: NORTH TOWER, 6TH FLOOR CITY: STAMFORD STATE: CT ZIP: 06902 BUSINESS PHONE: 888-729-1206 MAIL ADDRESS: STREET 1: 333 LUDLOW STREET STREET 2: NORTH TOWER, 6TH FLOOR CITY: STAMFORD STATE: CT ZIP: 06902 FORMER COMPANY: FORMER CONFORMED NAME: Sema4 Holdings Corp. DATE OF NAME CHANGE: 20210721 FORMER COMPANY: FORMER CONFORMED NAME: CM Life Sciences, Inc. DATE OF NAME CHANGE: 20200715 4 1 form4-06232025_090612.xml X0508 4 2025-06-18 0001818331 GeneDx Holdings Corp. WGS 0001307631 Meister Keith A. C/O CORVEX MANAGEMENT LP 667 MADISON AVENUE NEW YORK NY 10065 true false true false 0 Class A Common Stock 2025-06-18 4 M 0 12924 0 A 20129 D Class A Common Stock 3674913 I See Footnotes Restricted Stock Unit 2025-06-18 4 A 0 3576 0 A Class A Common Stock 3576 3576 D Restricted Stock Unit 2025-06-18 4 M 0 12924 0 D Class A Common Stock 12924 0 D Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration. CMLS Holdings LLC ("CMLS Holdings") is the record holder of 333,144 shares of the Class A Common Stock reported herein. Mr. Meister is one of two members of the Board of Managers of CMLS Holdings, and Mr. Meister shares voting and investment discretion with respect to the securities held by CMLS Holdings Stock reported herein. Corvex is not an investment adviser to CMLS Holdings. 3,341,769 shares of Class A Common Stock of the Issuer are held for the accounts of the Corvex Funds for which Corvex Management LP ("Corvex") acts as investment adviser. The general partner of Corvex is controlled by Mr. Meister. The RSUs shall vest the earlier of (a) the date of the next annual meeting of the Issuer's shareholders following the grant date, and (b) the first anniversary of the grant date, subject to the Reporting Person continuing to provide services to the Issuer through each vesting date. /s/ Bridget Brown, Attorney-in-Fact 2025-06-23