Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000919574-26-003907
Filing Date
2026-06-08
Accepted
2026-06-08 17:25:13
Documents
1
Period of Report
2026-06-04

Document Format Files

Seq Description Document Type Size
1 ownership.html 4  
1 ownership.xml 4 12435
  Complete submission text file 0000919574-26-003907.txt   15997
Mailing Address 1350 AVENUE OF THE AMERICAS SUITE 1140 NEW YORK NY 10019
Business Address 1350 AVENUE OF THE AMERICAS SUITE 1140 NEW YORK NY 10019 212.300.5575
Casdin Partners GP, LLC (Reporting) CIK: 0001534260 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39482 | Film No.: 261073698

Mailing Address 1350 AVENUE OF THE AMERICAS SUITE 2600 NEW YORK NY 10019
Business Address 1350 AVENUE OF THE AMERICAS SUITE 2600 NEW YORK NY 10019 212-554-4952
Casdin Capital, LLC (Reporting) CIK: 0001534261 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39482 | Film No.: 261073701

Mailing Address 1350 AVENUE OF THE AMERICAS SUITE 1140 NEW YORK NY 10019
Business Address
Casdin Eli (Reporting) CIK: 0001534264 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-39482 | Film No.: 261073700

Mailing Address WALKER HOUSE 87 MARY STREET GEORGE TOWN Cayman Islands
Business Address WALKER HOUSE 87 MARY STREET GEORGE TOWN Cayman Islands 212.300.5575
Casdin Partners Master Fund, L.P. (Reporting) CIK: 0001534265 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39482 | Film No.: 261073699

Mailing Address 333 LUDLOW STREET NORTH TOWER, 6TH FLOOR STAMFORD CT 06902
Business Address 333 LUDLOW STREET NORTH TOWER, 6TH FLOOR STAMFORD CT 06902 888-729-1206
GeneDx Holdings Corp. (Issuer) CIK: 0001818331 (see all company filings)

EIN.: 851966622 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 8000 Services-Health Services
(CF Office: 08 Industrial Applications and Services)