Key facts
- This page summarizes Casdin Capital, LLC's Form 4 filing for GeneDx Holdings Corp. (WGS).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 08 Jun 2026, 17:25.
Casdin Capital, LLC - 04 Jun 2026 Form 4 Insider Report for GeneDx Holdings Corp. (WGS)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- WGS
- Reported as of
- 04 Jun 2026
- Net transaction value
- +$11,109,565
- SEC form
- 4
- Accepted by SEC
- 08 Jun 2026, 17:25:13 UTC
- Prior SEC filing
- 20 May 2026
- Source filing
- View source filing
- Reporting owner signature
- Casdin Partners Master Fund, LP, By: Casdin Partners GP, LLC, its General Partner, By: /s/ Eli Casdin, Managing Member
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Casdin Capital, LLC filed Form 4 for GeneDx Holdings Corp. (WGS) on 08 Jun 2026.
Change
- Previous filing in this sequence was filed on 20 May 2026.
- Current net transaction value: +$11,109,565.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (4)
CIK 0001534261
Primary reporting owner
Casdin Capital, LLC
- Relationship
- Director, 10%+ Owner
- Address
- 1350 AVENUE OF THE AMERICAS, SUITE 2600, NEW YORK
- Signature
- Casdin Partners Master Fund, LP, By: Casdin Partners GP, LLC, its General Partner, By: /s/ Eli Casdin, Managing Member
- Signature date
- 08 Jun 2026
CIK 0001534264
Casdin Eli
- Relationship
- Director, 10%+ Owner
- Address
- 1350 AVENUE OF THE AMERICAS, SUITE 2600, NEW YORK
- Signature
- Casdin Capital LLC, By: /s/ Eli Casdin Managing Member
- Signature date
- 08 Jun 2026
CIK 0001534265
Casdin Partners Master Fund, L.P.
- Relationship
- Director, 10%+ Owner
- Address
- 1350 AVENUE OF THE AMERICAS, SUITE 2600, NEW YORK
- Signature
- Casdin Partners GP LLC, By: /s/ Eli Casdin Managing Member, /s/ Eli Casdin, Eli Casdin
- Signature date
- 08 Jun 2026
CIK 0001534260
Casdin Partners GP, LLC
- Relationship
- Director, 10%+ Owner
- Address
- 1350 AVENUE OF THE AMERICAS, SUITE 2600, NEW YORK
- Signature
- /s/ Eli Casdin, Eli Casdin
- Signature date
- 08 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $8,466,735
- Shares
- +150,000
- Change %
- +4.3%
- Price
- $56.44
- Shares after
- 3,657,164
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $8,466,735
- Shares
- +150,000
- Change %
- +4.3%
- Price
- $56.44
- Shares after
- 3,657,164
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $8,466,735
- Shares
- +150,000
- Change %
- +4.3%
- Price
- $56.44
- Shares after
- 3,657,164
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $8,466,735
- Shares
- +150,000
- Change %
- +4.3%
- Price
- $56.44
- Shares after
- 3,657,164
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $2,642,830
- Shares
- +50,000
- Change %
- +1.4%
- Price
- $52.86
- Shares after
- 3,707,164
- Date
- 05 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $2,642,830
- Shares
- +50,000
- Change %
- +1.4%
- Price
- $52.86
- Shares after
- 3,707,164
- Date
- 05 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $2,642,830
- Shares
- +50,000
- Change %
- +1.4%
- Price
- $52.86
- Shares after
- 3,707,164
- Date
- 05 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
transaction
Class A Common Stock, par value $0.0001 per share
Purchase
- Transaction value
- $2,642,830
- Shares
- +50,000
- Change %
- +1.4%
- Price
- $52.86
- Shares after
- 3,707,164
- Date
- 05 Jun 2026
- Ownership
- See footnote
- Footnotes
- F1
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 20,517
- Date
- 04 Jun 2026
- Ownership
- Direct
- Footnotes
- F2
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 20,517
- Date
- 04 Jun 2026
- Ownership
- Direct
- Footnotes
- F2
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 20,517
- Date
- 04 Jun 2026
- Ownership
- Direct
- Footnotes
- F2
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 20,517
- Date
- 04 Jun 2026
- Ownership
- Direct
- Footnotes
- F2
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 19,247
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F3
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 19,247
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F3
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 19,247
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F3
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 19,247
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F3
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 333,144
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F4
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 333,144
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F4
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 333,144
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F4
WGS
holding
Class A Common Stock, par value $0.0001 per share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 333,144
- Date
- 04 Jun 2026
- Ownership
- See footnote
- Footnotes
- F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
The securities are owned directly by the Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund ("Casdin"), (ii) Casdin Partners GP, LLC, the general partner of the Master Fund (the "GP"), and (iii) Eli Casdin, the managing member of Casdin and the GP.
Footnote F2
The securities are owned directly by Eli Casdin.
Footnote F3
The securities are owned directly by the GP and may be deemed to be indirectly beneficially owned by Eli Casdin, the managing member of the GP.
Footnote F4
The securities are owned directly by CMLS Holdings LLC ("CMLS Holdings"). The Board of Managers of CMLS Holdings includes Eli Casdin, who, as a member of the Board of Managers of CMLS Holdings, shares voting and investment discretion with respect to the common stock held by CMLS Holdings.
SEC remarks
Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.