SCHEDULE 13D/A Filed 2026-05-11 Event 2026-05-07 SEC 0001011438-26-000275 →

CMLS Holdings LLC → GeneDx Holdings Corp. WGSWW

Stake: — Shares: 537,285 Class: Class A common stock, par value $0.0001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

3 transactions

3 buys · 0 sales · 0 awards/exercises

Issuer Cluster

10 13D/G filings on this issuer

9 other filings besides this one

Filer Track Record

5 filings by this filer

4 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 1.00

18,319 shares short · -64.1% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $1.24M

Point72 Asset Mgmt

Post-Filing Returns · since 2026-05-07 on WGSWW

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

—

+180 days

—

Anchor price 0.00 on closest trading day on/after 2026-05-07. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-20	Casdin Capital, LLC	director, 10%+ owner	Buy	140,000	$43.81	$6.13M
2026-05-19	Casdin Capital, LLC	director, 10%+ owner	Buy	185,000	$42.60	$7.88M
2026-05-18	Casdin Capital, LLC	director, 10%+ owner	Buy	175,000	$42.55	$7.45M

Other 13D/G Filings on GeneDx Holdings Corp.

Filed	Form	Filer	Stake	Shares
2026-05-22	SCHEDULE 13D/A	CMLS Holdings LLC	17.90%	537,285	view →
2026-05-15	SCHEDULE 13D/A	CMLS Holdings LLC	17.90%	537,285	view →
2025-02-21	SCHEDULE	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	4.89%	1,373,569	view →
2025-02-18	SCHEDULE	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	6.10%	1,680,016	view →
2024-07-05	SC	OPKO HEALTH, INC.	—	—	view →
2022-12-05	SC	CMLS Holdings LLC	—	—	view →
2022-01-21	SC	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	—	—	view →
2022-01-20	SC	Blackstone Holdings III L.P.	—	—	view →
2022-01-19	SC	CMLS Holdings LLC	—	—	view →

Other Filings by CMLS Holdings LLC

Filed	Form	Issuer	Stake	Shares
2026-05-22	SCHEDULE 13D/A	GeneDx Holdings Corp. WGSWW	17.90%	537,285	view →
2026-05-15	SCHEDULE 13D/A	GeneDx Holdings Corp. WGSWW	17.90%	537,285	view →
2022-12-05	SC	Sema4 Holdings Corp. WGSWW	—	—	view →
2022-01-19	SC	Sema4 Holdings Corp. WGSWW	—	—	view →

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