SC Filed 2022-01-21 Event — SEC 0001567619-22-001442 →

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI → Sema4 Holdings Corp. WGSWW

Stake: — Shares: —

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

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 1.00

18,319 shares short · -64.1% vs prior

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 Sema4 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 →
2026-05-11	SCHEDULE 13D/A	CMLS Holdings LLC	—	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 →
2022-01-20	SC	Blackstone Holdings III L.P.	—	—	view →
2022-01-19	SC	CMLS Holdings LLC	—	—	view →

Other Filings by ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

Filed	Form	Issuer	Stake	Shares
2025-02-21	SCHEDULE	GeneDx Holdings Corp. WGSWW	4.89%	1,373,569	view →
2025-02-18	SCHEDULE	GeneDx Holdings Corp. WGSWW	6.10%	1,680,016	view →

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