ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI - 22 Jul 2021 Form 3 Insider Report for Sema4 Holdings Corp. (WGS)

Role: 10%+ Owner
Signature: /s/ Stephen Harvey
Issuer symbol: WGS
Transactions as of: 22 Jul 2021
Net transactions value: $0
Form type: 3
Filing time: 07 Oct 2021, 20:01:13 UTC
Next filing: 05 May 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	WGSWW	Class A Common Stock						88,355,473	22 Jul 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	WGSWW	Earn-out Shares							22 Jul 2021	Class A Common Stock	11,597,198	$0.000000	Direct	F2, F3, F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The securities reported herein are held directly by the Reporting Person. As its sole member, Mount Sinai Health System, Inc., a NY not-for-profit corporation ("MSHS"), may be deemed to beneficially own securities owned by the Reporting Person; however, MSHS does not have voting or investment power over such securities and disclaims beneficial interest therein except to the extent of its pecuniary interest, if any.
F2	Shares of Issuer's Class A common stock that may be issued upon the occurrence of certain triggering events pursuant to the earn-out provisions of that certain Agreement and Plan of Merger, dated February 9, 2021 (the "Merger Agreement"), by and among CM Life Sciences, Inc., S-IV Sub, Inc., and Mount Sinai Genomics, Inc. d/b/a Sema4 (the "Earn Out Shares").
F3	See footnote 2.
F4	Not applicable.
F5	Maximum number of shares of Class A common stock of Issuer that may be issued to Reporting Person pursuant to the Merger Agreement as a result of the occurrence of certain triggering events set forth therein.