GeneDx Holdings Corp. — Director's Dealing 2021

Jul 27, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Sema4 Holdings Corp. (SMFR)
CIK: 0001818331
Period of Report: 2021-07-22

Reporting Person: White Karen Ann (Chief People Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-22	Stock Option (Right to Buy)	$1.9028	A	206109	Acquired	2030-12-21	Class A Common Stock (206109)	Direct

Footnotes

F1: 6.25% of the total shares underlying the option vest in quarterly installments until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F2: Pursuant to the business combination between the Issuer (which was formerly known as CM Life Sciences, Inc.) and Mount Sinai Genomics, Inc. d/b/a Sema4 ("Sema4"), each share of Sema4 outstanding common stock was automatically converted into the right to shares of the Issuer's Class A Common Stock based on a 1 to 123.8338 exchange ratio ("Exchange Ratio"). In addition, each outstanding Sema4 equity award was automatically converted into a corresponding equity award of the Issuer based on the Exchange Ratio and with the same terms and vesting conditions as the Sema4 equity awards.