0001213900-21-037929 | 10-Q | XBRL Viewer

Document And Entity Information - shares	6 Months Ended
Document And Entity Information - shares	Jun. 30, 2021	Jul. 19, 2021
Document Information Line Items
Entity Registrant Name	CM LIFE SCIENCES, INC.
Trading Symbol	CMLF
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		11,068,750
Amendment Flag	false
Entity Central Index Key	0001818331
Entity Current Reporting Status	No
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Jun. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	true
Entity Ex Transition Period	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-39482
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-1966622
Entity Address, Address Line One	c/o Corvex Management LP
Entity Address, Address Line Two	667 Madison Avenue
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10065
City Area Code	(212)
Local Phone Number	474-6745
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes

Summary of Significant Accounting Policies (Details) - Schedule of calculation of basic and diluted net income (loss) per common share - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Summary of Significant Accounting Policies (Details) - Schedule of calculation of basic and diluted net income (loss) per common share [Line Items]
Less: Income and Franchise Tax available to be withdrawn from the Trust Account	$ (11,040)	$ (21,959)
Redeemable Net Earnings
Class A Redeemable Common Stock, Basic and Diluted (in Shares)	44,275,000	44,275,000
Class B non-redeemable Common Stock, Basic (in Shares)	11,068,750	11,068,750
Numerator: Net income minus Net Earnings Diluted
Less: Change in fair value of derivative liability	$ (14,276,800)

Initial Public Offering (Details)	6 Months Ended
Initial Public Offering (Details)	Jun. 30, 2021 shares
Initial Public Offering (Details) [Line Items]
Public offering sale of units	44,275,000
Initial offering description	Each Unit consists of one share of Class A common stock and one-third of one redeemable warrant (“Public Warrant”). Each whole Public Warrant entitles the holder to purchase one share of Class A common stock at a price of $11.50 per share, subject to adjustment (see Note 8).

Warrants (Details)	6 Months Ended
Warrants (Details)	Jun. 30, 2021
Warrants (Details) [Line Items]
Issued additional ordinary shares, description	In addition, if (x) the Company issues additional shares of Class A common stock or equity-linked securities for capital raising purposes in connection with the closing of a Business Combination at an issue price or effective issue price of less than $9.20 per share of Class A common stock (with such issue price or effective issue price to be determined in good faith by the Company’s board of directors, and, in the case of any such issuance to the Sponsor or its affiliates, without taking into account any Founder Shares held by the Sponsor or its affiliates, as applicable, prior to such issuance) (the “Newly Issued Price”), (y) the aggregate gross proceeds from such issuances represent more than 60% of the total equity proceeds, and interest thereon, available for the funding of a Business Combination on the date of the completion of a Business Combination (net of redemptions), and (z) the volume weighted average trading price of the Company’s Class A common stock during the 20 trading day period starting on the trading day after the day on which the Company completes a Business Combination (such price, the “Market Value”) is below $9.20 per share, the exercise price of the warrants will be adjusted (to the nearest cent) to be equal to 115% of the higher of the Market Value and the Newly Issued Price, the $18.00 per share redemption trigger price will be adjusted (to the nearest cent) to be equal to 180% of the higher of the Market Value and the Newly Issued Price, and the $10.00 per share redemption trigger price will be adjusted (to the nearest cent) to be equal to the higher of the Market Value and the Newly Issued Price.
Propose public warrants, description	The Private Placement Warrants are identical to the Public Warrants underlying the Units sold in the Initial Public Offering, except that (1) the Private Placement Warrants and the Class A common stock issuable upon the exercise of the Private Placement Warrants will not be transferable, assignable or saleable until 30 days after the completion of a Business Combination, subject to certain limited exceptions, (2) the Private Placement Warrants will be exercisable on a cashless basis, (3) the Private Placement Warrants will be non-redeemable (except as described above in “Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $10.00”) so long as they are held by the initial purchasers or their permitted transferees, and (4) the holders of the Private Placement Warrants and the Class A common stock issuable upon the exercise of the Private Placement Warrants will have certain registration rights.

Print Document View Excel Document
Cover Document And Entity Information Notes Details Summary of Significant Accounting Policies (Details) - Schedule of calculation of basic and diluted net income (loss) per common share Initial Public Offering (Details) Warrants (Details) Uncategorized Uncategorized Items - f10q0621_cmlifesciences_htm.xml All Reports

Label	Element	Value
OutstandingUnderPromissoryNote	cmlf_OutstandingUnderPromissoryNote	$ 165,081
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares	5,847,192
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares	(1,300,988)
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemptioninShares
WorkingCapitalLoans	cmlf_WorkingCapitalLoans	$ 1,500,000
CommonStockToPossibleRedemption	cmlf_CommonStockToPossibleRedemption	30,775,783
CommonStockToPossibleRedemption	cmlf_CommonStockToPossibleRedemption	35,321,987
DescriptionOfBusinessCombination	cmlf_DescriptionOfBusinessCombination	The notes may be repaid upon completion of a Business Combination, without interest, or, at the lender’s discretion, up to $1,500,000 of the notes may be converted upon completion of a Business Combination into warrants at a price of $1.50 per warrant. Such warrants would be identical to the Private Placement Warrants. In the event that a Business Combination does not close, the Company may use a portion of proceeds held outside the Trust Account to repay the Working Capital Loans but no proceeds held in the Trust Account would be used to repay the Working Capital Loans. As of June 30, 2021 and December 31, 2020, there were no amounts outstanding under the Working Capital Loans.
RedeemableNetEarnings	cmlf_RedeemableNetEarnings	$ 13,009,880
RedeemableNetEarnings	cmlf_RedeemableNetEarnings	(45,462,043)
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	(585)
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	(58,471,335)
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	(58,471,920)
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	131
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	13,009,749
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	13,009,880
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption
StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_StockIssuedDuringPeriodChangeInValueOfCommonStockSubjectToPossibleRedemption
FiniteLivedTangibleAssetsNet	cmlf_FiniteLivedTangibleAssetsNet	5,000,001
AggregatePurchasePrice	cmlf_AggregatePurchasePrice	$ 350,000,000
PrivatePlacementToPurchaseOrdinaryShares	cmlf_PrivatePlacementToPurchaseOrdinaryShares	21,995,000
AggregatePurchasePriceShares	cmlf_AggregatePurchasePriceShares	21,995,000
TransactionCostsAmount	cmlf_TransactionCostsAmount	$ 24,895,463
ForwardPurchaseAgreementDescription	cmlf_ForwardPurchaseAgreementDescription	The Company entered into separate forward purchase agreements with affiliates of the Sponsor, Casdin Capital, LLC (“Casdin”) and Corvex Management LP (“Corvex”), in their capacities as investment advisors on behalf of one or more investment funds, clients or accounts managed by each of Casdin and Corvex, respectively (collectively, their “Clients”), pursuant to which, subject to the conditions described below, they will cause the Clients to purchase from the Company up to an aggregate amount of 15,000,000 shares of Class A common stock, or the forward purchase shares, for $10.00 per forward purchase share, or an aggregate amount of up to $150,000,000, in a private placement that will close concurrently with the closing of a Business Combination.
DistributionOrServicingAndDeferredUnderwritingFees	cmlf_DistributionOrServicingAndDeferredUnderwritingFees	$ 15,496,250
ChangeInValueOfCommonStockSubjectToPossibleRedemption	cmlf_ChangeInValueOfCommonStockSubjectToPossibleRedemption	(45,462,040)
AggregateAmountNotToExceed	cmlf_AggregateAmountNotToExceed	343,000,000
StockIssuedDuringPeriodSharesIssuedForFounders	cmlf_StockIssuedDuringPeriodSharesIssuedForFounders	25,000
InitialClassificationOfWarrantLiability	cmlf_InitialClassificationOfWarrantLiability	70,322,418
ChangeInFairValueOfWarrantLiability	cmlf_ChangeInFairValueOfWarrantLiability	67,888,332
ChangeInFairValueOfWarrantLiability	cmlf_ChangeInFairValueOfWarrantLiability	$ 40,290,250
StockholdersCapitalStockDescription	cmlf_StockholdersCapitalStockDescription	(b)a number of shares of common stock, par value $0.0001 per share, of the Company (the “Common Stock”) equal to the quotient of: (i) (A) the product of (x) such stockholder’s total shares of Sema4 Capital Stock multiplied by (y) the per share amount calculated in accordance with the Merger Agreement minus (B) the amount of cash payable to such stockholder pursuant to its cash election, if any, divided by (ii) $10.
StockIssuedDuringPeriodValueIssuedForFounderIssuedShares	cmlf_StockIssuedDuringPeriodValueIssuedForFounderIssuedShares	10,062,500
OperatingBankAccount	cmlf_OperatingBankAccount	$ 167,959
AggregateTransferOfSponsorShares	cmlf_AggregateTransferOfSponsorShares	25,000
workingCapitalDeficit	cmlf_workingCapitalDeficit	$ 1,848,528
SharesIncludedSubjectToForfeitureOverallotmentOption	cmlf_SharesIncludedSubjectToForfeitureOverallotmentOption	1,443,750
WeightedAverageSharesOutstandingOfClassACommonStock	cmlf_WeightedAverageSharesOutstandingOfClassACommonStock	44,275,000
WeightedAverageSharesOutstandingOfClassACommonStock	cmlf_WeightedAverageSharesOutstandingOfClassACommonStock	44,275,000
WarrantLiabilityPrivatePlacementWarrants	cmlf_WarrantLiabilityPrivatePlacementWarrants	$ 44,794,968
WarrantLiabilityPrivatePlacementWarrants	cmlf_WarrantLiabilityPrivatePlacementWarrants	30,032,168
CommonStockValue1	cmlf_CommonStockValue1	1,107
CommonStockValue1	cmlf_CommonStockValue1	$ 1,107
LetterAgreementDescription	cmlf_LetterAgreementDescription	In addition to the payment of cash, issuance of Common Stock and rollover of other Sema4 equity awards described above as of the Effective Time, in the event that the closing sale price of Common Stock exceeds certain price thresholds for 20 out of any 30 consecutive trading days during the period of time commencing upon the expiration of the lock-up period applicable to the Sponsor under the Letter Agreement, dated as of August 27, 2021, by and among the Company, Sponsor and each of the executive officers and directors of the Company and ending on the second anniversary of the closing of the Merger, an additional number of shares equal to an amount up to an aggregate of 11% of the shares of Common Stock that would have been issuable upon closing of the Merger to the stockholders of the Company if no cash elections were made and the closing cash payment amount under the Merger Agreement was $0.00 (the “Earn-Out Shares”) shall become issuable, in accordance with the terms of the Merger Agreement following the achievement of those certain price thresholds, to the stockholders of Sema4 as of immediately prior to the closing of the Merger; provided that the board of directors of Sema4 (or a duly authorized committee thereof) may, prior to the closing of the Merger, allocate a portion of such Earn-Out Shares to be issued to service providers of Sema4 in the form of restricted stock units of the Company.
BusinessCombinationPeriodDescription	cmlf_BusinessCombinationPeriodDescription	The Sponsor has agreed, subject to limited exceptions, not to transfer, assign or sell any of the Founder Shares until the earlier to occur of: (A) one year after the completion of a Business Combination and (B) subsequent to a Business Combination, (x) if the last reported sale price of the Class A common stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after a Business Combination, or (y) the date on which the Company completes a liquidation, merger, capital stock exchange or other similar transaction that results in all of the Public Stockholders having the right to exchange their shares of common stock for cash, securities or other property.
CertainLoansAmount	cmlf_CertainLoansAmount	$ 300,000
UnderwritingAgreementMember
AggregateUnderwritingCommissions	cmlf_AggregateUnderwritingCommissions	$ 15,496,250