Financial Performance - Collaboration revenue decreased by 15.8millionto36.3 million in 2023 compared to 52.1millionin2022,primarilyduetoa10.3 million adjustment from a contract modification[460] - Net loss for 2023 was 481.2million,slightlyhigherthanthe474.2 million loss in 2022, with a 50.1millionincreaseinotherincome(expense),net,drivenbyhigherinterestincome[459][466]−Netcashusedinoperatingactivitieswas394.1 million in 2023, primarily due to a net loss of 481.2million,partiallyoffsetbynon−cashchargesincludingstock−basedcompensationof134.1 million[482] - Net cash provided by financing activities was 130.3millionin2023,primarilyfrom119.8 million in net proceeds from at-the-market offerings[486] - The company's investing activities used 31.3millionin2023,primarilydueto904.5 million in marketable securities purchases, offset by 887.1millioninmaturingmarketablesecurities[484]ResearchandDevelopment−Researchanddevelopmentexpensesincreasedby15.1 million to 435.1millionin2023,drivenbyhigherexternalcostsforprogramslikeNTLA−2001(16.6 million increase) and NTLA-2002 (12.9millionincrease)[461][463]−ResearchanddevelopmentexpensesforNTLA−2001increasedby4454.5 million in 2023, while NTLA-2002 expenses surged by 112% to 24.6million[463]−Thecompanyexpectsresearchanddevelopmentexpensestoincreasein2024asitadvancesglobalpivotaltrialsforNTLA−2001andNTLA−2002,andprogressestheNTLA−3001program[464]GeneralandAdministrativeExpenses−Generalandadministrativeexpensesroseby26.2 million to 116.5millionin2023,mainlyduetoincreasedemployee−relatedexpenses,including16.7 million in stock-based compensation[465] - Stock-based compensation increased by 25.9millionin2023,drivenbyhigheremployeeheadcount[463]CashandInvestments−Thecompanyhad1,012.1 million in cash, cash equivalents, and marketable securities as of December 31, 2023[468] - Cash equivalents, restricted cash equivalents, and marketable securities totaled 921.6millionasofDecember31,2023[507]−Primarymarketriskexposureisinterestratesensitivityduetoinvestmentsinmarketablesecurities[507]−A100basispointschangeininterestrateswouldnotmateriallyaffectthefairmarketvalueoftheinvestmentportfolio[507]−Declinesininterestrateswouldreducefutureinvestmentincome[507]StrategicInitiativesandWorkforce−Thecompanyannouncedaworkforcereductionofapproximately15121.9 million in 2023 through the issuance of 4,122,824 shares of common stock under the 2022 Sale Agreement[472] Collaboration and Milestone Payments - The company is eligible to earn milestone payments and royalties under collaborations with SparingVision, ONK, Regeneron, and Kyverna, contingent on research and development outcomes[476] - The company does not include potential future milestone or royalty payments in its contractual obligations due to uncertainty, with a research milestone related to Rewrite achieved and settled in January 2023[492] Revenue Recognition and Accounting - Revenue recognition is based on ASC 606, with significant judgments required for determining transaction prices, standalone selling prices, and revenue recognition patterns[497][499] - Stock-based compensation expense is measured using the Black-Scholes option pricing model, with significant judgments related to volatility and expected life assumptions[502][503] Market and Economic Risks - No foreign currency or derivative financial instruments held by the company[508] - Inflation increased labor and clinical trial costs but did not materially affect 2023 results[508] Future Outlook - The company expects its cash, cash equivalents, and marketable securities as of December 31, 2023, along with research and cost reimbursement funding from collaboration agreements, to fund ongoing operating expenses and capital expenditure requirements into mid-2026[478] - The company's ability to generate revenue and achieve profitability depends on successful development of its CRISPR/Cas9 technology platform, regulatory approvals, and market acceptance of product candidates[479] Contractual Commitments - Contractual commitments for property leases as of December 31, 2023, totaled 146.5million,withanadditional146.0 million committed for a new lease starting in the second half of 2024[489][490]