Financial Performance - The company ended Q4 2024 with cash, cash equivalents, and marketable securities totaling 625.7million,whichisexpectedtofundoperationsinto2027[6][17].−Researchanddevelopmentexpensesincreasedto157.1 million for the year ended December 31, 2024, up from 133.8millionin2023,primarilyduetohigherpersonnelcostsandexpensesrelatedtoanito−cel[8].−Generalandadministrativeexpensesroseto88.4 million for the year ended December 31, 2024, compared to 66.4millionin2023,drivenbyincreasedpersonnelcostsandcommercialreadinessexpenses[9].−NetlossesforQ42024were47.1 million, compared to 19.8millioninQ42023,withtotalnetlossesfortheyearreaching107.3 million, up from 70.7millionin2023[10][20].−Collaborationrevenuedecreasedto15.3 million in Q4 2024 from 63.1millioninQ42023,andforthefullyear,itdecreasedslightlyto107.9 million from $110.3 million[7]. Clinical Development - Arcellx reported a 97% overall response rate and a 62% complete response rate in the pivotal iMMagine-1 study of anito-cel for relapsed or refractory multiple myeloma, with a median follow-up of 9.5 months[1][4][5]. - No delayed neurotoxicities were observed in the 155 patients dosed with anito-cel across the Phase 1 and iMMagine-1 studies[1][5]. - The median progression-free survival in the Phase 1 study was reported at 30.2 months, indicating durable benefits for patients[3]. - The company plans to commercially launch anito-cel in multiple myeloma in 2026, following positive data presentations and ongoing studies[1][3]. Research Expansion - Arcellx is expanding its ARC-SparX program in acute myeloid leukemia to include an additional SparX antigen target[3].