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$ARTV · Artiva Biotherapeutics, Inc.

Artiva Biotherapeutics, Inc., a clinical-stage biotechnology company, focuses on developing natural killer (NK) cell-based therapies for patients suffering from autoimmune diseases and cancers.

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Artiva Biotherapeutics, Inc., a clinical-stage biotechnology company, focuses on developing natural killer (NK) cell-based therapies for patients suffering from autoimmune diseases and cancers. Its lead product candidate includes AlloNK, an off-the-shelf NK cell therapy for patients with autoimmune diseases and cancers, such as rheumatoid arthritis, systemic lupus erythematosus, lupus nephritis, rheumatoid arthritis, pemphigus vulgaris, the anti-neutrophil cytoplasmic antibody -associated vasculitis subtypes granulomatosis with polyangiitis/microscopic polyangiitis, and B-cell-non-Hodgkin lymphoma. The company also develops AB-201, an allogeneic anti- human epidermal growth factor receptor 2 targeting chimeric antigen receptor (CAR)-NK cell product candidate for the treatment of various solid tumors, such as breast, gastric and esophageal, and bladder cancers; and AB-205, an allogeneic anti-CD5 CAR-NK cell product candidate for the treatment of hematological malignancies. Artiva Biotherapeutics, Inc. was incorporated in 2019 and is headquartered in San Diego, California.

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FiledFormActivist% of classConviction
2026-05-13SCHEDULE 13D/ARA CAPITAL MANAGEMENT, L.P.33.7%Highfiling

Insider open-market buys daily digest →

FiledInsiderRoleSharesValue
2026-07-23RA CAPITAL MANAGEMENT, L.P.director+10%-owner264,586$2,583,314Form 4
2026-07-20RA CAPITAL MANAGEMENT, L.P.director+10%-owner160,354$1,432,119Form 4
2026-06-29RA CAPITAL MANAGEMENT, L.P.director+10%-owner32,876$292,126Form 4
2026-05-28GC Corp. (cluster of 2)10%-owner1,432,291$16,499,992Form 4
2026-05-13RA CAPITAL MANAGEMENT, L.P. (cluster of 2)director+10%-owner6,510,416$74,999,992Form 4

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