KalVista Pharmaceuticals, Inc., a clinical stage pharmaceutical company, engages in the discovery, development, and commercialization of drug therapies inhibitors for diseases with unmet needs. The company's product candidate is Sebetralstat, a small molecule plasma kallikrein inhibitor targeting the disease of hereditary angioedema (HAE). It develops Factor XIIa, an oral inhibitor for the treatment of HAE which is in preclinical trial. In addition, the company is developing an orally disintegrating tablet formulation, including KONFIDENT-KID for pediatric use with HAE; KONFIDENT-S for adolescent and adult patients with type I or type II HAE; and KONFIDENT for a potential oral therapy for HAE attacks. The company is headquartered in Cambridge, Massachusetts.

Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes novel therapeutics for patients with disorders that are linked to dysfunctional signaling of the transforming growth factor-beta family of proteins in the United States. The company's lead product candidate is KER-050, which is being developed for the treatment of low blood cell counts, or cytopenias, including anemia and thrombocytopenia in patients with myelodysplastic syndromes, as well as in patients with myelofibrosis. It also develops KER-012, which is in Phase II clinical trial to treat pulmonary arterial hypertension and cardiovascular disorders; and KER-065 that is in Phase I clinical trial for the treatment of obesity and neuromuscular diseases. In addition, the company has collaboration and license agreement with Hansoh (Shanghai) Healthtech Co., Ltd. to develop, manufacture, and commercialize KER-050 and licensed products containing KER-050. Keros Therapeutics, Inc. was incorporated in 2015 and is headquartered in Lexington, Massachusetts.

Monte Rosa Therapeutics, Inc., a clinical-stage biotechnology company, engages in the development of novel small molecule precision medicines that employ the body's natural mechanisms to selectively degrade therapeutically relevant proteins. The company develops MRT-2359, an orally bioavailable molecular glue degrader targeting the translation termination factor protein GSPT1 for the treatment of MYC-driven tumors; MRT-6160 for the treatment of systemic and central nervous system autoimmune diseases; and MRT-8102 for the treatment of IL-1?/NLRP3 driven inflammatory diseases. It also develops CDK2 to treat ovarian, uterine, and breast cancers. The company was incorporated in 2019 and is headquartered in Boston, Massachusetts.

Kyverna Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on developing cell therapies for patients suffering from autoimmune diseases. Its lead product candidate is KYV-101, an autologous CD19 CAR T-cell product candidate for the treatment of patients with lupus nephritis and systemic sclerosis that is in Phase I clinical trial; and for myasthenia gravis and multiple sclerosis that is in Phase II clinical trial. The company is also developing KYV-201, an allogeneic CD19 CAR T-cell product candidate that is in preclinical stage to treat multiple autoimmune diseases. In addition, it is developing product candidates to treat other autoimmune diseases, such as inflammatory bowel disease that includes Crohn's disease and ulcerative colitis. Kyverna Therapeutics, Inc. has a license and collaboration agreement with Intellia Therapeutics, Inc. to research and develop an allogeneic CD19-directed CAR cell therapy product; and with Kite to research and develop programs for the treatment, diagnosis, and prevention of autoimmune, inflammatory, and allogeneic stem cell transplant inflammatory diseases. The company was formerly known as BAIT Therapeutics, Inc. and changed its name to Kyverna Therapeutics, Inc. in October 2019. Kyverna Therapeutics, Inc. was incorporated in 2018 and is headquartered in Emeryville, California.

C4 Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops novel therapeutic candidates to degrade disease-causing proteins for the treatment of cancer, neurodegenerative conditions, and other diseases. Its lead product candidate is CFT7455, an orally bioavailable MonoDAC degrader of protein that is in Phase 1/2 trial targeting IKZF1 and IKZF3 for multiple myeloma and non-Hodgkin lymphomas, including peripheral T-cell lymphoma and mantle cell lymphoma, currently under Phase 1/2 clinical trials. The company is also developing CFT1946, an orally bioavailable BiDAC degrader targeting V600X mutant BRAF to treat melanoma, non-small cell lung cancer (NSCLC), colorectal cancer, and other solid malignancies, currently under Phase 1/2 clinical trials; and CFT8919, an orally bioavailable, allosteric, and mutant-selective BiDAC degrader of epidermal growth factor receptor, or EGFR, with an L858R mutation in NSCLC. It has strategic collaborations with F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc.; Biogen MA, Inc.; Betta Pharmaceuticals, Co., Ltd.; and Merck Sharp & Dohme, LLC, as well as Calico Life Sciences LLC. The company was incorporated in 2015 and is headquartered in Watertown, Massachusetts.

Aclaris Therapeutics, Inc. a clinical-stage biopharmaceutical company, engages in the development of novel drug candidates for immune-inflammatory diseases in the United States. The company operates through two segments, Therapeutics and Contract Research. The Therapeutics segment is involved in identifying and developing therapies to address significant unmet needs for immuno-inflammatory diseases. The Contract Research segment provides laboratory services. It develops Zunsemetinib (ATI-450), an MK2 inhibitor which is under Phase 1b/2 trials for the treatment of metastatic breast and pancreatic cancer; ATI-1777, a soft JAK 1/3 inhibitor, completed Phase 2b trails for the treatment of moderate to severe atopic dermatitis and other dermatologic conditions; and ATI-2138, an oral covalent inhibitor of ITK and JAK3 inhibitor under Phase 1 trials as a treatment for T cell-mediated autoimmune diseases. The company was incorporated in 2012 and is headquartered in Wayne, Pennsylvania.

Kezar Life Sciences, Inc., a clinical-stage biotechnology company, engages in the discovery and development of novel small molecule therapeutics to treat unmet needs in immune-mediated diseases and cancer in the United States. The company's lead product candidate is zetomipzomib (KZR-616), a selective immunoproteasome inhibitor that is in Phase 2b clinical trials for various indications, including lupus nephritis, dermatomyositis, and polymyositis; Phase 1b clinical trials in systemic lupus erythematosus; and completed Phase 2a clinical trials in lupus nephritis. Its preclinical products include KZR-261, a novel first-in-class protein secretion inhibitor for the treatment of tumors resistant to traditional chemotherapeutics. Kezar Life Sciences, Inc. was incorporated in 2015 and is headquartered in South San Francisco, California.

Akari Therapeutics, Plc, a clinical-stage biopharmaceutical company, focuses on developing advanced therapies for autoimmune and inflammatory diseases. Its lead product candidate is nomacopan, a second-generation complement inhibitor that prevents inflammatory and prothrombotic activities. The company also develops PASylated-nomacopan, which is in preclinical development for the treatment of geographic atrophy secondary to dry age-related macular degeneration; and hematopoietic stem cell transplant-related thrombotic microangiopathy (HSCT-TMA) combined with nomacopan, which is in phase 3 clinical development for the treatment of pediatric HSCT-TMA. The company is headquartered in Boston, Massachusetts.