Insmed Incorporated, a biopharmaceutical company, develops and commercializes therapies for patients with serious and rare diseases in the United States, Europe, Japan, and internationally. The company offers ARIKAYCE for the treatment of Mycobacterium avium complex lung disease as part of a combination antibacterial drug regimen for adult patients. It is also developing Brensocatib, an oral reversible inhibitor of dipeptidyl peptidase 1 for the treatment of patients with bronchiectasis and other neutrophil-mediated diseases; and Treprostinil Palmitil Inhalation Powder, an inhaled formulation of a treprostinil prodrug treprostinil palmitil for the treatment of pulmonary hypertension associated with interstitial lung disease and pulmonary arterial hypertension. The company was founded in 1988 and is headquartered in Bridgewater, New Jersey.

Apogee Therapeutics, Inc., through its subsidiary, operates as a biotechnology company that develops biologics for the treatment of atopic dermatitis (AD), asthma, chronic obstructive pulmonary disease (COPD), and related inflammatory and immunology indications. The company primarily develops APG777, a subcutaneous (SQ) extended half-life monoclonal antibody (mAb) for AD; and APG808, an SQ extended half-life mAb for COPD. Its earlier-stage programs comprise APG990, an SQ extended half-life mAb for the treatment of AD; and APG222, an extended half-life SQ antibodies for AD. Apogee Therapeutics, Inc. was incorporated in 2022 and is headquartered in Waltham, Massachusetts.

Viridian Therapeutics, Inc., a biotechnology company, discover and develops treatments for serious and rare diseases. The company's product pipeline includes VRDN-001, a monoclonal antibody targeting insulin-like growth factor-1 receptor that is in Phase 3 clinical trial for the treatment of thyroid eye disease (TED); and VRDN-003, a next generation IGF-1R humanized monoclonal antibodies targeting IGF-1R and incorporating half-life extension technology for the treatment of TED. It also provides VRDN-006 a preclinical program for autoimmune disease. In addition, the company offers VRDN-006 and VRDN-008 a preclinical program for autoimmune disease. The company was formerly known as Miragen Therapeutics, Inc. and changed its name to Viridian Therapeutics, Inc. in January 2021.Viridian Therapeutics, Inc. was founded in 2010 and is headquartered in Waltham, Massachusetts.

Astria Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of therapeutics for allergic and immunological diseases in the United States. Its lead product candidate is STAR-0215, a monoclonal antibody inhibitor of plasma kallikrein, which is in Phase 1b/2 clinical trials for the treatment of hereditary angioedema. The company is also developing STAR-0310, a monoclonal antibody OX40 antagonist that is in preclinical development for the treatment of atopic dermatitis, an immune disorder associated with loss of skin barrier function and itching. The company was formerly known as Catabasis Pharmaceuticals, Inc. and changed its name to Astria Therapeutics, Inc. in September 2021. Astria Therapeutics, Inc. was incorporated in 2008 and is headquartered in Boston, Massachusetts.

XBiotech Inc., a biopharmaceutical company, discovers, develops, and commercializes True Human monoclonal antibodies for treating various diseases. The company focuses on developing a pipeline of product candidates targeting both inflammatory and infectious diseases. It is also developing interleukin-1 alpha therapies to treat variety of medical conditions, such as cancer, stroke, heart attack, or arthritis; and mediates tissue breakdown, angiogenesis, the formation of blood clots, malaise, muscle wasting, and inflammation. The company was incorporated in 2005 and is headquartered in Austin, Texas.

Aerovate Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops drugs that enhance the lives of patients with rare cardiopulmonary diseases in the United States. It focuses on advancing AV-101, a dry powder inhaled formulation of imatinib for the treatment of pulmonary arterial hypertension, which is in Phase 2b/Phase 3 trial. The company was incorporated in 2018 and is headquartered in Waltham, Massachusetts.

Pulmatrix, Inc., a clinical stage biotechnology company, focused on development of novel inhaled therapeutic products to prevent and treat respiratory and other diseases with unmet medical needs in the United States. The company offers iSPERSE, an engineered dry powder delivery platform, which enables delivery of small or large molecule drugs to the lungs by inhalation for local or systemic applications. It engages in developing PUR1800, a narrow spectrum kinase inhibitor completed Phase 1b clinical trials for the treatment of acute exacerbations in chronic obstructive pulmonary disease; PUR1900 for the treatment of allergic bronchopulmonary aspergillosis in patients with asthma and cystic fibrosis; and PUR3100, an iSPERSE formulation of dihydroergotamine which is in Phase 1 for the treatment of acute migraine. It has a license agreement with RespiVert Ltd. for access to a portfolio of kinase inhibitor drug candidates. The company was founded in 2003 and is headquartered in Bedford, Massachusetts.

Windtree Therapeutics, Inc., a biotechnology company, focuses on the development of therapeutics for the treatment of acute cardiovascular diseases. The company's lead product candidate is istaroxime, which is in Phase 2b clinical trial for the treatment of acute decompensated heart failure, as well as for the treatment of early cardiogenic shock. It also develops AEROSURF, an aerosolized KL4 surfactant that is in Phase 2b clinical trial to treat respiratory distress syndrome in premature infants; Surfaxin, a lyophilized KL4 surfactant, which is in Phase 2a clinical trial for the treatment of lung injury resulting from COVID-19; Rostafuroxin that is in Phase 2b clinical trial for the treatment of genetically associated hypertension; and oral and intravenous SERCA2a activator, which is in preclinical trial for the treatment of chronic and acute heart failure. In addition, it is developing aPKCi Inhibitor for the treatment of cutaneous malignancies and solid tumors that is in preclinical trials. Windtree Therapeutics, Inc. has a collaboration with Universita degli Studi di Milano-Bicocca for the discovery and development of new SERCA2a compounds for the treatment of chronic and acute human heart failure; a strategic alliance with Laboratorios del Dr. Esteve, S.A. for the development, marketing, and sale of a portfolio of potential KL4 surfactant products; license, development and commercialization agreement with Lee's Pharmaceutical (HK) Ltd. and Zhaoke Pharmaceutical (Hefei) Co. Ltd.; license agreement with Philip Morris USA, Inc. and Johnson & Johnson; and collaboration with Battelle Memorial Institute for development of its ADS for use in its phase III program. The company was formerly known as Discovery Laboratories, Inc. and changed its name to Windtree Therapeutics, Inc. in April 2016. The company was founded in 1992 and is headquartered in Warrington, Pennsylvania.