Phathom Pharmaceuticals PHAT

Effective April 1, 2025, Steven Basta was appointed as the Chief Executive Officer, President and as a Class I director of Phathom Pharmaceuticals, Inc. Mr. Basta, age 59, served as the Chief Executive Officer of SaNOtize Research and Development Corp., a company that develops and commercializes anti-infective therapies, from September 2023 until March 2025. From December 2020 until October 2022, Mr. Basta served as the Chief Executive Officer of Mahana Therapeutics, a privately held prescription digital therapeutic company. From September 2015 to March 2020, Mr. Basta served as President and Chief Executive Officer of Menlo Therapeutics, Inc. (which later became VYNE Therapeutics, Inc.), a publicly-traded biopharmaceutical company. He previously served as Chief Executive Officer of AlterG and BioForm Medical and its successor Merz Aesthetics. Mr. Basta has served as a director of VYNE Therapeutics since September 2015 and served as a director of the publicly held company Viveve Medical from 2018 until March 2023, including as Chairman of the Board beginning in January 2019. He has served as a director of DermBiont, Inc., a privately held pharmaceutical company, since March 2020. Mr. Basta received a B.A. from The Johns Hopkins University and an M.B.A. from the Kellogg Graduate School of Management at Northwestern University.

Sanjeev Narula, is our Chief Financial and Business Officer since October 2025. Mr. Narula served as Executive Vice President, Chief Financial Officer and Treasurer of Intra-Cellular Therapies, Inc., a publicly-traded biopharmaceutical company, from August 2024 until April 2025. Mr. Narula previously served as Chief Financial Officer of Viatris Inc., a publicly-traded biopharmaceutical company, from November 2020, when Mylan N.V. combined with Pfizer Inc.'s Upjohn business to form Viatris Inc., until March 2024. Prior to that, Mr. Narula served as Chief Financial Officer of Pfizer's Upjohn division beginning in January 2019, with responsibility for oversight of finance, procurement and business technology for all functions of the business. From January 2014 to January 2019, Mr. Narula served as Chief Financial Officer and Vice President, Finance for Pfizer's Essential Health Business, with responsibility for business development, financial planning and analysis, and other finance activities. Prior to that Mr. Narula served as Chief Financial Officer and Vice President of Pfizer's Primary Care Business Unit and prior to that held several leadership positions of increasing responsibilities during his 16 years at Pfizer. Prior to joining Pfizer, Mr. Narula held financial and operational leadership roles at American Express and Xerox India. Mr. Narula received his Bachelor of Commerce (Honors) Degree from Delhi University and his Chartered Accountant degree from The Institute of Chartered Accountants of India.

Anne Marie Cook, is our Chief Legal Officer and Secretary since June 2025. Ms. Cook previously served as Senior Vice President, General Counsel of Sage Therapeutics, Inc., a publicly-traded biopharmaceutical company, from September 2015 to October 2024 and as the corporate Secretary from December 2015 to October 2024. Prior to joining Sage Therapeutics, Inc., she served from December 2011 to September 2015 as Senior Vice President, General Counsel of Aegerion Pharmaceuticals, Inc. From December 2008 to December 2011, Ms. Cook was a partner at the law firm Choate Hall & Stewart LLP. From April 2007 to December 2008, Ms. Cook was a Principal at the law firm Miller Canfield P.L.C. From September 2005 until April 2007, Ms. Cook served as General Counsel and Senior Vice President, Business and Corporate Development, and Secretary of ViaCell, Inc. Prior to joining ViaCell, Inc., Ms. Cook spent thirteen years at Biogen Idec Inc., most recently as Vice President, Chief Corporate Counsel. Ms. Cook holds a B.S. degree from Tufts University and a J.D. degree from the University of Notre Dame Law School.

Theodore R. Schroeder has served on our board since April 2025. Mr. Schroeder served as Chief Executive Officer of Nabriva Therapeutics from July 2018 to January 2023 and as a director until March 2025, following Nabriva's acquisition of Zavante Therapeutics, where he served as co-founder, President, and Chief Executive Officer from June 2015 until July 2018. Mr. Schroeder co-founded Cadence Pharmaceuticals, Inc., a publicly-traded biopharmaceutical company, in May 2004 and served as its President and Chief Executive Officer, and a member of the board of directors, until its acquisition in March 2014 by Mallinckrodt plc, a publicly-traded global biopharmaceutical company. Earlier in his career, he held senior leadership roles at Elan Pharmaceuticals, Dura Pharmaceuticals, and Bristol-Myers Squibb. Mr. Schroeder served as a director of Cidara Therapeutics, a publicly-traded biopharmaceuticals company, from April 2014 until its acquisition by Merck in January 2026 and previously served as a director of several public life sciences companies, including Otonomy, Inc. from August 2015 until January 2023 and Collegium Pharmaceutical from January 2016 until May 2021, as well several other public and private life sciences companies including Hyperion Therapeutics, Incline Therapeutics, and Trius Therapeutics. He is also a former Chairman of Biocom California and the Antimicrobials Working Group. In 2014, he was named EY Entrepreneur of the Year for the San Diego region and was recognized as a national finalist. He holds a B.S. in Management from Rutgers University.

Michael F. Cola has served as a member of our board of directors since September 2019, and as Chairman of our Board since February 2022. In February 2026, Mr. Cola was appointed to serve as Chief Executive Officer of Helus Pharma, the commercial operating name of Cybin Inc., a clinical stage pharmaceutical company. Mr. Cola served as Chief Executive Officer of Avalo Therapeutics (formerly, Cerecor Inc.) from its acquisition of Aevi Genomic Medicine, Inc. in February 2020 until February 2022. Prior to the acquisition, Mr. Cola had served as Chief Executive Officer and President of Aevi Genomic Medicine, Inc. since September 2013. Mr. Cola served as President of Shire plc's Specialty Pharmaceuticals business from 2007 until April 2012. Mr. Cola joined Shire in July 2005 as Executive Vice President for Global Therapeutic Business Units and Portfolio Management prior to being named President of the Specialty Pharmaceuticals business. Prior to joining Shire, Mr. Cola spent more than five years at Safeguard Scientifics, where he served as President of the Life Sciences Group. As part of his role with Safeguard Scientifics, Mr. Cola served as Chairman and CEO of Clarient, a cancer diagnostics company, and chairman of Laureate Pharma, a full-service contract manufacturing organization serving research-based biologics companies. Prior to joining Safeguard Scientifics, Mr. Cola held senior positions of increasing responsibility in product development and commercialization at AstraMerck, and later with AstraZeneca. Mr. Cola previously served on the board of directors of Sage Therapeutics, Inc. from September 2014 to July 2025. Mr. Cola received his Bachelor of Arts degree in biology and physics from Ursinus College and his Master of Science degree in biomedical science from Drexel University.

Heidi Kunz has served as a member of our board of directors since September 2019. Ms. Kunz served as Executive Vice President and Chief Financial Officer of Blue Shield of California from September 2003 until her retirement in December 2012. Prior to joining Blue Shield of California, she served as Executive Vice President and Chief Financial Officer of Gap, Inc. from 1999 to January 2003. From 1995 to 1999, Ms. Kunz served as the Chief Financial Officer of ITT Industries, Inc. She has also held senior financial management positions at General Motors Corporation, including Vice President and Treasurer during her 16-year tenure from 1979 to 1995. Ms. Kunz currently serves as a director of Agilent Technologies Inc., a global scientific instrument manufacturing and clinical diagnostics company, and previously served as a director of Icosavax, Inc., a public biotechnology company, until its acquisition by AstraZeneca in February 2024, and as a director of Avanos Medical, Inc., a public medical device company and Financial Engines, Inc., an investment advisement company. Ms. Kunz received an MBA in Finance and Accounting from Columbia Business School and a bachelor's degree in Russian Language from Georgetown University.

Asit Parikh, M.D., Ph.D. joined our board of directors in December 2019. Dr. Parikh has served as the Chief Executive Officer and a director of MOMA Therapeutics since April 2021. From October 2014 through March 2021, Dr. Parikh served as the Senior Vice President and head of the Gastrointestinal Therapeutic Area Unit at Takeda Pharmaceuticals. Prior to that, Dr. Parikh served in various positions at Takeda since 2006. Dr. Parikh received a bachelor's degree in Biochemistry and Molecular Biology from Northwestern University and an M.D. and Ph.D. in Biochemistry and Molecular Biology from Vanderbilt University School of Medicine. He completed his internal medicine residency at the University of Pennsylvania and completed specialty training in gastroenterology at the Massachusetts General Hospital. He also completed postdoctoral work in cancer biology at Massachusetts Institute of Technology.

Frank Karbe joined our board of directors in April 2022. Mr. Karbe has over twenty-five years of financial and life-sciences expertise and served as Chief Financial Officer of Cidara Therapeutics from February 2025 to January 2026 when Cidara was acquired by Merck & Co., Inc. Mr. Karbe was appointed Chief Executive Officer and a director of Better Therapeutics, Inc. from June 2022 to March 2024. Previously, Mr. Karbe served as the Principal Financial and Accounting Officer of Myovant Sciences, Inc. from September 2016 to August 2021. Mr. Karbe was appointed as Myovant's Chief Financial Officer in April 2017 and was subsequently appointed as President and Chief Financial Officer in February 2020. From September 2014 to July 2016, Mr. Karbe served as President of The Color Run, a global mass participation events platform. From January 2004 to June 2014, Mr. Karbe was the Executive Vice President and Chief Financial Officer of Exelixis, Inc., a biotechnology company. Prior to joining Exelixis in 2004, Mr. Karbe worked as an investment banker for Goldman Sachs & Co., where he served most recently as Vice President in the healthcare group advising clients on corporate finance and mergers and acquisitions. Prior to joining Goldman Sachs in 1997, Mr. Karbe held various positions in the finance department of The Royal Dutch/Shell Group in Europe. Mr. Karbe served as a director of Aduro Biotech, Inc. from April 2019 to October 2020 when Aduro Biotech was merged with Chinook Therapeutics, Inc. Mr. Karbe also served as a director of Arbutus Biopharma Corporation from 2010 to 2018. Mr. Karbe received his Diplom Kaufmann from the WHU-Otto Beisheim Graduate School of Management, Koblenz, Germany.

Mark Stenhouse has served on our board of directors since March 2020. Mr. Stenhouse served as the Chief Operating Officer of Prometheus Biosciences from March 2021 until its sale to Merck in June 2023, and served as General Manager, Screening Business Unit at Exact Sciences Corporation, a biotechnology company, from April 2018 to January 2021. From October 2016 until March 2018, Mr. Stenhouse served as Vice President, U.S. Immunology of AbbVie, Inc., a biopharmaceutical company, where he oversaw U.S. expansion into the immunology marketplace. From April 2010 until September 2016, Mr. Stenhouse served as Vice President and Vice President/General Manager, U.S. Immunology-Gastroenterology Franchise at AbbVie. From September 2006 through March 2010, Mr. Stenhouse held various senior management, marketing and sales positions within Abbott Laboratories' U.S. Immunology division. Mr. Stenhouse earned a bachelor's degree in business administration from the College of Charleston.

James Topper, M.D., Ph.D. has served as a member of our board of directors since September 2022 and he previously served as a member of our board of directors from January 2018 to May 2021. Since 2005, Dr. Topper has also served as the Managing General Partner at Frazier, a venture capital firm, with whom he served as a Partner from 2003 to 2005. Prior to that, from 2002 to 2003, Dr. Topper served as head of the Cardiovascular Research and Development Division at Millennium Pharmaceuticals, Inc., a biopharmaceutical company. Dr. Topper has served as a member of the board of directors of the publicly traded company NewAmsterdam Pharma B.V., a biotechnology company, since November 2022. Dr. Topper previously served as a member of the board of directors of the following publicly traded companies: Alpine lmmune Sciences, Inc., a biotechnology company, from June 2016 to May 2024 and AnaptsyBio, Inc., a biotechnology company, from November 2007 to September 2023. Dr. Topper received a B.S. in Biology from the University of Michigan and an M.D. and a Ph.D. in Biophysics from the Stanford University School of Medicine. He did his postgraduate training in internal medicine and cardiovascular disease at the Brigham and Women's Hospital in Boston and was board certified in both disciplines.

Jonathan Bentley is the former Vice President of Sales at Intra-Cellular Therapies, where he led multiple national field organizations from initial commercial buildout through the company's acquisition by Johnson & Johnson for $14.6 billion. He also brings deep gastrointestinal expertise from his tenure at Salix Pharmaceuticals, where he held key sales and operations leadership roles contributing to the company's acquisition by Bausch Health for $11 billion. Mr. Bentley holds a bachelor's degree from the United States Military Academy at West Point and is a former U.S. Army officer.

Robert Breedlove is the former Senior Manager at van den Boom & Associates, an accounting and finance consulting firm. In this role, he oversaw the development of several finance and accounting departments at clinical and commercial stage life sciences companies. Previously, Mr. Breedlove served as the Manager of Financial Reporting and Compliance at Neogenomics and prior to that held numerous roles of increasing responsibility at Ernst & Young. Mr. Breedlove is a Certified Public Account and earned his B.A. and M.A. in accountancy from the University of San Diego.