Thomas Leggett

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.

Purdue Pharma LP engages in the development and provision of prescription medicines. It offers a portfolio of medical products in categories, including prescription opioids, sleep, laxatives, antiseptics, and dietary supplement. The company was founded by Raymond R. Sackler in 1991 and is headquartered in Stamford, CT.

Affinia Therapeutics, Inc. is a preclinical stage company, which engages in the research and development of gene therapy. It offers Affinia Rationally-designed Therapies (ART) platform, which develops novel therapies, focusing on the key components of a gene therapy: capsids, which are the outer shells of a virus used to package the genetic code to treat a disease; promoters, which control how the cells read the genetic code that is delivered; and manufacturing approaches, which determine the quality and cost of potential medicines. The company was founded by Luk Vandenberghe, Botond Roska, and Aaron Tward in 2019 and is headquartered in Waltham, MA.

Research Alliance Corp. II operates as a blank check company. The company was founded by Peter Kolchinsky, Matthew Hammond and Tess Cameron on July 17, 2020 and is headquartered in Las Vegas, NV.