William Edwards

Palo Alto Investors LLC (PAI) is a registered investment advisor and hedge fund manager headquartered in Palo Alto, California. The firm was founded by William L. Edwards in 1989 as Palo Alto Investors LLC and converted into a California limited partnership in 2018. They are a subsidiary of PAI LLC. PAI serves as the investment adviser to private pooled investment vehicles, the securities of which are offered to investors on a private placement basis.

T. Rowe Price Associates, Inc. (Price Associates) is a registered investment advisor and mutual fund manager headquartered in Baltimore, Maryland. The firm was founded by Thomas Rowe Price, Jr. in 1937. They are a subsidiary of the T. Rowe Price Group, Inc. (NASDAQ: TROW), which was formed in 2000 as the publicly traded parent holding company of Price Associates and their affiliated entities. Price Associates offers a variety of mutual funds, sub-advisory services and separate account management for individual and institutional investors, retirement plans and financial intermediaries.

FoxHollow Technologies, Inc. designs, develops, manufactures, and sells medical devices for the treatment of peripheral artery disease. The company's products include Rinspirator, Seath, and SilverHawk plaque excision system. Its products are used for disposable catheter system that removes plaque and reopens blocked arteries. The company was founded by John B. Simpson in October 1996 and is headquartered in Redwood City, CA.