Sally S. Sarsfield

W.R. Grace & Co. engages in the production and sale of chemicals and materials. It operates through the Grace Catalysts Technologies and Grace Materials Technologies segments. The Grace Catalysts Technologies segment includes catalysts and related products and technologies used in refining, petrochemical and other chemical manufacturing applications. The Grace Materials Technologies segment consists of specialty materials, including silica-based and silica-alumina-based materials, used in coatings, consumer, industrial, and pharmaceutical applications. The firm specializes in chemical processing, coatings and inks, food and beverage, general industrial, nutraceutical, personal care, pharma, and plastics industries. The company was founded by William Russell Grace in 1854 and is headquartered in Columbia, MD.

RA Capital Management LP (RA Capital) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in Boston, Massachusetts. The firm was founded by Peter Kolchinsky in 2004. RA Capital provides discretionary investment advisory services to Healthcare Funds and the Nexus Funds which are open only to certain financially sophisticated and high net-worth individuals and entities.

Axel Johnson Inc. engages in supplying energy products and services. It develops water softeners, filters, drinking water systems, and water purification systems to residential and light commercial customers. The firm provides material handling services. The company was founded in 1920 and is headquartered in New York, NY.

Sprague Operating Resources LLC generates and distributes oil and natural gas. Its products include diesel, gasoline, home heating oil, and residual fuels. The firm also offers differentiated products and services including value-added customer support and online tools. The company was founded by Charles Hill Sprague in 1870 and is headquartered in Portsmouth, NH.

Mountain Lumber Co. distributes lumber and wooden products. The firm's services include obtaining historic wood from old buildings, piers and other structures slated for demolition and re saws, kiln-dries, mills and for use as flooring, beams, stairs, cabinets and other products. The company was founded by Willie Drake in 1974 and is headquartered in Ruckersville, VA.

Founded by Jonathan Lach in 2003, BlueStar Capital Management LP is a hedge fund manger located in Westport, Connecticut. They manage the BlueStar Life Sciences LP, a healthcare sector hedge fund of funds.

Sprague Resources LP engages in the purchase, storage, distribution and sale of refined products and natural gas. It operates through the following segments: Refined Products, Natural Gas, Materials Handling, and Other Operations. The Refined Products segment offers refined products, such as heating oil, diesel, residual fuel oil, kerosene, jet fuel and gasoline. The Natural Gas segment purchases, sells and distributes natural gas. The Materials Handling segment stores various customer owned products, which includes asphalt, clay slurry, salt, gypsum, coal, petroleum coke, caustic soda, tallow, pulp and heavy equipment. The Other Operations segment includes the marketing and distribution of coal conducted in Portland, Maine terminal, commercial trucking activity conducted by Canadian subsidiary and heating equipment service business. The company was founded by Charles Hill Sprague in 1870 and is headquartered in Portsmouth, NH.

Part of Hartree Partners LP, Sprague Resources GP LLC engages in the purchase, storage, and distribution of refined products and natural gas. The private company is based in Portsmouth, NH. Sprague Resources GP was acquired by Hartree Partners LP from Sprague Resources Holdings LLC on May 28, 2021.