Edmund Xia

HBK Investments LP, do-business-as HBK Capital Management (HBK), is a SEC-registered investment advisor and hedge fund manager headquartered in Dallas, Texas. The firm was founded in 1991 and is a subsidiary of HBK Partners II LP. HBK provides discretionary investment management services and related administrative services to their funds, which are private investment funds offered only to sophisticated investors with substantial resources.

Sanford C. Bernstein & Co. LLC is a registered broker-dealer headquartered in New York City. The firm was founded in 1967 and is a subsidiary of Alliance Capital Management LLC, ultimately held by Equitable Holdings, Inc. (NYSE: EQH). Sanford C. Bernstein & Co. provides trading and executions services to their clients.