Refiner HF Sinclair CFO takes voluntary leave of absence, shares down

Shares of U.S. refiner HF Sinclair DINO.N fall 4.1% to $48.52 premarket

DINO CFO Atanas Atanasov takes voluntary leave of absence from his duties; Vivek Garg named CFO

Last week, CEO Tim Go took voluntary leave of absence amid a disclosure review

Co says it reviewed certain issues relating to its disclosure processes that could impair its ability to make appropriate and timely decisions

DINO shares up 10.1% YTD