Consol Energy Inc. /zigman2/quotes/208773703/composite CEIX -4.28% disclosed Friday the resignation of Chief Financial Officer David Khani, which was effective Dec. 31. The coal production company said Khani's resignation was not the result of any disagreement or conflict with the company. Separately, natural gas production company EQT Corp. /zigman2/quotes/209305691/composite EQT -1.61% said Friday that it named David Khani as its CFO, effective Jan. 3. Consol said it named Director of Finance Mitesh Thakkar as its interim CFO. Khani EQT said Khani succeeds interim CFO Kyle Derham, who will remain eventually return to his role as partner of Rice Investment Group. Consol's stock was still inactive in premarket trading while EQT shares gained 1%. Over the past 12 months, Consol's stock has tumbled 53.4% and EQT's has dropped 46.4%, while the S&P 500 /zigman2/quotes/210599714/realtime SPX -0.54% has climbed 33.1%.