HollyFrontier completed its merger with oil refiner Sinclair. As part of the deal, HollyFrontier formed a new parent company, HF Sinclair, and all of its shares were converted into HF Sinclair common stock. Sinclair shareholders received a 27% stake in the new company for $2.1 billion. Beginning today, the shares will be traded as HF Sinclair shares with the ticker symbol DINO instead of HollyFrontier securities on the NYSE.