Operator Ladies and gentlemen, thank you for standing by and welcome to the Constellation Pharmaceuticals' Fourth Quarter 2020 Earnings Conference Call. [Operator Instructions] I would now like to hand the conference to your speaker today, Kia Khaleghpour, Vice President of Investor Relations and Communications. Please go ahead, ma'am. Kia Khalaghpour -- Thank you, operator. Welcome to this conference call to discuss Constellation's fourth quarter 2020 financial results and operational performance. Please turn to slide 2. Before we begin, I want to point out that our presentation today will include forward-looking statements, which are subject to certain risks and uncertainties. Actual results may differ materially due to various important factors, including those described in the Risk Factors section as well as discussions of potential risk, uncertainty and other important factors in the Company's most recent filings with the Securities and Exchange Commission, including the Company's annual Form 10-K for the fourth quarter and year ended December 31, 2020, which we filed earlier this morning.