X0306 4 2021-03-19 false 0001255474 WHITING PETROLEUM CORP WLL 0001400706 Henderson James P 1700 LINCOLN STREET SUITE 4700 DENVER CO 80203 false true false false EVP Finance & CFO Common Stock 2021-03-19 4 M false 23150.00 A 23150.00 D Common Stock 2021-03-19 4 F false 10160.00 33.29 D 12990.00 D Restricted Stock Units 2021-03-19 4 M false 23150.00 0.00 D Common Stock 23150.00 0.00 D Represents conversion of restricted stock units under the Whiting Petroleum Corporation 2020 Equity Incentive Plan each of which represents the right to receive one share of Whiting Petroleum Corporation common stock. The 46,300 RSUs granted in September 2020 vested 50% on March 19, 2021 as the volume weighted average price for Whiting Petroleum Corporation common stock ("VWAP") exceeded $32.57 per share for 20 consecutive trading days. The remaining 23,150 RSUs will vest an additional 25% if the VWAP exceeds $48.86 per share for 20 consecutive trading days and the final 25% if VWAP exceeds $65.14 per share for 20 consecutive trading days. /s /M. Scott Regan, Attorney-in-Fact for Henderson, James P. 2021-03-23