X0306 4 2019-11-25 false 0001688476 NEXTIER OILFIELD SOLUTIONS INC. NEX 0001702981 STEWART JAMES CARL 3990 ROGERDALE ROAD HOUSTON TX 77042 true false false false Common Stock 2019-11-25 4 J false 1839089.00 0.00 A 2328238.00 D Common Stock 2019-11-25 4 J false 31249.00 0.00 A 2359487.00 I Indirect Pro-rata in-kind distribution from Keane Investor Holdings LLC to its members, including the reporting person and JS Keane Coinvestor, LLC (Coinvestor), without consideration. Held by Coinvestor, for which Little B Holdings, LLC, is its sole member, for which the reporting person serves as president and may be deemed to have voting and dispositive power with regard to the shares held by Coinvestor. The reporting person disclaims beneficial ownership of the shares held by Coinvestor except to the extent of his pecuniary interest therein. /s/ Kevin McDonald, attorney-in-fact 2019-11-27