X0306 4 2021-10-15 0000775158 OSHKOSH CORP OSK 0001570383 Nelson Bradley M. C/O OSHKOSH CORPORATION 1917 FOUR WHEEL DRIVE OSHKOSH WI 54902 0 1 0 0 SVP & Pres. Commercial Segment Common Stock 2021-10-15 4 M 0 3771 101.66 A 17309.129 D Common Stock 2021-10-15 4 F 0 1720 101.66 D 15589.129 D Common Stock 2021-10-15 4 M 0 2676 101.66 A 18265.129 D Common Stock 2021-10-15 4 F 0 1221 101.66 D 17044.129 D Shares issued pursuant to the ROIC-based Performance Shares previously granted under the Company's 2017 Incentive Stock and Awards Plan for the performance period October 1, 2018 through September 30, 2021 (which takes into account performance through June 30, 2021). Shares issued pursuant to the TSR-based Performance Shares previously granted under the Company's 2017 Incentive Stock and Awards Plan for the performance period October 1, 2018 through September 30, 2021. Ignacio A. Cortina, for Bradley M. Nelson 2021-10-18