X0306 4 2022-10-17 0000775158 OSHKOSH CORP OSK 0001762851 Hawkins Thomas P C/O OSHKOSH CORPORATION 1917 FOUR WHEEL DRIVE OSHKOSH WI 54902 0 1 0 0 SVP, Government Relations Common Stock 2022-10-17 4 M 0 1025 77.81 A 5305.245 D Common Stock 2022-10-17 4 F 0 463 77.81 D 4842.245 D Common Stock 2022-10-17 4 M 0 458 77.81 A 5300.245 D Common Stock 2022-10-17 4 F 0 207 77.81 D 5093.245 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, 2019 through September 30, 2022 (which takes into account performance through June 30, 2022). 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, 2019 through September 30, 2022. Ignacio A. Cortina, for Thomas P. Hawkins 2021-10-19