X0306 4 2021-11-15 0000775158 OSHKOSH CORP OSK 0001699929 Freeders James C C/O OSHKOSH CORPORATION 1917 FOUR WHEEL DRIVE OSHKOSH WI 54902 0 1 0 0 Senior VP and Controller Common Stock 2021-11-16 4 M 0 1243.485 A 3564.434 D Common Stock 2021-11-16 4 F 0 585 115.07 D 2987.304 D Restricted Stock Units 2021-11-15 4 A 0 675 0 A Common Stock 675 675 D Restricted Stock Units 2021-11-16 4 M 0 1243.485 0 D 2021-11-16 Common Stock 1243.485 2487.977 D Each Restricted Stock Unit represents a contingent right to receive one share of OSK common stock. Amount includes a total of 641.70 shares acquired under the Oshkosh Corporation Employee Stock Purchase Plan through November 17, 2021. Between November 20, 2020 and November 17, 2021, the reporting person acquired 7.87 shares under the Oshkosh Corporation Employee Stock Purchase Plan. Restricted Stock Unit Award granted pursuant to the Company's Stock Plan. Restricted Stock Unit Award vests in one-third (1/3) annual increments commencing on 11/15/2022. Restricted Stock Unit Award vests in one-third (1/3) annual increments commencing on 11/16/2021. Ignacio A. Cortina, for James C. Freeders 2021-11-17