X0306 4 2022-02-18 0001145197 INSULET CORP PODD 0001768648 McMillan Wayde D. C/O INSULET CORPORATION 100 NAGOG PARK ACTON MA 01720 1 EVP, CFO Common Stock 2022-02-18 4 A 0 7057 0 A 26777 D Common Stock 2022-02-18 4 F 0 2673 234.18 D 24104 D Represents shares issued upon the satisfaction of performance criteria related to Performance Share Units ("PSUs"). The PSUs were settled in shares of common stock on a one-for-one basis. This transaction represents the withholding of shares upon the vesting of performance share units to cover the associated tax obligations. /s/ John W. Kapples, attorney-in-fact 2022-02-22