X0306 4 2019-11-08 0 0001337013 InfuSystem Holdings, Inc INFU 0001706994 Dilorio Richard 31700 RESEARCH PARK DRIVE MADISON HEIGHTS MI 48071 1 1 0 0 President and CEO Common Stock 2019-11-08 4 M 0 50000 0 A 278522 D Common Stock 2019-11-08 4 F 0 46008 6.5 D 232514 D Restricted Stock Units 2019-11-08 4 M 0 50000 0 D Common Stock 50000 0 D This total includes 1,227 shares acquired recently through the Company's Employee Stock Purchase Plan. Represents the withholding of the Issuer's common stock for the tax liability associated with the vesting and settlement of a portion of the restricted stock units granted on August 23, 2018. Represents the acquisition of Issuer's common stock by reporting person pursuant to the vesting and settlement of the restricted stock units granted on August 23, 2018. Restricted stock units convert into common stock on a one-for-one basis. /s/Kevin Whitman, Attorney-in-Fact for Richard Dilorio 2019-11-12