X0306 4 2022-02-11 0 0001337013 InfuSystem Holdings, Inc INFU 0001769450 GENDRON PAUL ANDREW 3851 WEST HAMLIN ROAD ROCHESTER HILLS MI 48309 1 0 0 0 Common Stock 2022-02-11 4 P 0 10000 10.67 A 60000 D The price reported in Column 4 is a weighted average price. The shares reported herein were purchased in multiple transactions. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. /s/ Kevin Whitman, Attorney-in-Fact for Paul A. Gendron 2022-02-15