X0306 4 2020-08-12 0001145197 INSULET CORP PODD 0001707443 Christensen Bret C/O INSULET CORPORATION 100 NAGOG PARK ACTON MA 01720 1 EVP and CCO Common Stock 2020-08-12 4 S 0 5000 201.54 D 13700 D The price reported represents the weighted average sale price of the shares sold. The shares were sold at varying prices in the range of $201.00 to $202.19. The Reporting Person hereby undertakes, upon request of the Staff of the U.S. Securities Exchange Commission, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares sold at each separate price. Includes 99 shares acquired under the Insulet Corporation Stock Purchase Plan on May 29, 2020. /s/ John W. Kapples, attorney-in-fact 2020-08-13