X0306 4 2022-03-17 0001145197 INSULET CORP PODD 0001631895 Petrovic Shacey C/O INSULET CORPORATION 100 NAGOG PARK ACTON MA 01720 1 1 President and CEO Common Stock 2022-03-17 5 G 0 E 19903 0 D 13607 D Common Stock 2022-03-17 5 G 0 E 19903 0 A 26304 I By SP Trust Common Stock 2022-04-04 4 M 0 15000 29.26 A 28607 D Common Stock 2022-04-04 4 S 0 15000 273.25 D 13607 D Common Stock 61259 I By NG Trust Employee Stock Option (Right to Buy) 29.26 2022-04-04 4 M 0 15000 0 D 2026-02-24 Common Stock 15000 7070 D On March 17, 2022, the reporting person transferred 19,903 shares of Insulet common stock to a family trust of which the reporting person is a trustee. The reporting person and members of her immediate family are beneficiaries of the trust. The transactions reported in this Form 4 were effected pursuant to an existing Rule 10b5-1 trading plan. The price reported represents the weighted average sale price of the shares sold. The shares were sold at varying prices in the range of $270.79 to $279.59. Specifically: 4,146 shares were sold in the range of $270.79 to $271.77 per share, with a weighted average share price of $271.35; 1,928 shares were sold in the range of $271.79 to $272.73 per share, with a weighted average share price of $272.10; 3,111 shares were sold in the range of $272.80 to $273.77 per share, with a weighted average share price of $273.30; 3,618 shares were sold in the range of $273.78 to $274.77 per share, with a weighted average share price of $274.21; 1,413 shares were sold in the range of $274.78 to $275.35 per share, with a weighted average share price of $275.08; 200 shares were sold in the range of $276.09 to $276.37 per share, with a weighted average share price of $276.23; 142 shares were sold in the range of $277.64 to $278.39 per share, with a weighted average share price of $278.20 and 442 shares were sold in the range of $278.66 to $279.59 per share, with a weighted average share price of $279.28. The Reporting Person hereby undertakes, upon request of the Staff of the U.S. Securities and 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. This option is subject to a four-year vesting period with 25% of the total award vesting one year after the grant date and the remainder vesting in equal quarterly installments each quarter thereafter for 12 quarters, subject to continued employment. /s/ John W. Kapples, attorney-in-fact 2022-04-05