INSULET CORP

This proxy statement is furnished in connection with the solicitation of proxies by the Board of Directors (the “Board of Directors” or the “Board”) of Insulet Corporation (“Insulet” or the “Company”) for use at the Annual Meeting to be held on Wednesday, May 20, 2026, at 8:00 a.m., Eastern Time (the “Annual Meeting”). The Annual Meeting will be held via live webcast atwww.virtualshareholdermeeting.com/PODD2026. The Company’s Annual Report on Form 10-K for the year ended December 31, 2025 (the “10-K”), is being made available, together with this proxy statement, to shareholders atwww.proxyvote.com.

This summary highlights information related to topics discussed throughout this proxy statement. This summary does not contain all of the information that you should consider, and you should read the entire proxy statement carefully before voting.