Jonathan Jay Mazelsky Form 3 Filing - Director Ownership Disclosure

This Form 3 filing discloses that Jonathan Jay Mazelsky, a director of Insulet Corporation (PODD), reported ownership of 0 shares of common stock as of July 1, 2026. The filing indicates that Mazelsky holds no securities in the company, with the ownership being reported as direct. The document was filed on July 2, 2026, and signed by Patricia K. Dolan as attorney-in-fact. Form 3 filings are required for initial statements of beneficial ownership of securities by directors, officers, and beneficial owners of more than 10% of a class of equity securities registered under Section 12 of the Securities Exchange Act of 1934. This filing establishes the baseline ownership position for Mazelsky as a director of Insulet Corporation, which manufactures and sells insulin management systems for people with diabetes.