8-KItem 4.01 · Accountant ChangeItem 9.01 · Financial Statements

Dec 15, 2025 — Insulet's Audit Committee approved appointment of PwC as its independent registered public…

Filed with the SEC on · Summarized by InvestorsBot

Dec 15, 2025 — Insulet's Audit Committee approved appointment of PwC as its independent registered public accounting firm (subject to standard client acceptance) and dismissed Grant Thornton for the fiscal year ending 12/31/2026. Grant Thornton stays on for FY2025. $PODD 🔁🧾 #AuditorChange #SECfiling

Grant Thornton’s audit reports for FY2024 & FY2023 were unqualified; there were no disagreements or reportable events through 12/15/2025. Previously disclosed ITGC material weakness outside North America was remediated per the 2024 10‑K. $PODD ✅🔎 #Audit #CorporateGovernance

Insulet authorized Grant Thornton to respond to PwC about the prior reportable event; Grant Thornton’s letter dated 12/19/2025 is filed as Exhibit 16.1. PwC had no prior consults with Insulet on accounting/audit matters. Change pending PwC client acceptance. $PODD 📄🤝 #Insulet #SEC

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