---
schema_version: "secwatch.filing_event.v1"
accession: "0001145197-26-000033"
form_type: "8-K/A"
ticker: "PODD"
cik: "0001145197"
company_name: "INSULET CORP"
filed_at: "2026-02-24T23:59:59+00:00"
generated_at: "2026-05-16T00:40:36.656211+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Insulet finalizes auditor change: Grant Thornton out, PwC in for FY2026

## Summary
- Grant Thornton completed its audit for FY2025; dismissal effective Feb 18, 2026.
- PwC selected as independent auditor for fiscal year ending Dec 31, 2026.
- No disagreements or reportable events with Grant Thornton during 2024, 2025, or interim 2026.
- No prior consultations with PwC on accounting or auditing matters.
- GT's audit reports for 2024 and 2025 had no adverse or qualified opinions.

## SEC filing metadata
- accession: 0001145197-26-000033
- form_type: 8-K/A
- ticker: PODD
- cik: 0001145197
- company_name: INSULET CORP
- filed_at: 2026-02-24T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1145197/000114519726000033/0001145197-26-000033-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1145197/000114519726000033/podd-20251215.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001145197-26-000033
- JSON: https://secwatch.observer/filing/0001145197-26-000033.json
- Plain text: https://secwatch.observer/filing/0001145197-26-000033.txt

## Source-grounded claims
- claim_id: 919e341ecab8dde1113e1863382c872209aaa0a2
  claim: INSULET CORP dismissed GT as its auditor.
  evidence_excerpt: GT was dismissed as the Company’s independent registered public accounting firm upon completion of its audit services on February 18, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1145197/000114519726000033/0001145197-26-000033-index.htm
- claim_id: a4af16613a68d9388c99c2069b16ec9cc0aad136
  claim: INSULET CORP engaged PwC as its auditor.
  evidence_excerpt: the Audit Committee selected PwC as the Company’s independent registered public accounting firm for the Company’s fiscal year ending December 31, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1145197/000114519726000033/0001145197-26-000033-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.