---
schema_version: "secwatch.filing_event.v1"
accession: "0001321732-24-000042"
form_type: "8-K"
ticker: "PEN"
cik: "0001321732"
company_name: "Penumbra Inc"
filed_at: "2024-03-21T23:59:59+00:00"
generated_at: "2026-06-04T09:36:27.389747+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Penumbra dismisses Deloitte, appoints PwC as auditor for FY2024

## Summary
- Deloitte & Touche dismissed as independent auditor effective March 17, 2024.
- PricewaterhouseCoopers appointed as new auditor for fiscal year ending Dec 31, 2024.
- Deloitte's reports on 2023 and 2022 financials contained no adverse opinion or qualification.
- No disagreements or reportable events occurred during 2023, 2022, or interim period through March 17, 2024.
- Deloitte has provided a letter agreeing with the company's disclosures, filed as Exhibit 16.1.

## SEC filing metadata
- accession: 0001321732-24-000042
- form_type: 8-K
- ticker: PEN
- cik: 0001321732
- company_name: Penumbra Inc
- filed_at: 2024-03-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1321732/000132173224000042/0001321732-24-000042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1321732/000132173224000042/pen-20240317.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001321732-24-000042
- JSON: https://secwatch.observer/filing/0001321732-24-000042.json
- Plain text: https://secwatch.observer/filing/0001321732-24-000042.txt

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