---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-109547"
form_type: "8-K"
ticker: "OSK"
cik: "0000775158"
company_name: "OSHKOSH CORP"
filed_at: "2021-08-26T23:59:59+00:00"
generated_at: "2026-06-29T07:42:03.163259+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Oshkosh CEO John Pfeifer discloses pancreatic cancer diagnosis; says he remains engaged

## Summary
- CEO John Pfeifer diagnosed with a cancerous tumor on his pancreas, detected early.
- He has begun treatment and does not expect to take time away from Oshkosh Corporation.
- Pfeifer states he remains optimistic, is engaged, and will continue leading the company.

## SEC filing metadata
- accession: 0001104659-21-109547
- form_type: 8-K
- ticker: OSK
- cik: 0000775158
- company_name: OSHKOSH CORP
- filed_at: 2021-08-26T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/775158/000110465921109547/0001104659-21-109547-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/775158/000110465921109547/tm2125833d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-109547
- JSON: https://secwatch.observer/filing/0001104659-21-109547.json
- Plain text: https://secwatch.observer/filing/0001104659-21-109547.txt

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