---
schema_version: "secwatch.filing_event.v1"
accession: "0000746838-23-000013"
form_type: "8-K"
ticker: "UIS"
cik: "0000746838"
company_name: "UNISYS CORP"
filed_at: "2023-04-07T23:59:59+00:00"
generated_at: "2026-06-17T04:48:38.400129+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Unisys CAO Erin Mannix to depart May 5; William Reinheimer named interim principal accounting officer

## Summary
- Erin Mannix, VP, Chief Accounting Officer and Corporate Controller, leaving effective May 5, 2023.
- William M. Reinheimer, age 74, to serve as interim principal accounting officer until successor named.
- Reinheimer held same interim role from Oct 2007–Feb 2008 and Feb 2015–Dec 2015.
- Reinheimer currently serves as VP and assistant corporate controller at Unisys.

## SEC filing metadata
- accession: 0000746838-23-000013
- form_type: 8-K
- ticker: UIS
- cik: 0000746838
- company_name: UNISYS CORP
- filed_at: 2023-04-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/746838/000074683823000013/0000746838-23-000013-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/746838/000074683823000013/uis-20230403.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000746838-23-000013
- JSON: https://secwatch.observer/filing/0000746838-23-000013.json
- Plain text: https://secwatch.observer/filing/0000746838-23-000013.txt

## Key facts
- Executive change
  Erin Mannix departed as Vice President, Chief Accounting Officer and Corporate Controller and principal accounting officer at UNISYS CORP.
  - Action: will be leaving
  - Role: Vice President, Chief Accounting Officer and Corporate Controller and principal accounting officer
  source text: Erin Mannix, Unisys Corporation's Vice President, Chief Accounting Officer and Corporate Controller and principal accounting officer, will be leaving the company effective May 5, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/746838/000074683823000013/0000746838-23-000013-index.htm
- Executive change
  William M. Reinheimer was appointed as principal accounting officer at UNISYS CORP.
  - Action: will serve as
  - Role: principal accounting officer
  source text: Immediately following Ms. Mannix’s departure, William M. Reinheimer will serve as the company's principal accounting officer until a successor for Ms. Mannix is named.
  evidence_url: https://www.sec.gov/Archives/edgar/data/746838/000074683823000013/0000746838-23-000013-index.htm

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