---
schema_version: "secwatch.filing_event.v1"
accession: "0001133421-22-000035"
form_type: "8-K"
ticker: "NOC"
cik: "0001133421"
company_name: "NORTHROP GRUMMAN CORP /DE/"
filed_at: "2022-09-22T23:59:59+00:00"
generated_at: "2026-06-23T07:55:34.309202+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Northrop Grumman elects Roshan Roeder as President of Defense Systems; Petryszyn to retire

## Summary
- Mary Petryszyn to retire as Corporate VP and President, Defense Systems, effective Jan 13, 2023.
- Roshan Roeder elected as successor, effective Oct 17, 2022; previously led Airborne Multifunction Sensors Division.
- Petryszyn will serve as Corporate VP from Oct 17, 2022, to support transition.
- Roeder has over 20 years at Northrop Grumman, leading multiple business units.

## SEC filing metadata
- accession: 0001133421-22-000035
- form_type: 8-K
- ticker: NOC
- cik: 0001133421
- company_name: NORTHROP GRUMMAN CORP /DE/
- filed_at: 2022-09-22T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1133421/000113342122000035/0001133421-22-000035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1133421/000113342122000035/noc-20220919.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001133421-22-000035
- JSON: https://secwatch.observer/filing/0001133421-22-000035.json
- Plain text: https://secwatch.observer/filing/0001133421-22-000035.txt

## Key facts
- Executive change
  Mary Petryszyn departed as Corporate Vice President and President, Defense Systems sector at NORTHROP GRUMMAN CORP /DE/.
  - Action: retire
  - Role: Corporate Vice President and President, Defense Systems sector
  source text: Mary Petryszyn, Corporate Vice President and President, Defense Systems sector, will retire from the Company effective January 13, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1133421/000113342122000035/0001133421-22-000035-index.htm
- Executive change
  Roshan S. Roeder was elected as Corporate Vice President and President, Defense Systems sector at NORTHROP GRUMMAN CORP /DE/.
  - Action: elected
  - Role: Corporate Vice President and President, Defense Systems sector
  source text: the Board of Directors elected Roshan S. Roeder, currently Vice President and General Manager, Airborne Multifunction Sensors Division in the Mission Systems sector, to serve as the Corporate Vice President and President, Defense Systems sector effective October 17, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1133421/000113342122000035/0001133421-22-000035-index.htm

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