---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-055825"
form_type: "8-K"
ticker: "BA"
cik: "0000012927"
company_name: "BOEING CO"
filed_at: "2025-12-08T23:59:59+00:00"
generated_at: "2026-05-16T13:55:50.741574+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Boeing completes acquisition of Spirit AeroSystems, integrating commercial operations and establishing Spirit Defense

## Summary
- Deal includes all Boeing-related commercial operations: fuselages for 737, 767, 777, 787; also P-8 and KC-46 fuselages.
- Approximately 15,000 teammates across Wichita, Dallas, Tulsa, and Prestwick join Boeing; Belfast site becomes Short Brothers subsidiary.
- Spirit Defense established as independent non-integrated subsidiary of Boeing Defense, Space & Security to ensure continuity for defense programs.
- Boeing brings in its largest spare parts supplier and expands MRO services, rotable, lease, and exchange portfolio.

## SEC filing metadata
- accession: 0001628280-25-055825
- form_type: 8-K
- ticker: BA
- cik: 0000012927
- company_name: BOEING CO
- filed_at: 2025-12-08T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/12927/000162828025055825/0001628280-25-055825-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/12927/000162828025055825/ba-20251208.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-055825
- JSON: https://secwatch.observer/filing/0001628280-25-055825.json
- Plain text: https://secwatch.observer/filing/0001628280-25-055825.txt

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