Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Industrials · Aircraft Parts & Auxiliary Equipment, NEC

Boeing Co to acquire Spirit AeroSystems Holdings, Inc.

Announced Jul 1, 2024 · Closed Dec 8, 2025

Deal value$8.30BEV $8.30B
Premium30.0%To unaffected price
EV / Adj. EBITDA—1.3x EV / Revenue
ConsiderationAll stock$37.25 per share

Transaction

Acquirer
Boeing Co (BA)
Target
Spirit AeroSystems Holdings, Inc. (SPR)
Buyer type
Strategic
Offer price per share
$37.25
Enterprise value
$8.30B
Status
Closed Dec 8, 2025

Deal protections

Break fee (target pays)
$150M · 1.8%
Reverse fee (buyer pays)
$300M · 3.6%
Go-shop
No-shop
Financing
Committed · Morgan Stanley

Advisors

To the acquirer
PJT Partners
To the target
Moelis
Moelis fee
$3.8M

Sector context · Industrials

Comparable deals
80 in the prior 24 months
Premium
30.0% vs. 38.5% sector median
EV / Adj. EBITDA
Sector median 9.6x
Break fee
1.8% vs. 2.8% sector median

Timeline

  1. AnnouncedJul 1, 2024
  2. Proxy filedDec 20, 2024
  3. Definitive proxyDec 20, 2024
  4. Shareholder voteJan 31, 2025
  5. ClosedDec 8, 2025

Valuation · fairness opinions

Discounted cash flow$17.29$30.24
Trading comparables$21.98$32.60
Trading comparables$16.54$27.57
Offer $37.25

Implied value per Spirit AeroSystems Holdings, Inc. share by analysis, from Moelis.

Sources
  • 425 (EX-99.1) · Jul 1, 2024
  • 425 · Jul 1, 2024
  • 425 · Jul 1, 2024
  • 425 · Jul 1, 2024
  • 425 · Jul 3, 2024
  • 8-K (EX-99.1) · Dec 8, 2025

Adj. EBITDA is operating income + D&A + impairment, restructuring, deal costs and stock compensation, less any large gain on a sale, last twelve months, from the target's filings. Calculated by Castle, so it can differ from a bank's adjusted figure.

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.