---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-228379"
form_type: "8-K"
ticker: "J"
cik: "0000052988"
company_name: "JACOBS SOLUTIONS INC."
filed_at: "2024-09-30T23:59:59+00:00"
generated_at: "2026-05-31T00:59:27.308289+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Jacobs completes spin-off and merger of CMS/C&I with Amentum, forming Amentum Holdings (AMTM)

## Summary
- Jacobs distributed 124M shares of SpinCo (AMTM) to shareholders; Jacobs holds ~7.5%, shareholders ~51%, Amentum ~37%.
- Jacobs received ~$0.9B cash from SpinCo; proceeds to be used for debt repayment or share buybacks within 12 months.
- Pro forma FY2023 revenue from continuing ops $10.8B (vs historical $16.4B); net income $422M (vs $667M).
- Five directors and EVP Stephen Arnette resigned to join SpinCo board/management.

## SEC filing metadata
- accession: 0001193125-24-228379
- form_type: 8-K
- ticker: J
- cik: 0000052988
- company_name: JACOBS SOLUTIONS INC.
- filed_at: 2024-09-30T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 2.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/d23970d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-228379
- JSON: https://secwatch.observer/filing/0001193125-24-228379.json
- Plain text: https://secwatch.observer/filing/0001193125-24-228379.txt

## Key facts
- Executive change
  Stephen A. Arnette resigned as Executive Vice President and President of the Critical Mission Solutions Business at JACOBS SOLUTIONS INC..
  - Action: resigned
  - Role: Executive Vice President and President of the Critical Mission Solutions Business
  source text: Additionally, effective as of September 27, 2024, Stephen A. Arnette resigned his position of Executive Vice President and President of the Critical Mission Solutions Business with Jacobs, to become the Chief Operating Officer of SpinCo.
  evidence_url: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm
- Executive change
  Christopher M.T. Thompson resigned as Director at JACOBS SOLUTIONS INC..
  - Action: resigned
  - Role: Director
  source text: each of Steven J. Demetriou, General Vincent K. Brooks, General Ralph E. Eberhart, Barbara L. Loughran and Christopher M.T. Thompson resigned as directors of Jacobs to join the board of directors of SpinCo.
  evidence_url: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm
- Executive change
  General Ralph E. Eberhart resigned as Director at JACOBS SOLUTIONS INC..
  - Action: resigned
  - Role: Director
  source text: each of Steven J. Demetriou, General Vincent K. Brooks, General Ralph E. Eberhart, Barbara L. Loughran and Christopher M.T. Thompson resigned as directors of Jacobs to join the board of directors of SpinCo.
  evidence_url: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm
- Executive change
  Barbara L. Loughran resigned as Director at JACOBS SOLUTIONS INC..
  - Action: resigned
  - Role: Director
  source text: each of Steven J. Demetriou, General Vincent K. Brooks, General Ralph E. Eberhart, Barbara L. Loughran and Christopher M.T. Thompson resigned as directors of Jacobs to join the board of directors of SpinCo.
  evidence_url: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm
- Executive change
  General Vincent K. Brooks resigned as Director at JACOBS SOLUTIONS INC..
  - Action: resigned
  - Role: Director
  source text: each of Steven J. Demetriou, General Vincent K. Brooks, General Ralph E. Eberhart, Barbara L. Loughran and Christopher M.T. Thompson resigned as directors of Jacobs to join the board of directors of SpinCo.
  evidence_url: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm
- Executive change
  Steven J. Demetriou resigned as Director at JACOBS SOLUTIONS INC..
  - Action: resigned
  - Role: Director
  source text: each of Steven J. Demetriou, General Vincent K. Brooks, General Ralph E. Eberhart, Barbara L. Loughran and Christopher M.T. Thompson resigned as directors of Jacobs to join the board of directors of SpinCo.
  evidence_url: https://www.sec.gov/Archives/edgar/data/52988/000119312524228379/0001193125-24-228379-index.htm

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