---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-048598"
form_type: "8-K"
ticker: null
cik: "0001091883"
company_name: "CIRCOR INTERNATIONAL INC"
filed_at: "2023-10-18T23:59:59+00:00"
generated_at: "2026-06-09T21:39:07.861868+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# KKR completes acquisition of CIRCOR for $56.00 per share; company goes private

## Summary
- Merger closed Oct 18, 2023; CIRCOR shareholders received $56.00 per share in cash.
- Total equity value of transaction approximately $1.2 billion; company becomes wholly owned subsidiary of KKR.
- Shares of CIRCOR common stock ceased trading on NYSE; delisting and deregistration pending.
- All previous directors resigned; Tony Najjar and Arjun Sharma appointed as directors of surviving corporation.
- New $650M term loan and $75M revolving credit facility entered into to finance the merger.

## SEC filing metadata
- accession: 0001140361-23-048598
- form_type: 8-K
- cik: 0001091883
- company_name: CIRCOR INTERNATIONAL INC
- filed_at: 2023-10-18T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/ef20012725_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-048598
- JSON: https://secwatch.observer/filing/0001140361-23-048598.json
- Plain text: https://secwatch.observer/filing/0001140361-23-048598.txt

## Key facts
- Executive change
  Tony Najjar departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Tina M. Donikowski departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Samuel R. Chapin departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Jill D. Smith departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Bruce M. Lisman departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Arjun Sharma was appointed as Director at CIRCOR INTERNATIONAL INC.
  - Action: appointed
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  John (Andy) O’Donnell departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Helmuth Ludwig departed as Director at CIRCOR INTERNATIONAL INC.
  - Action: ceased
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Executive change
  Tony Najjar was appointed as Director at CIRCOR INTERNATIONAL INC.
  - Action: appointed
  - Role: Director
  source text: Helmuth Ludwig, Samuel R. Chapin, Tina M. Donikowski, Bruce M. Lisman, Tony Najjar, John (Andy) O’Donnell and Jill D. Smith ceased to be directors on the Company’s board of directors or any committee thereof, and Tony Najjar and Arjun Sharma were appointed as directors of the Surviving Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Governance Changes
  CIRCOR INTERNATIONAL INC: Amended and restated bylaws in their entirety effective upon merger.
  - Change: bylaw amendment
  source text: effective as of the Effective Time, the amended and restated certificate of incorporation of the Company and the amended and restated bylaws of the Company, each as in effect immediately prior to the Effective Time were each amended and restated in their entirety
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- Governance Changes
  CIRCOR INTERNATIONAL INC: Amended and restated certificate of incorporation in its entirety effective upon merger.
  - Change: charter amendment
  source text: effective as of the Effective Time, the amended and restated certificate of incorporation of the Company and the amended and restated bylaws of the Company, each as in effect immediately prior to the Effective Time were each amended and restated in their entirety
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm
- M&A Transactions
  CIRCOR INTERNATIONAL INC underwent a change of control involving Kohlberg Kravis Roberts & Co. L.P. (KKR) (through affiliates Cube BidCo, Inc. and Cube Merger Sub, Inc.) for $56.00 per share in cash (closed 2023-10-18).
  - Action: change of control
  - Counterparty: Kohlberg Kravis Roberts & Co. L.P. (KKR) (through affiliates Cube BidCo, Inc. and Cube Merger Sub, Inc.)
  - Consideration: $56.00 per share in cash
  - Closing: 2023-10-18
  source text: in the Merger Agreement) (collectively, “ Excluded Shares ”) immediately prior to the Effective Time), was converted into the right to receive an amount in cash equal to $56.00, without interest (the “ Per Share Consideration ”), less any applicable withholding taxes; • each option to purchase shares of Company Common Stock (a “ Company Stock Option ”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091883/000114036123048598/0001140361-23-048598-index.htm

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