---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-25-001807"
form_type: "8-K"
ticker: null
cik: "0001621563"
company_name: "Summit Materials, Inc."
filed_at: "2025-02-10T23:59:59+00:00"
generated_at: "2026-05-27T00:03:02.424243+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Summit Materials completes acquisition by Quikrete Holdings for $52.50/share

## Summary
- Total enterprise value of approximately $11.5 billion, including debt.
- Summit's common stock ceased trading on NYSE; company becomes private subsidiary of Quikrete.
- All directors and officers resigned at effective time; new charter and bylaws adopted.
- Company redeemed outstanding 6.5% 2027, 5.25% 2029, and 7.25% 2031 senior notes.
- Funding via $3.95B senior secured notes, $1.5B unsecured notes, and cash on hand.

## SEC filing metadata
- accession: 0000950103-25-001807
- form_type: 8-K
- cik: 0001621563
- company_name: Summit Materials, Inc.
- filed_at: 2025-02-10T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1621563/000095010325001807/0000950103-25-001807-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1621563/000095010325001807/dp224739_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-25-001807
- JSON: https://secwatch.observer/filing/0000950103-25-001807.json
- Plain text: https://secwatch.observer/filing/0000950103-25-001807.txt

## Key facts
- Governance Changes
  Summit Materials, Inc.: Amended and restated bylaws effective at merger time.
  - Change: bylaw amendment
  source text: the bylaws of Merger Sub in effect at the Effective Time became the bylaws of the Company (except that references to the name of Merger Sub were replaced by reference to the name of the Company)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1621563/000095010325001807/0000950103-25-001807-index.htm
- Governance Changes
  Summit Materials, Inc.: Amended and restated certificate of incorporation effective at merger time.
  - Change: charter amendment
  source text: at the Effective Time, the certificate of incorporation of the Company was amended and restated and, as so amended and restated, shall be the certificate of incorporation of the Company until further amended
  evidence_url: https://www.sec.gov/Archives/edgar/data/1621563/000095010325001807/0000950103-25-001807-index.htm
- M&A Transactions
  Summit Materials, Inc. underwent a change of control involving Quikrete Holdings, Inc. for $52.50 per share in cash (closed 2025-02-10).
  - Action: change of control
  - Counterparty: Quikrete Holdings, Inc.
  - Consideration: $52.50 per share in cash
  - Closing: 2025-02-10
  source text: Common Shares as to which appraisal rights have been properly exercised in accordance with Delaware law), was canceled and retired and converted into the right to receive $52.50 per share in cash, without interest and subject to deduction for any required withholding (the “ Merger Consideration ”). Pursuant to the Merger Agreement, at the Effective Time,
  evidence_url: https://www.sec.gov/Archives/edgar/data/1621563/000095010325001807/0000950103-25-001807-index.htm

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