---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-013889"
form_type: "8-K"
ticker: null
cik: "0001124941"
company_name: "BEACON ROOFING SUPPLY INC"
filed_at: "2025-01-28T23:59:59+00:00"
generated_at: "2026-05-27T07:56:25.040434+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Beacon adopts poison pill to block QXO's unsolicited tender offer

## Summary
- Rights Agreement adopted Jan 27; one Right per share to holders of record Feb 7, 2025.
- Rights trigger at 15% beneficial ownership (20% for passive investors).
- Exercise price $640; upon trigger, holders can buy stock at 50% discount.
- Board rejects QXO's offer as undervaluing; formal recommendation within 10 business days.
- Rights expire Jan 26, 2026 unless extended with stockholder approval.

## SEC filing metadata
- accession: 0001193125-25-013889
- form_type: 8-K
- cik: 0001124941
- company_name: BEACON ROOFING SUPPLY INC
- filed_at: 2025-01-28T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.03, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1124941/000119312525013889/0001193125-25-013889-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1124941/000119312525013889/d927327d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-013889
- JSON: https://secwatch.observer/filing/0001193125-25-013889.json
- Plain text: https://secwatch.observer/filing/0001193125-25-013889.txt

## Key facts
- Governance Changes
  BEACON ROOFING SUPPLY INC: Adoption of Certificate of Designation for Series A Junior Participating Preferred Stock in connection with a stockholder rights agreement (effective 2025-01-28).
  - Change: charter amendment
  - Effective: 2025-01-28
  source text: The Board approved a Certificate of Designation of Series A Junior Participating Preferred Stock, which designates the rights, preferences and privileges of 62,000 shares of a series of the Company’s preferred stock, par value $0.01 per share, designated as Series A Junior Participating Preferred Stock.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1124941/000119312525013889/0001193125-25-013889-index.htm

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