---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-042426"
form_type: "8-K"
ticker: "ROCK"
cik: "0000912562"
company_name: "GIBRALTAR INDUSTRIES, INC."
filed_at: "2025-11-17T23:59:59+00:00"
generated_at: "2026-05-16T19:35:34.621479+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Gibraltar to acquire OmniMax for $1.335B; expects accretion and synergies

## Summary
- Purchase price of $1.335B in cash for OmniMax, a roofing accessories maker with expected 2025 adj. EBITDA of $110M.
- Transaction financed with $1.3B in new term loans and upsized $500M revolver from Bank of America, Wells Fargo, KeyBanc.
- Expected to close in H1 2026, subject to regulatory approval and customary conditions; termination fee of $55M payable by Gibraltar.
- Cost synergies of $35M expected by end of 2028; cash tax benefits of ~$100M; effective EBITDA multiple of 8.4x.
- Post-close leverage of 3.7x expected to delever to 2.0-2.5x within 24 months; accretive to adjusted EPS in first full year.

## SEC filing metadata
- accession: 0001140361-25-042426
- form_type: 8-K
- ticker: ROCK
- cik: 0000912562
- company_name: GIBRALTAR INDUSTRIES, INC.
- filed_at: 2025-11-17T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/912562/000114036125042426/0001140361-25-042426-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/912562/000114036125042426/ef20059383_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-042426
- JSON: https://secwatch.observer/filing/0001140361-25-042426.json
- Plain text: https://secwatch.observer/filing/0001140361-25-042426.txt

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