---
schema_version: "secwatch.filing_event.v1"
accession: "0000912562-21-000035"
form_type: "8-K"
ticker: "ROCK"
cik: "0000912562"
company_name: "GIBRALTAR INDUSTRIES, INC."
filed_at: "2021-10-27T23:59:59+00:00"
generated_at: "2026-06-28T17:47:29.579296+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Gibraltar Q3 revenue up 24.5% to $369M; GAAP EPS $0.84; CEO Bosway to become Chairman

## Summary
- Q3 revenue $369.4M (+24.5% YoY) with 3.9% organic, 20.6% from M&A; GAAP EPS $0.84 vs $0.95, Adj EPS $0.91 vs $0.98.
- Renewables revenue surged 85.5% to $130.2M including TerraSmart; backlog record $184M (+80%). Residential +13.1%; Agtech -15.5%.
- FY2021 guidance: revenue $1.31-1.35B, GAAP EPS $2.45-2.56, Adj EPS $2.95-3.06; Q4 adj EPS growth 21-39% expected.
- CEO Bill Bosway appointed Chairman effective Jan 1, 2022; Chairman Bill Montague to retire after 2022 annual meeting.
- Atlee Valentine Pope named Lead Independent Director effective Jan 1, 2022; board to reduce to 8 directors.

## SEC filing metadata
- accession: 0000912562-21-000035
- form_type: 8-K
- ticker: ROCK
- cik: 0000912562
- company_name: GIBRALTAR INDUSTRIES, INC.
- filed_at: 2021-10-27T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/912562/000091256221000035/0000912562-21-000035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/912562/000091256221000035/rock-20211027.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000912562-21-000035
- JSON: https://secwatch.observer/filing/0000912562-21-000035.json
- Plain text: https://secwatch.observer/filing/0000912562-21-000035.txt

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