---
schema_version: "secwatch.filing_event.v1"
accession: "0000912562-22-000047"
form_type: "8-K"
ticker: "ROCK"
cik: "0000912562"
company_name: "GIBRALTAR INDUSTRIES, INC."
filed_at: "2022-12-09T23:59:59+00:00"
generated_at: "2026-06-21T07:13:18.904814+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Gibraltar amends bylaws, updates stockholder nomination deadlines for 2023 annual meeting

## Summary
- Advance notice period for director nominations changed to 90-120 days before anniversary of prior annual meeting.
- Bylaws amended to comply with Rule 14a-19 universal proxy rules, requiring additional disclosures from nominating stockholders.
- For 2023 annual meeting, Rule 14a-8 proposals deadline is Dec 2, 2022; advance notice window Jan 4 - Feb 3, 2023.

## SEC filing metadata
- accession: 0000912562-22-000047
- form_type: 8-K
- ticker: ROCK
- cik: 0000912562
- company_name: GIBRALTAR INDUSTRIES, INC.
- filed_at: 2022-12-09T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/912562/000091256222000047/0000912562-22-000047-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/912562/000091256222000047/rock-20221209.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000912562-22-000047
- JSON: https://secwatch.observer/filing/0000912562-22-000047.json
- Plain text: https://secwatch.observer/filing/0000912562-22-000047.txt

## Key facts
- Governance Changes
  GIBRALTAR INDUSTRIES, INC.: The Board adopted the Second Amended and Restated By-Laws, updating stockholder meeting procedures, director nomination and proposal requirements, universal proxy rules, and other governance provisions (effective 2022-12-07).
  - Change: bylaw amendment
  - Effective: 2022-12-07
  source text: On December 7, 2022, in connection with the effectiveness of Rule 14a-19 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), regarding universal proxy cards ( “Rule 14a-19”), certain changes to the General Corporation Law of the State of Delaware (the “DGCL”) and a review of the Amended and Restated By-Laws of Gibraltar Industries, Inc. (the “Company”), the Company’s board of directors (the “Board”) adopted the Second Amended and Restated By-Laws of the Company (as so amended and restated, the “Second Amended and Restated By-Laws”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/912562/000091256222000047/0000912562-22-000047-index.htm

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