---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-003457"
form_type: "8-K"
ticker: null
cik: "0001372020"
company_name: "Great Lakes Dredge & Dock CORP"
filed_at: "2025-01-08T23:59:59+00:00"
generated_at: "2026-05-28T06:25:08.146923+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Great Lakes Dredge & Dock elects Dana Armstrong to board, expanding to seven members

## Summary
- Dana Armstrong elected as independent director effective January 5, 2025; board size increased from 6 to 7.
- Armstrong has been EVP and CFO of Excelerate Energy (NYSE:EE) since 2020, and previously CFO at Scientific Drilling and VP/Treasurer at Ion Geophysical.
- She will receive standard non-employee director compensation: $160,000 annual retainer, 50% cash and 50% fully vested stock.
- No arrangements, understandings, or reportable related-party transactions exist between Armstrong or her family and the company.

## SEC filing metadata
- accession: 0000950170-25-003457
- form_type: 8-K
- cik: 0001372020
- company_name: Great Lakes Dredge & Dock CORP
- filed_at: 2025-01-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1372020/000095017025003457/0000950170-25-003457-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1372020/000095017025003457/gldd-20250105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-003457
- JSON: https://secwatch.observer/filing/0000950170-25-003457.json
- Plain text: https://secwatch.observer/filing/0000950170-25-003457.txt

## Key facts
- Executive change
  Dana Armstrong was elected as Director at Great Lakes Dredge & Dock CORP.
  - Action: elected
  - Role: Director
  source text: On January 5, 2025, the Board elected Dana Armstrong as a director, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1372020/000095017025003457/0000950170-25-003457-index.htm

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