---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-045567"
form_type: "8-K"
ticker: null
cik: "0001372020"
company_name: "Great Lakes Dredge & Dock CORP"
filed_at: "2026-02-11T23:59:59+00:00"
generated_at: "2026-05-16T03:15:11.219372+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Great Lakes Dredge to be acquired by Saltchuk Resources for $17.00 per share in all-cash deal; expected close Q2 2026

## Summary
- Saltchuk Resources to acquire GLDD via tender offer at $17.00 per share cash; no financing condition; expected close Q2 2026.
- Termination fee of ~$36.9M payable by GLDD under certain circumstances; board recommends shareholders tender shares.
- Named NEOs to receive transaction bonuses totaling ~$677k: Petterson $224k, Kornblau $132k, Gunsten $98k, Johanson $98k, Schiffer $124k.
- CEO Petterson, CFO Kornblau, and EVP Schiffer waived 'good reason' post-close; eligible for retention bonuses of $5.8M, $1.2M, $1.1M respectively.
- Board terminated equity plans; outstanding RSUs cashed out at $17.00; ESPP final purchase date accelerated.

## SEC filing metadata
- accession: 0001193125-26-045567
- form_type: 8-K
- cik: 0001372020
- company_name: Great Lakes Dredge & Dock CORP
- filed_at: 2026-02-11T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1372020/000119312526045567/0001193125-26-045567-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1372020/000119312526045567/d68610d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-045567
- JSON: https://secwatch.observer/filing/0001193125-26-045567.json
- Plain text: https://secwatch.observer/filing/0001193125-26-045567.txt

## Key facts
- Material Agreements
  Great Lakes Dredge & Dock CORP entered into Agreement and Plan of Merger with Saltchuk Resources, Inc. and Huron MergeCo., Inc. (effective 2026-02-10).
  - Action: entry
  - Agreement: merger
  - Counterparty: Saltchuk Resources, Inc. and Huron MergeCo., Inc.
  - Effective: 2026-02-10
  source text: On February 10, 2026, Great Lakes Dredge & Dock Corporation, a Delaware corporation (the “Company”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”), by and among the Company, Saltchuk Resources, Inc., a Washington corporation (“ Parent ”), and Huron MergeCo., Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“ Sub ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1372020/000119312526045567/0001193125-26-045567-index.htm

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