Will GLDD’s David J. Johanson receive any equity-related benefits upon retirement?

Yes. The company and David J. Johanson are expected to enter into a retirement agreement that provides continued vesting of his equity awards. This means his stock-based compensation will keep vesting after his retirement date instead of stopping immediately.

Great Lakes Dredge & Dock (GLDD) SVP David Johanson set to retire March 2026

Filing Impact

(High)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

Great Lakes Dredge & Dock Corporation reported that David J. Johanson, Senior Vice President, Project Acquisition and Operations, will retire effective March 27, 2026. He has held a key leadership role overseeing project acquisition and operations for the company.

The company and Mr. Johanson are expected to enter into a retirement agreement under which he will receive continued vesting of his equity awards. This indicates his existing stock-based compensation will continue to vest over time following his retirement, rather than ending immediately.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Understanding 8-K Material Events →

03/20/2026 - 05:29 PM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 17, 2026

Great Lakes Dredge & Dock Corporation

(Exact name of registrant as specified in its charter)


Delaware	001-33225 (Commission File Number)	20-5336063
(State or other jurisdiction of incorporation)		(I.R.S. Employer Identification No.)

9811 Katy Freeway, Suite 1200, Houston, TX		77024
(Address of principal executive offices)		(Zip Code)

(346) 359-1010

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock (Par Value $0.0001)	GLDD	Nasdaq Stock Market, LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Great Lakes Dredge & Dock Corporation (the “Company”) announced today that David J. Johanson, its Senior Vice President, Project Acquisition and Operations, will retire effective March 27, 2026. Mr. Johanson and the Company are expected to enter into a retirement agreement whereby Mr. Johanson will receive continued vesting of equity awards.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


GREAT LAKES DREDGE & DOCK CORPORATION


By:		/s/Vivienne R. Schiffer
		Vivienne R. Schiffer
		Senior Vice President, Chief Legal Officer, Chief Compliance Officer and Corporate Secretary

Date: March 20, 2026

Source: View Original Filing on SEC EDGAR

FAQ

What executive change did Great Lakes Dredge & Dock (GLDD) disclose in this 8-K?

Great Lakes Dredge & Dock announced that David J. Johanson, Senior Vice President, Project Acquisition and Operations, will retire effective March 27, 2026. He has been a key leader overseeing project acquisition and operations activities for the company.

When will GLDD executive David J. Johanson’s retirement become effective?

David J. Johanson’s retirement from Great Lakes Dredge & Dock will become effective on March 27, 2026. This date marks his planned departure from the role of Senior Vice President, Project Acquisition and Operations at the company.

What position does David J. Johanson hold at Great Lakes Dredge & Dock before retirement?

Before his announced retirement, David J. Johanson serves as Senior Vice President, Project Acquisition and Operations at Great Lakes Dredge & Dock. In this role, he oversees project acquisition efforts and operations execution for the company’s core dredging business.

Who signed the GLDD Form 8-K reporting David J. Johanson’s retirement?

The Form 8-K was signed on behalf of Great Lakes Dredge & Dock by Vivienne R. Schiffer. She serves as Senior Vice President, Chief Legal Officer, Chief Compliance Officer and Corporate Secretary, acting as the authorized signatory for the company.

Filing Exhibits & Attachments

1 document