GLDD SVP granted 13,988 restricted stock units

JOHANSON DAVID reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 02/25/2026 - 04:44 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

JOHANSON DAVID reported acquisition or exercise transactions in this Form 4 filing.

Great Lakes Dredge & Dock senior vice president David Johanson received an equity grant of 13,988 shares of common stock in the form of restricted stock units. These units will vest in three equal annual installments beginning on February 23, 2027, increasing his direct holdings to 105,951.2594 shares after the award.

Insider Trade Summary

Grant/Award: 13,988 shares

Grant/Award 1 txn

Insider JOHANSON DAVID

Role SVP-Project Acquisition & Ops

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	13,988	$0.00	$0.00

Holdings After Transaction: Common Stock — 105,951.2594 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units that vest in three equal annual installments beginning on February 23, 2027.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did GLDD executive David Johanson report on this Form 4?

David Johanson reported receiving a grant of 13,988 restricted stock units of Great Lakes Dredge & Dock common stock. The award is a form of equity compensation, increasing his direct holdings to 105,951.2594 shares after the transaction was recorded.

How many GLDD shares does David Johanson hold after this equity award?

After the reported grant, David Johanson directly holds 105,951.2594 shares of Great Lakes Dredge & Dock common stock. This total includes the newly granted 13,988 restricted stock units, which are subject to time-based vesting conditions over several years.

What type of GLDD securities did David Johanson receive in this Form 4 filing?

He received restricted stock units tied to Great Lakes Dredge & Dock common stock. These RSUs represent a right to receive shares in the future, subject to vesting conditions, rather than an immediate cash purchase or open-market acquisition of stock.

When do David Johanson’s GLDD restricted stock units start vesting?

The restricted stock units begin vesting on February 23, 2027. They vest in three equal annual installments starting on that date, meaning the full award will become vested over a three-year period, assuming continued satisfaction of the vesting conditions.

Was there a purchase price for the GLDD shares granted to David Johanson?

The reported transaction shows a price of $0.0000 per share, indicating it was an equity award rather than a cash purchase. This structure is typical for restricted stock unit grants used as part of long-term executive compensation packages.

What role does David Johanson hold at Great Lakes Dredge & Dock (GLDD)?

David Johanson serves as Senior Vice President, Project Acquisition & Operations at Great Lakes Dredge & Dock. The reported restricted stock unit grant aligns his compensation with company performance by tying part of his pay to future stock value.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

JOHANSON DAVID

(Last) (First) (Middle)

C/O GREAT LAKES DREDGE & DOCK CORP.

9811 KATY FREEWAY, SUITE 1200

(Street)

HOUSTON TX 77024

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Great Lakes Dredge & Dock CORP [ GLDD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP-Project Acquisition & Ops

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/23/2026		A		13,988	A	(1)	105,951.2594	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units that vest in three equal annual installments beginning on February 23, 2027.

	/s/Vivienne R. Schiffer, by Power of Attorney	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.