$ Value
—
Shares
8,436
Price
—
Filed
Apr 1
Insider
Name
Armstrong Dana A
Title
—
CIK
0001907154
Roles
Transaction Details
Transaction Date
2026-04-01
Code
U
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
—
Footnotes
Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated February 10, 2026, by and among Saltchuk Resources, Inc. ("Parent"), Huron MergeCo, Inc. ("Merger Sub"), and Great Lakes Dredge & Dock Corporation ("Issuer") on April 1, 2026 (the "Effective Time"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer was cancelled and converted into the right to receive $17.00 in cash, without interest and subject to any required tax withholdings.
Filing Info
Armstrong Dana A's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-01 | GLDD | U | — |
| 2026-03-31 | EE | F | $66K |
| 2026-03-05 | EE | F | $208K |
| 2026-03-05 | EE | A | $0 |
| 2026-02-18 | EE | A | $0 |
| 2026-02-18 | EE | F | $265K |
| 2025-12-31 | GLDD | A | $0 |
| 2025-09-30 | GLDD | A | $0 |
| 2025-06-30 | GLDD | A | $0 |
| 2025-03-31 | GLDD | A | $0 |
Other Insiders at GLDD (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| DICKERSON LAWRENCE R | — | — | 2026-04-01 |
| Shanahan Kathleen M | — | — | 2026-04-01 |
|
Petterson Lasse
CEO & President
|
— | — | 2026-04-01 |
| Steger Ronald | — | — | 2026-04-01 |
| Shipp Earl L | — | — | 2026-04-01 |
|
Kornblau Scott Lee
SVP & CFO
|
— | — | 2026-04-01 |
|
HANSON WILLIAM H
SVP, Market Development
|
— | — | 2026-04-01 |
|
Schiffer Vivienne
SVP, CLO, CCO & Corp Secretary
|
— | — | 2026-04-01 |
|
BEYKO ELENI
SVP - Offshore Energy
|
— | — | 2026-04-01 |
|
GUNSTEN CHRISTOPHER
SVP-Proj Svcs & Fleet Engineer
|
— | — | 2026-04-01 |
|
JOHANSON DAVID
SVP-Project Acquisition & Ops
|
— | — | 2026-04-01 |
|
BAYER RYAN
VP & CAO
|
— | — | 2026-04-01 |