Key facts
- BlackRock, Inc. filed SCHEDULE 13G/A for GREAT LAKES DREDGE & DOCK CORPORATION Common Stock (GLDD).
- Disclosed ownership: 10%.
- Date of event: 28 Feb 2026.
BlackRock, Inc. - 28 Feb 2026 SCHEDULE 13G/A Report for GREAT LAKES DREDGE & DOCK CORPORATION Common Stock (GLDD)
- Filing Manager
- BlackRock, Inc.
- Reporting Manager
- BlackRock, Inc.
- Symbol
- GLDD
- Shares outstanding
- 67,018,110 shares
- Disclosed Ownership
- 6,701,811 shares
- Ownership
- 10%
- Form type
- SCHEDULE 13G/A
- Filing time
- 04 Mar 2026, 16:44:13 UTC
- Date of event
- 28 Feb 2026
- Previous filing
- 24 Apr 2025
- SEC
- View on sec.gov
Key filing fact
BlackRock, Inc. disclosed 10% ownership in GREAT LAKES DREDGE & DOCK CORPORATION Common Stock (GLDD) on 28 Feb 2026.
Change
- Previous schedule filing date: 24 Apr 2025.
- Current filing was accepted on 04 Mar 2026, 16:44.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (1)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | 6,701,811 | 6,585,493 | 0 | Spencer Fleming | Managing Director |
CIK / CUSIP context first