# EDGAR Filing Document

**Accession Number:** 0001402829
**File Stem:** 0001402829-26-000027
**Filing Date:** 2026-4
**Character Count:** 1293
**Document Hash:** 66bffcdfd0f7baef6fe29cbbc7e895ff
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001402829-26-000027.hdr.sgml**: 20260401

**ACCESSION NUMBER**: 0001402829-26-000027

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260401

**DATE AS OF CHANGE**: 20260401

**EFFECTIVENESS DATE**: 20260401

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Orion Group Holdings Inc
- **CENTRAL INDEX KEY:** 0001402829
- **STANDARD INDUSTRIAL CLASSIFICATION:** HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 260097459
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33891
- **FILM NUMBER:** 26824723

**BUSINESS ADDRESS:**
- **STREET 1:** 2940 RIVERBY ROAD
- **STREET 2:** SUITE 400
- **CITY:** Houston
- **STATE:** TX
- **ZIP:** 77020
- **BUSINESS PHONE:** 713-852-6500

**MAIL ADDRESS:**
- **STREET 1:** 2940 RIVERBY ROAD
- **STREET 2:** SUITE 400
- **CITY:** Houston
- **STATE:** TX
- **ZIP:** 77020

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Orion Marine Group Inc
- **DATE OF NAME CHANGE:** 20070612

### Attached PDF Documents

**Attachment 1:** `orn-20251231xars.pdf`

_No text found in this document._