Austin J. Shanfelter - 10 Mar 2026 Form 4 Insider Report for Orion Group Holdings Inc (ORN)

Role: Director
Signature: /s/ E. Chipman Earle, Attorney-in-Fact
Issuer symbol: ORN
Transactions as of: 10 Mar 2026
Net transactions value: -$1,095,417
Form type: 4
Filing time: 10 Mar 2026, 17:42:42 UTC
Previous filing: 10 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SHANFELTER AUSTIN J	Director	2940 RIVERBY ROAD, SUITE 400, HOUSTON	/s/ E. Chipman Earle, Attorney-in-Fact	10 Mar 2026	0001221430

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ORN	Common Stock	Sale	$1,095,417	-90,000	-21%	$12.17	329,215	10 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $11.93 per share to $12.385 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $11.93 per share to $12.385 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.