ORION GROUP HOLDINGS INC

Ticker: ORN CUSIP: 68628V308 Class: Common Stock

CenterBook Partners LP's Holding History (CIK: 0001872738)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 720,561 Value ($000) $7,162 Avg Close $9.69 Range $8.08 - $11.90

Q3 2025

Shares 541,511 Value ($000) $4,505 Avg Close $7.88 Range $6.44 - $9.95

Q2 2025

Shares 426,525 Value ($000) $3,869 Avg Close $7.49 Range $4.64 - $9.42

Q1 2025

Shares 718,486 Value ($000) $3,758 Avg Close $7.00 Range $4.85 - $9.64

Q4 2024

Shares 640,586 Value ($000) $4,695 Avg Close $7.23 Range $5.27 - $9.35

Q2 2024

Shares 325,668 Value ($000) $3,097 Avg Close $8.84 Range $6.17 - $11.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	720,561	$7,162	$9.69	$8.08 - $11.90
Q3 2025	541,511	$4,505	$7.88	$6.44 - $9.95
Q2 2025	426,525	$3,869	$7.49	$4.64 - $9.42
Q1 2025	718,486	$3,758	$7.00	$4.85 - $9.64
Q4 2024	640,586	$4,695	$7.23	$5.27 - $9.35
Q2 2024	325,668	$3,097	$8.84	$6.17 - $11.00