BOYD GAMING CORP

Ticker: BYD CUSIP: 103304101 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 24,910 Value ($000) $2,128 Avg Close $82.27 Range $76.17 - $88.30

Q3 2025

Shares 31,251 Value ($000) $2,706 Avg Close $83.67 Range $77.77 - $87.46

Q2 2025

Shares 14,314 Value ($000) $1,123 Avg Close $70.97 Range $58.55 - $78.71

Q4 2017

Shares 3,439 Value ($000) $128 Avg Close $28.48 Range $23.93 - $33.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,910	$2,128	$82.27	$76.17 - $88.30
Q3 2025	31,251	$2,706	$83.67	$77.77 - $87.46
Q2 2025	14,314	$1,123	$70.97	$58.55 - $78.71
Q4 2017	3,439	$128	$28.48	$23.93 - $33.85