DOLBY LABORATORIES INC

Ticker: DLB CUSIP: 25659T107 Class: Common Stock

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q3 2025

Shares 4,288 Value ($000) $310 Avg Close $72.58 Range $68.17 - $75.82

Q1 2025

Shares 3,067 Value ($000) $246 Avg Close $79.86 Range $73.65 - $87.57

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	4,288	$310	$72.58	$68.17 - $75.82
Q1 2025	3,067	$246	$79.86	$73.65 - $87.57