DOLBY LABORATORIES INC

Ticker: DLB CUSIP: 25659T107 Class: Common Stock

CONTRAVISORY INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001365707)

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

Q4 2023

Shares 283 Value ($000) $24 Avg Close $80.91 Range $75.02 - $86.60

Q1 2019

Shares 2,067 Value ($000) $130 Avg Close $57.83 Range $53.69 - $60.43

Q4 2018

Shares 2,347 Value ($000) $145 Avg Close $60.76 Range $52.57 - $64.86

Q3 2018

Shares 2,197 Value ($000) $154 Avg Close $60.37 Range $54.64 - $64.93

Q2 2018

Shares 2,197 Value ($000) $136 Avg Close $57.13 Range $52.96 - $62.04

Q4 2017

Shares 31 Value ($000) $2 Avg Close $53.98 Range $50.40 - $56.65

Q3 2017

Shares 31 Value ($000) $2 Avg Close $46.70 Range $42.82 - $53.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	283	$24	$80.91	$75.02 - $86.60
Q1 2019	2,067	$130	$57.83	$53.69 - $60.43
Q4 2018	2,347	$145	$60.76	$52.57 - $64.86
Q3 2018	2,197	$154	$60.37	$54.64 - $64.93
Q2 2018	2,197	$136	$57.13	$52.96 - $62.04
Q4 2017	31	$2	$53.98	$50.40 - $56.65
Q3 2017	31	$2	$46.70	$42.82 - $53.33