DOLBY LABORATORIES INC

Ticker: DLB CUSIP: 25659T107 Class: Common Stock

Zullo Investment Group, Inc.'s Holding History (CIK: 0001909760)

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

Q4 2022

Shares 326 Value ($000) $23 Avg Close $65.23 Range $58.17 - $72.83

Q3 2022

Shares 326 Value ($000) $21 Avg Close $70.16 Range $61.47 - $76.24

Q2 2022

Shares 367 Value ($000) $26 Avg Close $71.15 Range $65.54 - $74.94

Q1 2022

Shares 376 Value ($000) $29 Avg Close $75.38 Range $64.96 - $90.64

Q4 2021

Shares 410 Value ($000) $39 Avg Close $83.62 Range $77.77 - $90.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	326	$23	$65.23	$58.17 - $72.83
Q3 2022	326	$21	$70.16	$61.47 - $76.24
Q2 2022	367	$26	$71.15	$65.54 - $74.94
Q1 2022	376	$29	$75.38	$64.96 - $90.64
Q4 2021	410	$39	$83.62	$77.77 - $90.31