DOLBY LABORATORIES INC

CUSIP: 25659T907 Class: COM CL A

Columbia Asset Management's Holding History (CIK: 0001585047)

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

Q1 2019
Shares 2,375 Value ($000) $150 Avg Close — Range —
Q4 2018
Shares 2,875 Value ($000) $178 Avg Close — Range —
Q3 2018
Shares 3,375 Value ($000) $236 Avg Close — Range —
Q2 2018
Shares 4,375 Value ($000) $270 Avg Close — Range —
Q1 2018
Shares 6,225 Value ($000) $396 Avg Close — Range —
Q4 2017
Shares 5,725 Value ($000) $355 Avg Close — Range —