U.S. AUTO PARTS NETWORK INC

CUSIP: 90343C100 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2018
Shares 1,843,622 Value ($000) $3,779 Avg Close — Range —
Q4 2017
Shares 1,877,106 Value ($000) $4,730 Avg Close — Range —
Q3 2017
Shares 2,481,033 Value ($000) $7,170 Avg Close — Range —
Q2 2017
Shares 2,367,745 Value ($000) $7,648 Avg Close — Range —
Q1 2017
Shares 2,143,636 Value ($000) $7,181 Avg Close — Range —
Q4 2016
Shares 2,301,701 Value ($000) $8,102 Avg Close — Range —
Q3 2016
Shares 2,341,186 Value ($000) $7,703 Avg Close — Range —
Q2 2016
Shares 2,311,233 Value ($000) $9,129 Avg Close — Range —
Q1 2016
Shares 2,945,312 Value ($000) $7,540 Avg Close — Range —
Q4 2015
Shares 2,823,992 Value ($000) $8,331 Avg Close — Range —
Q3 2015
Shares 2,788,166 Value ($000) $5,242 Avg Close — Range —