BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q3 2017
Shares 114,159 Value ($000) $371 Avg Close — Range —
Q2 2017
Shares 113,825 Value ($000) $973 Avg Close — Range —
Q1 2017
Shares 115,136 Value ($000) $1,030 Avg Close — Range —
Q4 2016
Shares 111,088 Value ($000) $1,694 Avg Close — Range —
Q3 2016
Shares 109,590 Value ($000) $1,523 Avg Close — Range —
Q2 2016
Shares 105,686 Value ($000) $1,382 Avg Close — Range —
Q1 2016
Shares 105,345 Value ($000) $1,419 Avg Close — Range —
Q4 2015
Shares 101,245 Value ($000) $965 Avg Close — Range —
Q3 2015
Shares 96,823 Value ($000) $1,427 Avg Close — Range —
Q2 2015
Shares 93,596 Value ($000) $1,872 Avg Close — Range —
Q1 2015
Shares 95,191 Value ($000) $1,993 Avg Close — Range —
Q4 2014
Shares 93,598 Value ($000) $2,237 Avg Close — Range —
Q3 2014
Shares 93,469 Value ($000) $2,180 Avg Close — Range —
Q2 2014
Shares 94,716 Value ($000) $2,220 Avg Close — Range —
Q1 2014
Shares 94,982 Value ($000) $2,312 Avg Close — Range —
Q4 2013
Shares 99,738 Value ($000) $2,972 Avg Close — Range —
Q3 2013
Shares 87,865 Value ($000) $2,692 Avg Close — Range —
Q2 2013
Shares 85,169 Value ($000) $2,156 Avg Close — Range —