DUN & BRADSTREET CORP DEL NE

CUSIP: 26483E100 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2018
Shares 13,753 Value ($000) $1,963 Avg Close — Range —
Q3 2018
Shares 15,895 Value ($000) $2,265 Avg Close — Range —
Q2 2018
Shares 7,244 Value ($000) $888 Avg Close — Range —
Q2 2017
Shares 1,185 Value ($000) $128 Avg Close — Range —
Q1 2017
Shares 5,551 Value ($000) $599 Avg Close — Range —
Q4 2016
Shares 345 Value ($000) $41 Avg Close — Range —
Q3 2016
Shares 102 Value ($000) $13 Avg Close — Range —
Q2 2015
Shares 2,324 Value ($000) $283 Avg Close — Range —