NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

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

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

Q1 2019
Shares 100 Value ($000) $0 Avg Close — Range —
Q3 2016
Shares 3,000 Value ($000) $2 Avg Close — Range —
Q4 2015
Shares 800 Value ($000) $1 Avg Close — Range —
Q2 2015
Shares 20,400 Value ($000) $32 Avg Close — Range —
Q4 2014
Shares 800 Value ($000) $2 Avg Close — Range —