NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2018
Shares 816 Value ($000) $0 Avg Close — Range —
Q1 2018
Shares 816 Value ($000) $0 Avg Close — Range —
Q4 2017
Shares 15,562 Value ($000) $6 Avg Close — Range —
Q3 2017
Shares 15,562 Value ($000) $6 Avg Close — Range —
Q2 2017
Shares 24,351 Value ($000) $12 Avg Close — Range —
Q1 2017
Shares 8,096 Value ($000) $5 Avg Close — Range —
Q1 2016
Shares 21,358 Value ($000) $20 Avg Close — Range —
Q3 2015
Shares 131,724 Value ($000) $300 Avg Close — Range —
Q2 2015
Shares 20,444 Value ($000) $33 Avg Close — Range —
Q1 2015
Shares 48,145 Value ($000) $77 Avg Close — Range —
Q4 2014
Shares 129,776 Value ($000) $245 Avg Close — Range —
Q3 2014
Shares 102,079 Value ($000) $135 Avg Close — Range —
Q2 2014
Shares 147,441 Value ($000) $218 Avg Close — Range —
Q1 2014
Shares 171,493 Value ($000) $317 Avg Close — Range —
Q4 2013
Shares 93,358 Value ($000) $193 Avg Close — Range —
Q2 2013
Shares 24,922 Value ($000) $67 Avg Close — Range —