OPGEN INC

CUSIP: 68373L109 Class: COM

B. Riley Wealth Advisors, Inc.'s Holding History (CIK: 0001464811)

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

Q4 2017
Shares 17,900 Value ($000) $4 Avg Close — Range —
Q3 2017
Shares 27,900 Value ($000) $9 Avg Close — Range —
Q2 2017
Shares 26,400 Value ($000) $17 Avg Close — Range —
Q1 2017
Shares 26,500 Value ($000) $31 Avg Close — Range —
Q4 2016
Shares 25,500 Value ($000) $30 Avg Close — Range —
Q3 2016
Shares 50,500 Value ($000) $42 Avg Close — Range —
Q2 2016
Shares 50,500 Value ($000) $39 Avg Close — Range —
Q1 2016
Shares 25,500 Value ($000) $1 Avg Close — Range —
Q4 2015
Shares 50,500 Value ($000) $97 Avg Close — Range —
Q3 2015
Shares 25,500 Value ($000) $66 Avg Close — Range —