PRECISION THERAPEUTICS INC

CUSIP: 74033P100 Class: COM

Virtu Financial LLC's Holding History (CIK: 0001533964)

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

Q4 2018
Shares 13,890 Value ($000) $9 Avg Close — Range —
Q3 2018
Shares 22,201 Value ($000) $24 Avg Close — Range —
Q1 2018
Shares 14,831 Value ($000) $16 Avg Close — Range —