DOCUMENT SEC SYS INC

CUSIP: 25614T200 Class: COM NEW

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

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

Q2 2019
Shares 29,574 Value ($000) $15 Avg Close — Range —
Q4 2018
Shares 13,375 Value ($000) $10 Avg Close — Range —
Q2 2018
Shares 27,276 Value ($000) $35 Avg Close — Range —
Q4 2017
Shares 36,416 Value ($000) $66 Avg Close — Range —