DOCUMENT SEC SYS INC

CUSIP: 25614T200 Class: COM NEW

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q1 2020
Shares 32,543 Value ($000) $6 Avg Close — Range —
Q1 2018
Shares 27,007 Value ($000) $36 Avg Close — Range —
Q4 2017
Shares 45,808 Value ($000) $82 Avg Close — Range —