DOCUMENT SEC SYS INC

CUSIP: 25614T200 Class: COM NEW

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2019
Shares 31,185 Value ($000) $12 Avg Close — Range —
Q2 2019
Shares 14,929 Value ($000) $7 Avg Close — Range —
Q1 2019
Shares 24,428 Value ($000) $32 Avg Close — Range —
Q4 2018
Shares 19,760 Value ($000) $14 Avg Close — Range —
Q3 2017
Shares 21,180 Value ($000) $18 Avg Close — Range —
Q2 2017
Shares 16,169 Value ($000) $12 Avg Close — Range —
Q4 2016
Shares 10,920 Value ($000) $7 Avg Close — Range —
Q3 2016
Shares 27,783 Value ($000) $18 Avg Close — Range —