DOCUMENT SEC SYS INC

CUSIP: 25614T309 Class: COM NEW

Schonfeld Strategic Advisors LLC's Holding History (CIK: 0001665241)

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

Q1 2021
Shares 45,300 Value ($000) $163 Avg Close — Range —
Q4 2020
Shares 14,800 Value ($000) $92 Avg Close — Range —