INSIGNIA SYS INC

CUSIP: 45765Y105 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2020
Shares 500 Value ($000) $0 Avg Close — Range —
Q4 2019
Shares 100 Value ($000) $0 Avg Close — Range —