COMMUNICATIONS SYS INC

CUSIP: 203900105 Class: CMN

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q3 2013
Shares 11,613 Value ($000) $131 Avg Close — Range —
Q2 2013
Shares 24,300 Value ($000) $234 Avg Close — Range —