GUIDANCE SOFTWARE INC

CUSIP: 401692108 Class: CMN

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q2 2017
Shares 274,680 Value ($000) $1,816 Avg Close — Range —
Q1 2017
Shares 274,680 Value ($000) $1,621 Avg Close — Range —
Q4 2016
Shares 284,680 Value ($000) $2,016 Avg Close — Range —
Q3 2016
Shares 290,880 Value ($000) $1,734 Avg Close — Range —
Q2 2016
Shares 290,880 Value ($000) $1,801 Avg Close — Range —
Q1 2016
Shares 295,087 Value ($000) $1,269 Avg Close — Range —
Q4 2015
Shares 301,380 Value ($000) $1,814 Avg Close — Range —
Q3 2015
Shares 305,380 Value ($000) $1,838 Avg Close — Range —
Q2 2015
Shares 305,380 Value ($000) $2,587 Avg Close — Range —
Q1 2015
Shares 307,780 Value ($000) $1,665 Avg Close — Range —
Q4 2014
Shares 366,080 Value ($000) $2,654 Avg Close — Range —
Q3 2014
Shares 423,375 Value ($000) $2,849 Avg Close — Range —
Q2 2014
Shares 408,313 Value ($000) $3,724 Avg Close — Range —
Q1 2014
Shares 383,413 Value ($000) $4,241 Avg Close — Range —
Q4 2013
Shares 350,513 Value ($000) $3,540 Avg Close — Range —
Q3 2013
Shares 300,575 Value ($000) $2,726 Avg Close — Range —
Q2 2013
Shares 266,125 Value ($000) $2,326 Avg Close — Range —