AMERICAN DG ENERGY INC

CUSIP: 025398108 Class: CMN

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

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

Q1 2017
Shares 280,000 Value ($000) $85 Avg Close — Range —
Q4 2016
Shares 280,000 Value ($000) $78 Avg Close — Range —
Q3 2016
Shares 280,000 Value ($000) $74 Avg Close — Range —
Q2 2016
Shares 280,000 Value ($000) $65 Avg Close — Range —
Q1 2016
Shares 280,000 Value ($000) $92 Avg Close — Range —
Q4 2015
Shares 280,000 Value ($000) $93 Avg Close — Range —
Q3 2015
Shares 280,000 Value ($000) $99 Avg Close — Range —
Q2 2015
Shares 280,000 Value ($000) $112 Avg Close — Range —
Q1 2015
Shares 280,000 Value ($000) $134 Avg Close — Range —
Q4 2014
Shares 280,000 Value ($000) $168 Avg Close — Range —
Q3 2014
Shares 280,000 Value ($000) $322 Avg Close — Range —
Q2 2014
Shares 280,000 Value ($000) $504 Avg Close — Range —
Q1 2014
Shares 280,000 Value ($000) $557 Avg Close — Range —
Q4 2013
Shares 280,000 Value ($000) $476 Avg Close — Range —
Q3 2013
Shares 285,000 Value ($000) $447 Avg Close — Range —
Q2 2013
Shares 285,000 Value ($000) $373 Avg Close — Range —