IRON MTN INC

CUSIP: 462846106 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2014
Shares 1,344,631 Value ($000) $51,984 Avg Close — Range —
Q3 2014
Shares 1,248,582 Value ($000) $40,766 Avg Close — Range —
Q2 2014
Shares 1,241,832 Value ($000) $44,023 Avg Close — Range —
Q1 2014
Shares 1,266,452 Value ($000) $34,917 Avg Close — Range —
Q4 2013
Shares 1,265,043 Value ($000) $38,394 Avg Close — Range —
Q3 2013
Shares 1,242,763 Value ($000) $33,580 Avg Close — Range —
Q2 2013
Shares 1,107,526 Value ($000) $29,472 Avg Close — Range —