IRON MTN INC

CUSIP: 462846106 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2013
Shares 323,990 Value ($000) $9,833 Avg Close — Range —
Q3 2013
Shares 306,175 Value ($000) $8,273 Avg Close — Range —
Q2 2013
Shares 288,175 Value ($000) $7,668 Avg Close — Range —