MITCHAM INDS INC

CUSIP: 606501104 Class: COM

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

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

Q3 2014
Shares 692,829 Value ($000) $7,656 Avg Close — Range —
Q2 2014
Shares 1,250,161 Value ($000) $17,477 Avg Close — Range —
Q1 2014
Shares 1,413,299 Value ($000) $19,702 Avg Close — Range —
Q4 2013
Shares 1,405,299 Value ($000) $24,888 Avg Close — Range —
Q3 2013
Shares 1,417,799 Value ($000) $21,678 Avg Close — Range —
Q2 2013
Shares 1,419,115 Value ($000) $23,813 Avg Close — Range —