MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

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

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

Q3 2016
Shares 137,207 Value ($000) $3,627 Avg Close — Range —
Q2 2016
Shares 133,689 Value ($000) $2,842 Avg Close — Range —
Q1 2016
Shares 106,425 Value ($000) $2,164 Avg Close — Range —
Q4 2015
Shares 61,304 Value ($000) $1,129 Avg Close — Range —
Q3 2015
Shares 59,807 Value ($000) $1,474 Avg Close — Range —
Q2 2015
Shares 59,807 Value ($000) $1,580 Avg Close — Range —
Q1 2015
Shares 59,807 Value ($000) $1,437 Avg Close — Range —
Q4 2014
Shares 60,645 Value ($000) $1,330 Avg Close — Range —
Q3 2014
Shares 22,000 Value ($000) $451 Avg Close — Range —
Q2 2014
Shares 22,000 Value ($000) $475 Avg Close — Range —
Q1 2014
Shares 210,800 Value ($000) $4,642 Avg Close — Range —
Q4 2013
Shares 118,200 Value ($000) $2,845 Avg Close — Range —
Q3 2013
Shares 96,200 Value ($000) $2,248 Avg Close — Range —