MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2016
Shares 318,201 Value ($000) $11,738 Avg Close — Range —
Q3 2016
Shares 963,922 Value ($000) $25,486 Avg Close — Range —
Q2 2016
Shares 1,207,773 Value ($000) $25,677 Avg Close — Range —
Q1 2016
Shares 1,335,767 Value ($000) $27,156 Avg Close — Range —
Q4 2015
Shares 1,673,105 Value ($000) $30,819 Avg Close — Range —
Q3 2015
Shares 1,826,896 Value ($000) $44,996 Avg Close — Range —
Q2 2015
Shares 1,917,942 Value ($000) $50,691 Avg Close — Range —
Q1 2015
Shares 1,931,581 Value ($000) $46,416 Avg Close — Range —
Q4 2014
Shares 2,021,490 Value ($000) $44,311 Avg Close — Range —
Q3 2014
Shares 1,894,980 Value ($000) $38,838 Avg Close — Range —
Q2 2014
Shares 1,816,062 Value ($000) $39,172 Avg Close — Range —
Q1 2014
Shares 1,261,636 Value ($000) $27,781 Avg Close — Range —
Q4 2013
Shares 1,102,109 Value ($000) $26,528 Avg Close — Range —
Q3 2013
Shares 962,509 Value ($000) $22,494 Avg Close — Range —
Q2 2013
Shares 705,274 Value ($000) $13,788 Avg Close — Range —