GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

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

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

Q1 2018
Shares 459,302 Value ($000) $14,601 Avg Close — Range —
Q4 2017
Shares 569,101 Value ($000) $18,348 Avg Close — Range —
Q3 2017
Shares 578,447 Value ($000) $17,527 Avg Close — Range —
Q2 2017
Shares 638,779 Value ($000) $18,703 Avg Close — Range —
Q1 2017
Shares 949,141 Value ($000) $27,734 Avg Close — Range —
Q4 2016
Shares 593,071 Value ($000) $16,220 Avg Close — Range —
Q3 2016
Shares 1,059,936 Value ($000) $28,926 Avg Close — Range —
Q2 2016
Shares 328,126 Value ($000) $9,975 Avg Close — Range —
Q1 2016
Shares 3,422,932 Value ($000) $110,390 Avg Close — Range —
Q4 2015
Shares 4,439,919 Value ($000) $121,254 Avg Close — Range —
Q3 2015
Shares 5,298,576 Value ($000) $143,168 Avg Close — Range —
Q2 2015
Shares 5,403,075 Value ($000) $130,538 Avg Close — Range —
Q1 2015
Shares 4,911,012 Value ($000) $131,026 Avg Close — Range —
Q4 2014
Shares 5,155,293 Value ($000) $146,462 Avg Close — Range —
Q3 2014
Shares 5,715,658 Value ($000) $138,147 Avg Close — Range —
Q2 2014
Shares 6,256,678 Value ($000) $168,117 Avg Close — Range —
Q1 2014
Shares 5,915,691 Value ($000) $159,960 Avg Close — Range —
Q4 2013
Shares 6,439,463 Value ($000) $156,093 Avg Close — Range —
Q3 2013
Shares 6,983,752 Value ($000) $155,039 Avg Close — Range —
Q2 2013
Shares 6,584,093 Value ($000) $148,405 Avg Close — Range —