K12 INC

CUSIP: 48273U102 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2013
Shares 730,829 Value ($000) $15,896 Avg Close — Range —
Q3 2013
Shares 761,542 Value ($000) $23,516 Avg Close — Range —
Q2 2013
Shares 1,522,942 Value ($000) $40,008 Avg Close — Range —