AIR METHODS CORP

CUSIP: 009128307 Class: COM PAR $.06

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2017
Shares 260,416 Value ($000) $11,198 Avg Close — Range —
Q4 2016
Shares 251,444 Value ($000) $8,009 Avg Close — Range —
Q3 2016
Shares 259,174 Value ($000) $8,161 Avg Close — Range —
Q2 2016
Shares 253,910 Value ($000) $9,097 Avg Close — Range —
Q1 2016
Shares 244,486 Value ($000) $8,855 Avg Close — Range —
Q4 2015
Shares 241,043 Value ($000) $10,107 Avg Close — Range —
Q3 2015
Shares 234,310 Value ($000) $7,987 Avg Close — Range —
Q2 2015
Shares 225,664 Value ($000) $9,329 Avg Close — Range —
Q1 2015
Shares 228,534 Value ($000) $10,648 Avg Close — Range —
Q4 2014
Shares 223,336 Value ($000) $9,833 Avg Close — Range —
Q3 2014
Shares 222,527 Value ($000) $12,362 Avg Close — Range —
Q2 2014
Shares 222,683 Value ($000) $11,502 Avg Close — Range —
Q1 2014
Shares 225,537 Value ($000) $12,050 Avg Close — Range —
Q4 2013
Shares 217,337 Value ($000) $12,678 Avg Close — Range —
Q3 2013
Shares 203,741 Value ($000) $8,679 Avg Close — Range —
Q2 2013
Shares 238,220 Value ($000) $8,071 Avg Close — Range —