AIR METHODS CORP

CUSIP: 009128307 Class: COM PAR $.06

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q1 2017
Shares 2,939,451 Value ($000) $126,397 Avg Close — Range —
Q4 2016
Shares 2,851,205 Value ($000) $90,811 Avg Close — Range —
Q3 2016
Shares 2,849,992 Value ($000) $89,745 Avg Close — Range —
Q2 2016
Shares 2,805,537 Value ($000) $100,522 Avg Close — Range —
Q1 2016
Shares 2,797,332 Value ($000) $101,319 Avg Close — Range —
Q4 2015
Shares 2,738,940 Value ($000) $114,844 Avg Close — Range —
Q3 2015
Shares 2,669,161 Value ($000) $90,992 Avg Close — Range —
Q2 2015
Shares 2,597,351 Value ($000) $107,375 Avg Close — Range —
Q1 2015
Shares 2,514,053 Value ($000) $117,130 Avg Close — Range —
Q4 2014
Shares 2,395,476 Value ($000) $105,473 Avg Close — Range —
Q3 2014
Shares 2,374,033 Value ($000) $131,878 Avg Close — Range —
Q2 2014
Shares 2,359,884 Value ($000) $121,888 Avg Close — Range —
Q1 2014
Shares 2,351,595 Value ($000) $125,647 Avg Close — Range —
Q4 2013
Shares 2,278,488 Value ($000) $132,904 Avg Close — Range —
Q3 2013
Shares 2,182,060 Value ($000) $92,956 Avg Close — Range —
Q2 2013
Shares 2,119,272 Value ($000) $71,801 Avg Close — Range —