AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2016
Shares 2,000 Value ($000) $292 Avg Close $114.37 Range $101.21 - $127.75
Q3 2016
Shares 2,000 Value ($000) $334 Avg Close $127.72 Range $114.64 - $133.93
Q2 2016
Shares 2,000 Value ($000) $304 Avg Close $116.70 Range $108.29 - $123.20
Q1 2016
Shares 2,000 Value ($000) $300 Avg Close $110.79 Range $103.99 - $119.01
Q4 2015
Shares 2,000 Value ($000) $325 Avg Close $116.50 Range $100.25 - $122.74
Q3 2015
Shares 2,000 Value ($000) $277 Avg Close $116.24 Range $96.15 - $133.76
Q2 2015
Shares 2,000 Value ($000) $307 Avg Close $117.59 Range $110.98 - $127.09
Q1 2015
Shares 2,000 Value ($000) $320 Avg Close $115.04 Range $107.36 - $126.18
Q4 2014
Shares 2,000 Value ($000) $319 Avg Close $113.30 Range $92.62 - $126.09
Q3 2014
Shares 2,000 Value ($000) $247 Avg Close $94.52 Range $82.98 - $104.80
Q2 2014
Shares 2,000 Value ($000) $237 Avg Close $83.37 Range $77.69 - $91.37
Q1 2014
Shares 2,000 Value ($000) $247 Avg Close $86.89 Range $80.81 - $92.60
Q4 2013
Shares 2,000 Value ($000) $228 Avg Close $81.11 Range $75.24 - $85.16
Q3 2013
Shares 467,612 Value ($000) $65,681 Avg Close $76.98 Range $67.33 - $83.88
Q2 2013
Shares 2,000 Value ($000) $197 Avg Close $73.34 Range $66.69 - $81.06