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Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Diederik KarstenN/A30,312less than 0.1%2014-03-31

Insider Charts

Insider Transactions

Insider Position Date Buy/Sell Shares Shares Owned Following This (Direct & Indirect) Trade Price ($) Cost ($1000) Price Change
Since Trade (%)
Share Ownership Details
SPO ADVISORY CORP10% Owner2011-05-04Sell204,55211,588,207$45.599325.525.99
11,588,207 (See Footnotes))
SPO ADVISORY CORP10% Owner2011-05-02Sell791,1720$46.4636757.923.63Link
SPO ADVISORY CORP10% Owner2011-04-21Sell1,145,4000$44.851313.928.21Link
SPO ADVISORY CORP10% Owner2011-03-24Sell2,703,0000$41.42111958.338.68Link
SPO ADVISORY CORP10% Owner2011-03-21Sell731,0000$41.0530007.639.93Link
OBERNDORF FOUNDATIONSee Footnote 12010-11-17Sell8,0866,000$37.7304.852.36Link
SPO ADVISORY CORP10% Owner2009-11-12Buy6,000,00024,874,437$21.38128280168.66Link
WARGO J DAVIDDirector2008-11-18Sell16,3007,591$12.8208.6348.75
WARGO J DAVIDDirector2008-11-18Sell16,3007,591$12.8208.6348.75
WARGO J DAVIDDirector2008-11-18Sell32,60015,182$12.8417.3797.5
GOULD PAUL ADirector2008-10-16Buy10,000312,775$16.98169.8238.28
GOULD PAUL ADirector2008-10-16Buy10,000312,775$16.98169.8238.28
GOULD PAUL ADirector2008-10-16Buy20,000625,550$16.98339.6576.56
WARGO J DAVIDDirector2008-10-10Sell53,00013,266$18.8996.4205.53
WARGO J DAVIDDirector2008-10-10Sell53,00013,266$18.8996.4205.53
WARGO J DAVIDDirector2008-10-10Sell106,00026,532$18.81992.8511.06
GOULD PAUL ADirector2008-10-10Buy10,000302,775$18.75187.5206.35
WARGO J DAVIDDirector2008-10-10Sell3,00012,766$18.756.1207.17
GOULD PAUL ADirector2008-10-10Buy10,000302,775$18.75187.5206.35
WARGO J DAVIDDirector2008-10-10Sell3,00012,766$18.756.1207.17

Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as Conversion of derivative security or Exercise of Options are not included. Insiders are only limited to Officers and/or Directors of the company.

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