X0202 4 2007-05-17 false 0001038914 GLOBALSANTAFE CORP GSF 0001329586 Herrin Robert L 15375 MEMORIAL DRIVE HOUSTON TX 77079 false true false false VP & Controller Ordinary Shares, $0.01 par value 168 I 401(k) Plan Ordinary Shares, $0.01 par value 2007-05-17 4 M false 4950 33 A 11476 D Ordinary Shares, $0.01 par value 2007-05-17 4 M false 1675 37.48 A 13151 D Ordinary Shares, $0.01 par value 2007-05-17 4 S false 1300 66.68 D 11851 D Ordinary Shares, $0.01 par value 2007-05-17 4 S false 5325 66.67 D 6526 D Ordinary Shares, $0.01 par value 2007-05-17 4 S false 496 66.595 D 6030 D Ordinary Shares, $0.01 par value 2007-05-17 4 S false 59 66.5 D 5971 D Ordinary Shares, $0.01 par value 2007-05-18 4 M false 8040 24.73 A 14011 D Ordinary Shares, $0.01 par value 2007-05-18 4 M false 8386 25.02 A 22397 D Ordinary Shares, $0.01 par value 2007-05-18 4 S false 16426 68.5 D 5971 D Employee Stock Option (right to buy) 33 2007-05-17 4 M false 4950 0 D 2005-12-31 2014-12-31 Ordinary Shares, $0.01 par value 4950 4950 D Employee Stock Option (right to buy) 37.48 2007-05-17 4 M false 1675 0 D 2006-02-28 2015-02-28 Ordinary Shares, $0.01 par value 1675 825 D Employee Stock Option (right to buy) 24.73 2007-05-18 4 M false 8040 0 D 2005-01-02 2014-01-02 Ordinary Shares, $0.01 par value 8040 0 D Employee Stock Option (right to buy) 25.02 2007-05-18 4 M false 8386 0 D 2004-01-02 2013-01-02 Ordinary Shares, $0.01 par value 8386 0 D Each option entitles the optionee to purchase one ordinary share of GlobalSantaFe Corporation. First vesting date. The option vests and becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date. Each option entitles the optionee to purchase one ordinary share of GlobalSantaFe Corporation. First vesting date. The option vests and becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date. Sale pursuant to a plan under Rule 10b5-1 previously entered into by the reporting person. Sale pursuant to a plan under Rule 10b5-1 previously entered into by the reporting person. Sale pursuant to a plan under Rule 10b5-1 previously entered into by the reporting person. Sale pursuant to a plan under Rule 10b5-1 previously entered into by the reporting person. Each option entitles the optionee to purchase one ordinary share of GlobalSantaFe Corporation. First vesting date. The option vests and becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date. Each option entitles the optionee to purchase one ordinary share of GlobalSantaFe Corporation. First vesting date. The option vests and becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date. Sale pursuant to a plan under Rule 10b5-1 previously entered into by the reporting person. Robert L Herrin 2007-05-21