X0202 4 2007-05-15 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 2007-05-15 4 M false 3960 24.73 A 10486 D Ordinary Shares, $0.01 par value 2007-05-15 4 S false 3960 66 D 6526 D Employee Stock Option (right to buy) 24.73 2007-05-15 4 M false 3960 0 D 2005-01-02 2014-01-02 Ordinary Shares, $0.01 par value 3960 8040 D Since his most recent report under Section 16(a), the reporting person acquired one (1) share under the 401(k) Plan in a non-reportable transaction, which shares are included in the 401(k) Plan end-of-period holdings indicated. 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. Robert L Herrin 2007-05-16