X0508 4 2025-12-23 0001124198 FLUOR CORP FLR 0001339727 Constable David E C/O FLUOR CORPORATION 6700 LAS COLINAS BLVD IRVING TX 75039 true true false false Executive Chairman 0 Common Stock 2025-12-23 4 F 0 11889 40.90 D 780138 D In connection with the vesting of 30,212 restricted stock units held by the Reporting Person on 12/23/2025, the Issuer has withheld 11,889 shares of common stock to satisfy the resulting tax withholding obligation. The withholding of these shares occurred automatically upon the vesting of the restricted stock units, and as such, no investment decision was made by the Reporting Person in connection with this transfer. /s/ Eric P. Helm by Power of Attorney 2025-12-29