X0202 4 2006-02-22 0 0000869087 MAVERICK TUBE CORPORATION MVK 0001327946 Schuldt Joyce M C/O MAVERICK TUBE CORPORATION 16401 SWINGLEY RIDGE ROAD CHESTERFIELD MO 63017 0 1 0 0 Sr VP-Finance, CFO & Secretary Common Stock 2006-02-22 4 M 0 3278 20.90 A 13232 D Common Stock 2006-02-22 4 M 0 1967 33.77 A 15199 D Common Stock 2006-02-22 4 S 0 3200 46.90 D 11999 D Common Stock 2006-02-22 4 S 0 78 46.92 D 11921 D Common Stock 2006-02-22 4 S 0 1967 46.92 D 9954 D Stock Option 20.90 2006-02-22 4 M 0 3278 0 D 2005-05-11 2014-05-11 Common Stock 3278 6556 D Stock Option 33.77 2006-02-22 4 M 0 1967 0 D 2005-02-22 2014-02-22 Common Stock 1967 3933 D Previously filed Forms 4 dated 5/18/05 and 11/23/05 included shares of unvested performance-based restricted stock of 2,500 and 4,142, respectively, that have not yet been issued, and therefore, will not be reported unless and until the applicable vesting events occur. /s/ Joyce M. Schuldt 2006-02-23