X0202 4/A 2008-03-04 2008-03-06 0000350557 STEN CORP STEN 0001236924 COPPERUD GARY 1234 TRAPPERS POINT FORT COLLINS CO 80524 0 0 1 0 Common Stock 2008-03-04 4 S 0 13000 4.75 D 481735 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 3000 4.78 D 478735 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 3000 4.75 D 475735 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 2752 4.85 D 472983 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 1500 4.87 D 471483 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 1000 4.63 D 470483 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 720 5.0067 D 469763 I CMM Properties LLC Common Stock 2008-03-04 4 S 0 280 5.00 D 469483 I CMM Properties LLC This amendment to Form 4 is being filed to correct the relationship of the reporting person to the issuer to indicate the reporting person is filing a Form 4 as a greater than 10% owner and not as a director. The reporting person resigned as a director and officer of the issuer on May 11, 2007. /s/ Ryan C. Brauer as Attorney-in-Fact for Gary Copperud pursuant to Power of Attorney previously filed. 2008-03-10