X0202 4 2007-03-23 0 0001022505 NATIONAL SCIENTIFIC CORP/AZ NSCT 0001213297 CLARK GRAHAM L 8361 E. EVANS ROAD, SUITE 106 SCOTTSDALE AZ 85260-3617 1 1 0 0 President NSCT Common Stock 2007-03-23 4 J 0 666667 0.03 A 4121667 D A private acquisition of 666,667 restricted shares of the Company's common stock related to compensation for the Reporting Person's services, specifically back pay salary conversion, and subject to substantial risk of forfeiture if Company fails to meet key objectives. Additional compensation and back pay disclosure details are contained in the Company's 2006 Form10-KSB and related filings with the SEC /s/ Graham L. Clark 2007-03-26