Live feed14:33:29·1643dINSIDERFilingvia QuantisnowSEC Form 4: Ruport Mark bought $29,633 worth of shares (10,000 units at $2.96), increasing direct ownership by 1,032% to 10,969 unitsByQuantisnow·Wall Street's wire, on your screen.SGLB· Sigma Labs Inc.TechnologyOriginal source