Live feed20:41:36·1534dINSIDERFilingvia QuantisnowSEC Form 4: Waldern Jonathan exercised 171,432 shares at a strike of $0.27 and sold $317,149 worth of shares (171,432 units at $1.85)ByQuantisnow·Wall Street's wire, on your screen.MMAT· Meta Materials Inc.TechnologyOriginal source