Live feed17:19:47·1889dINSIDERFilingvia QuantisnowSEC Form 4: Stewart Butterfield sold $4,210,541 worth of Class A Common Stock (102,148 units at $41.22) and converted 228,801 units into Class A Common Stock, increasing direct ownership by 12% to 1,223,670 unitsByQuantisnow·Wall Street's wire, on your screen.WORK· Slack Technologies, Inc.Consumer ServicesOriginal source