DocuSign IPO: Five things to know about the e-signature company By: MarketWatch April 06, 2018 at 12:57 PM EDT DocuSign filed paperwork for an IPO in March, revealing a deceleration in revenue growth as well as slimming losses. Read More >> Related Stocks: Adobe Systems Alphabet-A Amazon.com Dropbox Inc Facebook Microsoft VASCO Data Security International, Inc. - Common Stock Zscaler Inc