Under its risk factors, Slack said it may need to establish costly systems to keep in compliance with new data laws, including the European Union's General Data Protection Regulation. Slack CEO Stewart Butterfield owns an 8.6% stake and SoftBank holds 7.3%. Class A common stock will be entitled to one vote per share, while Class B will be entitled to 10 votes per share.Īccel is the company's largest shareholder at 24%, followed by Andreessen Horowitz with a 13.3% stake and Social Capital with a 10.2% stake. The company will offer two classes of shares that will consolidate voting power among its top shareholders with Class B stock. 'We believe our market remains underpenetrated and we will continue to expand our marketing and sales efforts to reach more users and organizations and to increase the number of paid customers,' Slack said. Slack expects to continue spending on sales and marketing, listing these areas as part of its growth strategy. The company has been increasing its sales and market spend over the past few years, spending $140 million in its fiscal year 2018 and $104 million in its fiscal year 2017. Slack spent more than half its revenue on sales and marketing during its fiscal year 2019, reporting more than $233 million in operating expenses on that segment. Paid customers paying over $100,000 based on annual recurring revenue (ARR): 575, up 93% year over year compared with fiscal 2018.Paid customers: 88,000, up 49% year over year compared with fiscal 2018.Daily Active Users (DAUs): Over 10 million.Here's how Slack reported its user base as of Jan. Here's how Slack said it performed for the year ending Jan.

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