SLACK is going public

Slack Technologies is going public, but with a twist. The company behind the popular workplace communication app has filed confidentially with the Securities and Exchange Commission to list its stock on an American exchange.

Slack has projected sales of $389 million for the year ending January, good for growth of 76 percent year over year. It’s projecting sales growth of 64 percent this year, when it should generate free cash flow, management says. Those are heady figures, but the valuation looks pricey at more than 11 times sales. But if it sales growth can remain high, it may not look so expensive for long.

So, with it’s hyper growth, slack fits this board well.…