EquityZen in San Francisco Business Times

Secondary markets hint at Slack’s IPO opening at this price

Slack Technologies’ long-awaited direct IPO is expected to begin trading Thursday without the traditional markers of a pricing range or set IPO price prior to trading, but the secondary markets are expected to play a critical role in setting its opening price.
Read more here: https://www.bizjournals.com/sanfrancisco/news/2019/06/18/secondary-markets-hint-to-slack-ipo-opening-price.html