A marketplace for pre-IPO securities says some Slack investors have been selling stock at $28/share ahead of its IPO, which would value the company at ~$16.7B
Context & Ripple Effects
Slack has been marching toward a listing all year: reports in September 2018 flagged IPO preparations at a then-$7B-plus valuation, and by April private-market shares were already trading at levels valuing the company around $16B, more than double its last funding round. Today's report adds a specific data point — investors offloading stock at $28/share on a pre-IPO marketplace.
First-order effects
- Early Slack investors and employees now have a liquidity route that pays roughly double the August 2018 round price before the company even lists, with no waiting for an offering.
- The marketplace print gives the market a live read on demand ahead of Slack's direct listing — notable because Slack's updated S-1 registers only about 117M Class A shares with just $196.5M expected to be raised, meaning no underwritten offering will anchor the opening price.
Second-order effects
- Because a direct listing sets no new capital raise or book-build, secondary prints like this one become the de facto price-discovery mechanism that banks would otherwise supply — a function competitors weighing direct listings will be watching closely.
- Late-stage holders of other hot private companies gain a template: selling into pre-IPO marketplaces near listing time lets insiders capture value that would otherwise go to public-market buyers at the open.
Third-order effects
- If secondary platforms keep pricing marquee listings accurately, they harden into standing infrastructure for pre-IPO liquidity, narrowing the traditional gap between private-round marks and public debut prices and pressuring the conventional IPO's monopoly on insider exits.
The trend: Secondary marketplaces are becoming the price-discovery layer for high-profile tech listings, letting insiders sell before the bell in an era of direct listings.