Casper CEO Philip Krim. Photo by Kimberly White/Getty Images for TechCrunch, under Creative Commons license

Philip Krim, the chief executive of mattress company Casper, is apparently taking a side gig and spearheading a special purpose acquisition company (SPAC) that’s set to debut on the public markets. Tailwind Acquisition Corp, a corporate entity with Krim as its chairman, has filed with U.S. Securities and Exchange Commission to raise $300 million on the public markets by selling 30 million shares at $10 each. Investment bank Jefferies is acting as the sole underwriter for the public offering.

For the uninitiated, SPACs are corporate entities with no operations of their own that are taken public for the primary purpose of merging with another company. In a case where a SPAC reaches a deal to merge with a private company, the money raised by the SPAC on the public markets will go towards the private company, which would then become publicly-traded as a result of the merger. SPACs are becoming an increasingly popular way for companies to go public, with the likes of CuriosityStream, a video streaming upstart, and electric car upstarts Canoo and Lordstown Motors set to go public via that path.

Tailwind Acquisition Corp, Krim’s SPAC, is looking to merge with a company particularly from the consumer internet, digital media, and marketing technology sectors.