Superhuman raises nearly $750M, filings show

RUNTIMEWIRE INVESTIGATION — Scoop

Original reporting by RuntimeWire, based on public records.

Why it matters

The filings document $746.8 million in securities sales during Superhuman's push to combine Grammarly, Coda, Mail and cross-app AI. They show two equity offerings and a separate option-related sale, but provide no valuation, purchaser list or full account of the transaction structure.

Reporting record

Superhuman Platform Inc., the company formerly known as Grammarly, reported $746.8 million in securities sold across three exempt-offering filings covering sales from August 7th through September 20th. The filings show two offerings classified as equity and a third classified as options or other rights to acquire securities, so the total should not be read as a confirmed $746.8 million equity round. The latest Form D, filed September 28th, reports $335.2 million sold.

The filings record sales of $320 million to 45 investors, beginning August 7th; $335.2 million to 111 investors, beginning September 14th; and $91.6 million to 436 investors, beginning September 20th. Each filing says its stated offering amount had been fully sold. The investor counts add to 592, but the documents do not establish whether any investors appear in more than one offering.

That distinction matters to the size and character of the financing. The first two filings identify the securities as equity. The third, filed September 25th, identifies options, warrants or other rights to acquire securities. The September 25th filing reports $91,641,187 sold. The filings do not identify purchasers, state a valuation or clarify whether any sale involved existing shareholders. They also do not say how Superhuman plans to use the proceeds beyond indicating that none would be paid to the named executives, directors or promoters.

A bigger platform, and new capital

The sales arrive as CEO Shishir Mehrotra brings together products built by three separate founding teams. Grammarly was founded in 2009 by Maksym Lytvyn and Oleksiy Shevchenko with Dmytro Lider. Mehrotra co-founded Coda in 2014, later leading it as CEO; before that, he was YouTube's chief product officer and chief technology officer, according to Superhuman's biography.

Grammarly acquired Coda and Superhuman Mail in 2025 and adopted the Superhuman name that October. Mehrotra's stated product thesis is to bring AI into the apps people already use, rather than require them to move into a separate workspace. The combined suite includes Grammarly's writing assistance, Superhuman Mail, Superhuman Docs and Superhuman Go, which the company describes as an assistant that works across apps. Superhuman says more than 40 million people use its products daily; that is a company-reported metric, not a figure verified by the Form Ds.

The filings also identify Reid Hoffman (@reidhoffman), LinkedIn co-founder and Greylock partner, as a director, alongside General Catalyst chief executive Hemant Taneja. Grammarly's older funding announcements named institutional backers including General Catalyst, IVP, Spark Capital and Baillie Gifford. The latest filings do not disclose whether any of those firms or individuals participated in these sales.

Superhuman had last publicly announced an equity round in 2021: a $200 million-plus financing that Grammarly said included Baillie Gifford and funds and accounts managed by BlackRock. The company also announced $1 billion in financing from General Catalyst in May 2025, describing it as a growth investment from the firm's Customer Value Fund for sales, marketing and acquisitions. That financing was presented as a separate, non-dilutive arrangement, not an equity round.

The new filings therefore show a substantial additional flow of securities sales after the company's last announced equity financing, but they do not provide the information investors usually use to compare one round with another: a price, valuation, lead investor or clear account of the security structure. They establish reported sale amounts and filing categories, not the terms of a conventional venture round.

What the filings establish

The three notices were filed under Rule 506(b), an exemption from registering the offerings with the SEC. The agency says on the filing itself that it has not reviewed the information or determined whether it is accurate and complete. The documents are issuer-submitted notices, rather than a prospectus laying out a financing's full terms.

The board and officer list includes Grammarly co-founders Lytvyn and Shevchenko, Hoffman, Taneja, Mehrotra and Matt Hudson. That places the founders and the CEO of the enlarged platform on the record alongside two prominent investors. The filings do not show which of them, if any, bought securities.

Superhuman has spent the past year broadening Grammarly's writing assistant into a suite spanning email, documents and cross-app AI, including its June 2026 agreement to bring AI-detection company GPTZero into the business. RuntimeWire previously covered the GPTZero combination. The filings show capital activity during that expansion, while leaving unanswered whether the money finances the platform's next phase, reflects employee or shareholder liquidity, or combines different purposes across separate offerings. The disclosed documents do not settle that question.