We parse every Form D, DRS, S-1, and post-IPO filing for late-stage private companies straight from SEC EDGAR. Free, structured, citation-friendly. SpaceX was the first; OpenAI, Stripe, Anthropic, Databricks, and Discord are the next.
Rocket launch services, satellite internet (Starlink), and human spaceflight. S-1 filed 2026-05-20; Nasdaq listing target Jun 12, 2026.
Payments infrastructure for the internet. Repeatedly cited as one of the most-anticipated tech IPOs, with periodic tender offers in lieu of a public listing.
Unified analytics platform combining data warehouse and data lake patterns. The most-cited late-stage enterprise data IPO candidate, with 18 Form D filings to date — more than SpaceX's pre-IPO history.
Real-time chat platform that grew out of gaming communities into broader social infrastructure. Walked away from a Microsoft acquisition in 2021.
All-in-one workspace combining notes, docs, wikis, and project management. Bootstrapped origins, late-stage venture-funded after explosive growth in 2019-2021.
Graphic design platform used by 130M+ monthly active users. Australian-founded with US legal entity. Form D filings 2012-2016, then silent — consistent with the secondary-tender pattern many late-stage privates have moved to.
Foundation model lab behind ChatGPT and the GPT model family. Capped-profit structure layered over a non-profit board.
Safety-focused foundation model lab (Claude). Public Benefit Corporation structure. Backed by Google and Amazon among others.