SEC Form D filing

ClearSign Technologies Corp, 2026-07-31

An SEC Form D private-offering notice from Tulsa, OK, a $1,770,000 filer-stated offering target. Filed 2026-07-31. The source filing is one click away. For companies that filed this week, open the live feed.

What this filing says

ClearSign Technologies Corp site↗ Verified via SEC Form D

Develops ultra low NOx industrial combustion technology, including ClearSign Core burners and ClearSign Eye flame sensors, for oil and gas, refining and chemical industries.

Filed 2026-07-31Filed to raise $1,770,000First money in 2026-07-22Raised so far $1,770,000HQ (as filed) Tulsa, OKStage (inferred) Seed
Source linked the Form D on EDGAR↗Website verified clearsign.com↗Named in the filing 5 executives & directors

This is a public SEC Form D private-offering notice, the filer's own statement to the SEC. Amounts are offering targets, not confirmed closes. Takeoff Radar pulls Form D nightly from EDGAR and links every filing to its source.

Other Form D filings from the same week

each with its own page and its own EDGAR source