Loading…
SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.
Firm Income Reported for This Client
$130K
Not substituted for client expenses
Summary
CLEARSIGN COMBUSTION CORPORATION is an organization, based in WA. Its political footprint includes $130K in lobbying-firm income reported for this client. Lobbying activity focuses on Environment/Superfund, Fuel/Gas/Oil, Energy/Nuclear, Science/Technology. Political activity spans from 2013 to 2014.