ClearSign Technologies Corp (CLIR)

CIK 1434524 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for ClearSign Technologies Corp.

Recent SEC filings

FiledFormAccession number
Aug 20, 20268-K0001104659-26-099235
Aug 14, 202610-Q0001104659-26-096539
Aug 11, 20268-K0001104659-26-093758
Aug 11, 202630001104659-26-094205
Jul 31, 2026D0001104659-26-089253
Jul 24, 202640001227099-26-000005
Jul 24, 2026SCHEDULE 13G/A0001227099-26-000006
Jul 23, 20268-K0001104659-26-086099
Jul 6, 2026S-80001104659-26-080759
Jul 6, 20268-K0001104659-26-080744
Jul 6, 2026424B50001104659-26-080740
Jul 2, 202640001104659-26-080468
Jul 2, 202640001104659-26-080470
Jul 2, 202640001104659-26-080466
Jun 18, 20268-K0001104659-26-075734
Jun 9, 20268-K0001104659-26-071865
Jun 1, 20268-K0001104659-26-068614
Jun 1, 2026424B50001104659-26-068611
May 28, 20268-K0001104659-26-067517
May 28, 2026424B50001104659-26-067545
May 21, 20268-K0001104659-26-065175
May 15, 202610-Q0001104659-26-061940
Apr 28, 2026DEFA14A0001104659-26-050320
Apr 28, 2026ARS0001104659-26-050341
Apr 28, 2026DEF 14A0001104659-26-049883