ClearSign Technologies Corp - CLIR

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 16
Latest filed: Apr 02, 2026
Form Count
4 8
8-K 8

Latest files

Filed Form Report period Accession SEC
Apr 02, 2026 4 Mar 31, 2026 0001104659-26-039309 View
Apr 02, 2026 4 Mar 31, 2026 0001104659-26-039310 View
Apr 02, 2026 4 Mar 31, 2026 0001104659-26-039311 View
Mar 30, 2026 8-K Mar 30, 2026 0001104659-26-036808 View
Mar 19, 2026 4 Mar 16, 2026 0001104659-26-032244 View
Mar 10, 2026 8-K Mar 06, 2026 0001104659-26-025867 View
Mar 04, 2026 8-K Feb 26, 2026 0001104659-26-023536 View
Mar 02, 2026 4 Feb 26, 2026 0001104659-26-022401 View
Mar 02, 2026 4 Feb 26, 2026 0001104659-26-022403 View
Feb 25, 2026 8-K Feb 24, 2026 0001104659-26-019768 View
Feb 24, 2026 4 Feb 20, 2026 0001104659-26-019278 View
Feb 04, 2026 4 Feb 02, 2026 0001104659-26-010395 View
Jan 07, 2026 8-K Jan 07, 2026 0001104659-26-001752 View
Dec 08, 2025 8-K Dec 08, 2025 0001104659-25-119321 View
Nov 21, 2025 8-K Nov 19, 2025 0001104659-25-114991 View
Nov 17, 2025 8-K Nov 11, 2025 0001104659-25-113241 View