ClearSign Technologies Corp
SEC Filing List

CLIR CIK: 0001434524

Form Type:

Year

Form	Description	Owner/Filer	Filing Agent	Date	Actions
S-8	Initial registration statement for secur...	Clearsign Technologies Corp	Toppan Merrill/FA	07/06/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
424B5	Prospectus filed pursuant to Rule 424(b)(5)	Clearsign Technologies Corp	Toppan Merrill/FA	07/06/2026	View ... Create Alert Filing info Download PDF Copy Link
8-K	Current report filing	Clearsign Technologies Corp	Toppan Merrill/FA	07/06/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
4	Statement of changes in beneficial owner...	Silva Gil Todd	Toppan Merrill/FA	07/02/2026	View ... Create Alert Filing info Download PDF Copy Link
4	Statement of changes in beneficial owner...	Basenese Lou	Toppan Merrill/FA	07/02/2026	View ... Create Alert Filing info Download PDF Copy Link
4	Statement of changes in beneficial owner...	Digiandomenico Anthony	Toppan Merrill/FA	07/02/2026	View ... Create Alert Filing info Download PDF Copy Link
8-K	Current report filing	Clearsign Technologies Corp	Toppan Merrill/FA	06/18/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
8-K	Current report filing	Clearsign Technologies Corp	Toppan Merrill/FA	06/09/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
8-K	Current report filing	Clearsign Technologies Corp	Toppan Merrill/FA	06/01/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
424B5	Prospectus filed pursuant to Rule 424(b)(5)	Clearsign Technologies Corp	Toppan Merrill/FA	06/01/2026	View ... Create Alert Filing info Download PDF Copy Link
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