Form S-1/A - General form for registration of securities under the Securities Act of 1933: [Amend]
SEC Accession No. 0001104659-25-080929
Filing Date
2025-08-20
Accepted
2025-08-20 16:30:49
Documents
3

Document Format Files

Seq Description Document Type Size
1 FORM S-1/A tm2523685d1_s1a.htm S-1/A 227023
2 EXHIBIT 23.1 tm2523685d1_ex23-1.htm EX-23.1 2633
3 GRAPHIC tm2523685d1_s1img001.jpg GRAPHIC 14113
  Complete submission text file 0001104659-25-080929.txt   250414
Mailing Address 8023 E. 63RD PLACE, SUITE 101 TULSA OK 74133
Business Address 8023 E. 63RD PLACE, SUITE 101 TULSA OK 74133 (918) 236-6461
ClearSign Technologies Corp (Filer) CIK: 0001434524 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-1/A | Act: 33 | File No.: 333-289549 | Film No.: 251237214
SIC: 3823 Industrial Instruments For Measurement, Display, and Control
(CF Office: 08 Industrial Applications and Services)