Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-21-109834
Filing Date
2021-08-26
Accepted
2021-08-26 16:39:17
Documents
1
Period of Report
2021-08-24

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm2125932d2_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm2125932d2_4seq1.xml 4 14580
  Complete submission text file 0001104659-21-109834.txt   16066
Mailing Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168
Business Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168 (206) 673-4848
ClearSign Technologies Corp (Issuer) CIK: 0001434524 (see all company filings)

EIN.: 000000000 | State of Incorp.: WA | Fiscal Year End: 1231
SIC: 3823 Industrial Instruments For Measurement, Display, and Control

Mailing Address 119 WARREN AVENUE SPRING LAKE NJ 07762
Business Address
HOFFMAN Robert Thurston Sr (Reporting) CIK: 0001748409 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35521 | Film No.: 211212895