SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001144204-19-025695
Filing Date
2019-05-13
Accepted
2019-05-13 18:46:48
Documents
1
Period of Report
2019-05-09

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tv521421_4.html 4  
1 OWNERSHIP DOCUMENT tv521421_4.xml 4 4363
  Complete submission text file 0001144204-19-025695.txt   5737
Mailing Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168
Business Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168 (206) 673-4848
CLEARSIGN COMBUSTION CORP (Issuer) CIK: 0001434524 (see all company filings)

IRS No.: 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.: 19820013