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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001144204-18-011797
Filing Date
2018-02-28
Accepted
2018-02-28 16:31:47
Documents
1
Period of Report
2018-02-27

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tv487223_4.html 4  
1 OWNERSHIP DOCUMENT tv487223_4.xml 4 3070
  Complete submission text file 0001144204-18-011797.txt   4432
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 4728 EAST 98TH STREET TULSA OK 74137
Business Address
PIRNAT STEPHEN E (Reporting) CIK: 0001547961 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35521 | Film No.: 18651726