SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-21-044241
Filing Date
2021-03-31
Accepted
2021-03-31 06:02:40
Documents
83
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K tm211074d1_10k.htm 10-K 740010
2 EXHIBIT 23.1 tm211074d1_ex23-1.htm EX-23.1 2540
3 EXHIBIT 31.1 tm211074d1_ex31-1.htm EX-31.1 11414
4 EXHIBIT 31.2 tm211074d1_ex31-2.htm EX-31.2 11463
5 EXHIBIT 32.1 tm211074d1_ex32-1.htm EX-32.1 4873
6 GRAPHIC tm211074d1_10ksp1img001.jpg GRAPHIC 2852
7 GRAPHIC tm211074d1_10ksp2img001.jpg GRAPHIC 12830
8 GRAPHIC tm211074d1_10ksp3img001.jpg GRAPHIC 34205
  Complete submission text file 0001104659-21-044241.txt   6462483

Data Files

Seq Description Document Type Size
9 XBRL INSTANCE DOCUMENT clir-20201231.xml EX-101.INS 1584202
10 XBRL TAXONOMY EXTENSION SCHEMA clir-20201231.xsd EX-101.SCH 63733
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE clir-20201231_cal.xml EX-101.CAL 53247
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE clir-20201231_def.xml EX-101.DEF 217464
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE clir-20201231_lab.xml EX-101.LAB 431907
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE clir-20201231_pre.xml EX-101.PRE 414478
Mailing Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168
Business Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168 (206) 673-4848
ClearSign Technologies Corp (Filer) CIK: 0001434524 (see all company filings)

IRS No.: 000000000 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-35521 | Film No.: 21789635
SIC: 3823 Industrial Instruments For Measurement, Display, and Control