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CLIR

ClearSign Technologies Corp SEC filings

Industrial Instruments For Measurement, Display, and Control · Nasdaq · Incorporated in DE

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Filing history

2026-10-02

Insider trade 4

2026-10-02

Insider trade 4

2026-10-02

Insider trade 4

2026-10-02

Insider trade 4

2026-09-14

Current report 8-K

Reg FD disclosure

2026-08-20

Current report 8-K

Earnings resultsReg FD disclosure

2026-08-14

Quarterly report 10-Q

2026-08-11

New insider's holdings 3

2026-08-11

Current report 8-K

Exec/director changeReg FD disclosure

2026-07-31

D D

Item 06b

2026-07-24

Passive 5%+ stake update SCHEDULE 13G/A

2026-07-24

Insider trade 4

2026-07-23

Current report 8-K

Material agreementShare sale (dilution)Reg FD disclosure

2026-07-06

Employee stock plan shares S-8

2026-07-06

Current report 8-K

Other event

2026-07-06

Prospectus 424B5

2026-07-02

Insider trade 4

2026-07-02

Insider trade 4

2026-07-02

Insider trade 4

2026-06-18

Current report 8-K

Other event

2026-06-09

Current report 8-K

Shareholder vote

2026-06-01

Current report 8-K

Material agreementOther event

2026-06-01

Prospectus 424B5

2026-05-28

Prospectus 424B5

2026-05-28

Current report 8-K

Other event

2026-05-21

Current report 8-K

Earnings resultsReg FD disclosure

2026-05-15

Quarterly report 10-Q

2026-04-28

Annual report to shareholders ARS

2026-04-28

Proxy material DEFA14A

2026-04-28

Proxy statement (shareholder vote) DEF 14A

2026-04-27

Insider trade (amended) 4/A

2026-04-27

Insider trade 4

2026-04-10

Current report 8-K

Earnings resultsReg FD disclosure

2026-04-02

Insider trade 4

2026-04-02

Insider trade 4

2026-04-02

Insider trade 4

2026-03-31

Annual report 10-K

2026-03-30

Current report 8-K

Other event

2026-03-19

Insider trade 4

2026-03-10

Current report 8-K

Shareholder rights changeBylaws changeReg FD disclosure