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SC 13D/A

Beneficial Ownership Report

ClearSign Technologies Corp Filed 2022-07-18 Acc 0001062993-22-016414

Documents 1

SC 13D/A Beneficial Ownership Report , formsc13da.htm

Around this filing

2024-02-05 SC 13D/A Beneficial Ownership Report
2022-07-19 CORRESP Correspondence Between Filers and SEC Staff
2022-07-18 SC 13D/A Beneficial Ownership Report
2022-07-14 UPLOAD SEC-generated Letter
2022-07-13 4 Director bought 1,591,594 shares at $1.11 ($1,766,669)
2020-10-07 SC 13D/A Beneficial Ownership Report

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