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Filing
SCHEDULE 13D/A
SCHEDULE 13D/A0001014108-25-000018·ClearSign Technologies Corp
Schedule 13D ownership disclosure
CLEARSIGN TECHNOLOGIES CORP
Common Stock · CUSIP: 185064102
Event date: 2025-02-14
Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.
- Filing-level shares
- Unavailable
- Percent of class
- Unavailable
- clirSPV LLCReported CIK 0001747304
Shares: 1,714,544 · Class: 3.3%
- GPclirSPV LLCReported CIK 0001749087
Shares: 1,714,544 · Class: 3.3%
- HOFFMAN Robert Thurston SrReported CIK 0001748409
Shares: 2,249,027 · Class: 4.3%
- Princeton Opportunity Management LLCReported CIK 0001749086
Shares: 1,714,544 · Class: 3.3%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001014108-25-000018
- Form type
- SCHEDULE 13D/A
- Filer
- ClearSign Technologies Corp
- CIK
- CIK 1434524
- Filed
- Feb 19, 2025
- Reporting period
- Feb 14, 2025
- Description
- Schedule 13D beneficial ownership