ClearSign Technologies Corp: Ownership Change Reported

Ticker: CLIR · Form: 4 · Filed: 2026-04-02T19:00:18-04:00

Sentiment: neutral

Topics: insider-filing, ownership-change

TL;DR

Insider ownership change at ClearSign Technologies Corp.

AI Summary

On March 31, 2026, Anthony DiDomenico reported a change in beneficial ownership of securities for ClearSign Technologies Corp. The filing details transactions related to his holdings, but specific dollar amounts and the nature of the transactions are not detailed in this summary.

Why It Matters

This filing indicates a change in insider holdings, which can sometimes signal a shift in management's confidence in the company's future prospects.

Risk Assessment

Risk Level: low — Form 4 filings typically report routine changes in insider ownership and do not inherently represent significant risk.

Key Players & Entities

FAQ

Who is the reporting person for this filing?

The reporting person is Anthony DiDomenico.

What is the name of the issuer?

The issuer is ClearSign Technologies Corp.

What is the CIK for ClearSign Technologies Corp?

The CIK for ClearSign Technologies Corp is 0001434524.

What is the CIK for Anthony DiDomenico?

The CIK for Anthony DiDomenico is 0001083544.

What is the period of report for this filing?

The period of report is 2026-03-31.

From the Filing

EDGAR Filing Documents for 0001104659-26-039309 This page uses Javascript. Your browser either doesn't support Javascript or you have it turned off. To see this page as it is meant to appear please use a Javascript enabled browser. SEC.gov EDGAR Latest Filings Filings search tools Filing Detail SEC Home » Company Search » Current Page Form 4 - Statement of changes in beneficial ownership of securities: SEC Accession No. 0001104659-26-039309 Filing Date 2026-04-02 Accepted 2026-04-02 19:00:18 Documents 1 Period of Report 2026-03-31 Document Format Files Seq Description Document Type Size 1 OWNERSHIP DOCUMENT tm2610943-1_4seq1.html 4 1 OWNERSHIP DOCUMENT tm2610943-1_4seq1.xml 4 4363 Complete submission text file 0001104659-26-039309.txt 6003 Mailing Address 3600 GREEN COURT, SUITE 350 ANN ARBOR MI 48105 Business Address DIGIANDOMENICO ANTHONY ( Reporting ) CIK : 0001083544 (see all company filings) State of Incorp.: CA | Fiscal Year End: 1231 Type: 4 | Act: 34 | File No.: 001-35521 | Film No.: 26836185 Mailing Address 8023 E. 63RD PLACE, SUITE 101 TULSA OK 74133 Business Address 8023 E. 63RD PLACE, SUITE 101 TULSA OK 74133 (918) 500-7312 ClearSign Technologies Corp ( Issuer ) CIK : 0001434524 (see all company filings) EIN. : 000000000 | State of Incorp.: DE | Fiscal Year End: 1231 SIC : 3823 Industrial Instruments For Measurement, Display, and Control (CF Office: 08 Industrial Applications and Services)

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