Clearsign Technologies (CLIR): CEO had shares withheld for tax 3,501 shares

3,501

Shares · @ $5.62

Traded

Feb 26, 2026

Filed

Apr 28, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jan 7, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
2. Feb 24, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors

What came next

1. Mar 6, 2026Company filing · Form 8-K · Shareholder rights, Bylaws or charterChanged the rights of its shareholders, and changed its bylaws, charter or fiscal year (and 1 more item)
2. Mar 16, 2026Insider · First insider buy since Jun 2024Director purchased ~$8.7K of CLIR shares in the open market
3. Mar 17, 2026InsiderDirector purchased ~$8.4K of CLIR shares in the open market
4. Apr 9, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
5. Apr 23, 2026Insider · 1 personInsiders: 2 purchases (~$11K)
6. May 20, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
7. May 28, 2026Company filing · Form 8-K · Material agreement, Other newsSigned an important agreement, and reported other company news

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Clearsign Technologies

OQRO holds no insider, Congress, fund or contract record for Clearsign Technologies dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CLIR page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Clearsign Technologies

• SEC Form 4Jul 24, 2026
• SEC Form 4Apr 28, 2026
• SEC Form 4Apr 28, 2026
• SEC Form 4Mar 19, 2026
• SEC Form 4Mar 19, 2026

Everything OQRO holds on this company is on its CLIR page.