Companies › CLIR

CLEARSIGN TECHNOLOGIES (CLIR)

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0001434524 · EDGAR filings · Updated 2026-07-24

CLEARSIGN TECHNOLOGIES (CLIR) has reported institutional ownership of 7.4%, with 20 institutional managers holding positions valued at $1.74M per the latest 13F reporting period. SEC filings include an active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), substantial-doubt (going concern) disclosure per the filings.

Filings this week (3)

• 2026-07-24 — SCHEDULE 13G/A filed
• 2026-07-24 — Insider transaction reported (Form 4)
• 2026-07-23 — Current report (8-K) filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

• 2026-07-06 — Employee-plan registration (S-8) filed
• 2026-07-06 — Current report (8-K) filed
• 2026-07-06 — Prospectus supplement (424B5) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, CLEARSIGN TECHNOLOGIES has 20 institutional holders and institutional ownership of 7.4%.

Insider activity

Insiders reported 12 transactions (2 buys, 0 sells) across 6 reporting insiders, with a net reported value of $17.1K.

Data flags from SEC filings

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