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NASDAQ: CLIR
Clearsign Technologies Corp Stock Ownership - Who owns Clearsign Technologies?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Clearsign Technologies Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John M. Pasquesi10% Owner2026-07-22500,000$3.54
$1.77MBuy
Gil Todd SilvaDirector2026-04-231,000$5.25
$5.25kBuy
Gil Todd SilvaDirector2026-04-231,000$5.32
$5.32kBuy
Gil Todd SilvaDirector2026-03-172,000$4.20
$8.40kBuy
Gil Todd SilvaDirector2026-03-162,000$4.36
$8.71kBuy
Brent HindsChief Financial Officer2026-02-2620,761$0.56
$11.67kSell
Colin James DellerChief Executive Officer2026-02-267,001$5.62
$39.32kBuy
Colin James DellerChief Executive Officer2026-02-263,501$5.62
$19.66kSell
Colin James DellerChief Executive Officer2026-02-26105,022$0.56
$59.02kSell
Brent HindsChief Financial Officer2026-02-222,765$0.60
$1.65kSell

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Net Insider Buy/Sell (L12M) Ownership

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CLIR Shareholders

What type of owners hold Clearsign Technologies Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Robert Thurston Hoffman Sr.299.08%16,188,216$67.50MInsider
John M. Pasquesi180.66%9,778,251$40.78MInsider
Clirspv LLC96.32%5,213,543$21.74MInsider
Gpclirspv LLC96.32%5,213,543$21.74MInsider
James M. Simmons30.79%1,666,627$6.95MInsider
David B. Goodson30.36%1,643,324$6.85MInsider
Dbg Living Trust Bd11.15%603,324$2.52MInsider
Anthony Digiandomenico10.06%544,478$2.27MInsider
Christopher A. Marlett8.73%472,697$1.97MInsider
Geoffrey D. Osler7.86%425,249$1.77MInsider

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CLIR vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLIR0.90%99.10%Net BuyingNet Buying
ZONE26.82%7.24%Net Selling
CLWT2.37%58.20%
TOMZ13.45%44.81%Net Buying
RAIN11.85%73.26%Net Selling
View Top Pollution & Treatment Control Stocks

Clearsign Technologies Stock Ownership FAQ

Who owns Clearsign Technologies?

Clearsign Technologies (NASDAQ: CLIR) is owned by 7.36% institutional shareholders, 808.83% Clearsign Technologies insiders, and 0.00% retail investors. Robert Thurston Hoffman Sr. is the largest individual Clearsign Technologies shareholder, owning 16.19M shares representing 299.08% of the company. Robert Thurston Hoffman Sr.'s Clearsign Technologies shares are currently valued at $66.92M.

If you're new to stock investing, here's how to buy Clearsign Technologies stock.
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