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

Insider buying vs selling

Have Clearsign Technologies Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
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 Officer2026-02-26105,022$0.56
$59.02kSell
Brent HindsChief Financial Officer2026-02-222,765$0.60
$1.65kSell
Brent HindsChief Financial Officer2026-02-203,413$0.60
$2.03kSell
Brent HindsChief Financial Officer2026-02-023,711$0.60
$2.22kSell

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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.303.87%16,188,216$60.54MInsider
John M. Pasquesi158.33%8,434,774$31.55MInsider
Gpclirspv LLC97.86%5,213,543$19.50MInsider
Clirspv LLC97.86%5,213,543$19.50MInsider
James M. Simmons31.28%1,666,627$6.23MInsider
David B. Goodson30.85%1,643,324$6.15MInsider
Vanguard Group Inc24.83%1,322,980$4.95MInstitution
Dbg Living Trust Bd11.33%603,324$2.26MInsider
Simon Quick Advisors LLC11.32%603,149$2.26MInstitution
Anthony Digiandomenico10.22%544,478$2.04MInsider

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CLIR vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLIR9.46%90.54%Net SellingNet Selling
LIQT6.47%93.53%Net SellingNet Selling
RAIN11.81%74.96%Net Selling
TOMZ4.90%15.88%Net BuyingNet Buying
CLWT2.44%0.00%

Clearsign Technologies Stock Ownership FAQ

Who owns Clearsign Technologies?

Clearsign Technologies (NASDAQ: CLIR) is owned by 83.66% institutional shareholders, 801.13% Clearsign Technologies insiders, and 0.00% retail investors. Robert Thurston Hoffman Sr. is the largest individual Clearsign Technologies shareholder, owning 16.19M shares representing 303.87% of the company. Robert Thurston Hoffman Sr.'s Clearsign Technologies shares are currently valued at $60.54M.

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