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
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.237.80%16,188,216$57.31MInsider
John M. Pasquesi143.64%9,778,251$34.62MInsider
Gpclirspv LLC76.59%5,213,543$18.46MInsider
Clirspv LLC76.59%5,213,543$18.46MInsider
James M. Simmons24.48%1,666,627$5.90MInsider
David B. Goodson24.14%1,643,324$5.82MInsider
Dbg Living Trust Bd8.86%603,324$2.14MInsider
Anthony Digiandomenico8.00%544,478$1.93MInsider
Christopher A. Marlett6.94%472,697$1.67MInsider
Geoffrey D. Osler6.25%425,249$1.51MInsider

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CLIR vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLIR0.00%100.00%Net BuyingNet Buying
LIQT0.02%99.98%Net Buying
ZONE0.02%8.15%Net BuyingNet Buying
RAIN0.01%52.56%Net BuyingNet Buying
TOMZ0.01%39.81%Net Buying

Clearsign Technologies Stock Ownership FAQ

Who owns Clearsign Technologies?

Clearsign Technologies (NASDAQ: CLIR) is owned by 0.01% institutional shareholders, 643.10% Clearsign Technologies insiders, and 0.00% retail investors. Robert Thurston Hoffman Sr. is the largest individual Clearsign Technologies shareholder, owning 16.19M shares representing 237.80% of the company. Robert Thurston Hoffman Sr.'s Clearsign Technologies shares are currently valued at $56.01M.

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