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CIK 0001434524 · Non-accelerated filer<br>Smaller reporting company

ClearSign Technologies Corp

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Ticker
CLIR
Exchange
Nasdaq
Industry
Industrial Instruments For Measurement, Display, and Control
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
(918) 500-7312
Business address
8023 E. 63RD PLACE, SUITE 101, TULSA, OK, 74133
Former names
CLEARSIGN COMBUSTION CORP
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-26 Deller Colin James Chief Executive Officer Grant or award +210,043 381,896
2026-02-26 Deller Colin James Chief Executive Officer Shares withheld for taxes −105,022 $0.56 $59K 276,874
2026-02-26 Hinds Brent Chief Financial Officer Grant or award +56,645 191,585
2026-02-26 Hinds Brent Chief Financial Officer Shares withheld for taxes −20,761 $0.56 $12K 170,824
2026-02-26 Hinds Brent Chief Financial Officer Grant or award · Restricted Stock Unit +47,009 47,009
2026-02-22 Hinds Brent Chief Financial Officer Option exercise +7,547 137,705
2026-02-22 Hinds Brent Chief Financial Officer Shares withheld for taxes −2,765 $0.59 $2K 134,940
2026-02-22 Hinds Brent Chief Financial Officer Option exercise · Restricted Stock Unit −7,547 7,547
2026-02-20 Hinds Brent Chief Financial Officer Option exercise +9,315 133,571
2026-02-20 Hinds Brent Chief Financial Officer Shares withheld for taxes −3,413 $0.59 $2K 130,158
2026-02-20 Hinds Brent Chief Financial Officer Option exercise · Restricted Stock Unit −9,315 18,631
2026-02-02 Hinds Brent Chief Financial Officer Option exercise +10,127 127,967
2026-02-02 Hinds Brent Chief Financial Officer Shares withheld for taxes −3,711 $0.60 $2K 124,256
2026-02-02 Hinds Brent Chief Financial Officer Option exercise · Restricted Stock Unit −10,127 10,127
2025-10-01 Basenese Lou Director Grant or award · Restricted Stock Units +24,621 70,266
2025-10-01 Silva Gil Todd Director Grant or award · Restricted Stock Units +26,830 120,469
2025-07-01 Maley David M Director Grant or award · Restricted Stock Units +9,452 105,443
2025-07-01 Silva Gil Todd Director Grant or award · Restricted Stock Units +32,638 93,639
2025-07-01 de Lacy Catharine Director Grant or award · Restricted Stock Units +32,175 218,957
2025-07-01 Schrecker Judith S Director Grant or award · Restricted Stock Units +46,296 431,957

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