ClearSign Technologies Corp (CLIR) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding February 19, 2026, ClearSign Technologies's top three insider stakeholders include TenPercentOwner Robert Thurston Sr Hoffman (9.54Mn shares), Chief Executive Officer Colin James Deller (171.85K shares), Director Bruce Alan Pate (150.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Robert Thurston Sr Hoffman 9,539,857 26 Jun, 2024
Colin James Deller Chief Executive Officer 171,853 24 Feb, 2025
Bruce Alan Pate 150,000 16 Jun, 2022
Brent Hinds Chief Financial Officer 124,256 04 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Feb, 2026 Brent Hinds Common Stock D 3,711 $0.60 124,256 D F
02 Feb, 2026 Brent Hinds Common Stock A 10,127 - 127,967 D M
24 Feb, 2025 Brent Hinds Common Stock A 7,547 - 120,476 D M
24 Feb, 2025 Brent Hinds Common Stock D 2,636 $0.80 117,840 D F
20 Feb, 2025 Colin James Deller - - 221,699 D
20 Feb, 2025 Colin James Deller Common Stock D 49,846 $0.86 171,853 D F
20 Feb, 2025 Colin James Deller Common Stock A 100,393 $0.00 221,699 D A
20 Feb, 2025 Colin James Deller - - 171,853 D
20 Feb, 2025 Brent Hinds Common Stock D 18,757 $0.86 112,929 D F
20 Feb, 2025 Brent Hinds Common Stock A 51,176 $0.00 131,686 D A
24 Jun, 2024 Robert Thurston Sr Hoffman - - 9,539,857 I
24 Jun, 2024 Robert Thurston Sr Hoffman Common Stock A 3,350,000 $0.91 9,539,857 I P
22 Feb, 2024 Colin James Deller Common Stock A 131,121 $0.00 186,408 D A
22 Feb, 2024 Colin James Deller Common Stock D 65,102 $1.06 121,306 D F
22 Feb, 2024 Colin James Deller - - 121,306 D
22 Feb, 2024 Colin James Deller - - 186,408 D
22 Feb, 2024 Brent Hinds Common Stock D 16,520 $1.06 72,431 D F
22 Feb, 2024 Brent Hinds Common Stock A 45,075 $0.00 88,951 D A
02 Feb, 2024 Brent Hinds Common Stock D 3,712 $1.01 65,549 D F
02 Feb, 2024 Brent Hinds Common Stock A 10,126 - 69,261 D M