InsiderClue
Stocks · Technology · Industrial Instruments For Measurement, Display, and Control

ClearSign Technologies Corp

CLIR Clue Score69
United States Fiscal year ends December CIK 0001434524 Results filed 20 Aug 2026
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What the insiders did Net buying

Individual transactions

39
Insider
Date
Role
Action
Shares
Price
Amount
John M Pasquesi
22 Jul 2026
10% owner
Buy indirect
500,000
$3.54
$1.77M
Gil Todd Silva
23 Apr 2026
Director
Buy
1,000
$5.25
$5.25K
Gil Todd Silva
23 Apr 2026
Director
Buy
1,000
$5.32
$5.32K
Gil Todd Silva
17 Mar 2026
Director
Buy
2,000
$4.20
$8.40K
Gil Todd Silva
16 Mar 2026
Director
Buy
2,000
$4.36
$8.71K
Robert Thurston HOFFMAN Sr
24 Jun 2024
10% owner
Buy indirect
3,350,000
$0.91
$3.05M
Robert Thurston HOFFMAN Sr
8 Jul 2022
Director
Buy
0
$0.00
$0.00
Robert Thurston HOFFMAN Sr
8 Jul 2022
Director
Buy indirect
0
$0.00
$0.00
Robert Thurston HOFFMAN Sr
8 Jul 2022
Director
Buy indirect
1,591,594
$1.11
$1.77M
Bruce Alan Pate
14 Jun 2022
Director
Buy indirect
45,000
$1.12
$50.40K
Bruce Alan Pate
24 Aug 2020
Director
Buy indirect
35,000
$2.00
$70.00K
Susanne Meline
24 Aug 2020
Director
Buy
5,000
$2.00
$10.00K
Bruce Alan Pate
17 May 2019
Director
Buy indirect
100,000
$1.01
$101.24K
Donald W Kendrick
19 Mar 2019
Chief Technology Officer
Buy indirect
5,000
$0.94
$4.70K
Donald W Kendrick
19 Mar 2019
Chief Technology Officer
Buy
5,000
$0.94
$4.70K
Donald W Kendrick
18 Dec 2018
Chief Technology Officer
Buy
10,000
$1.14
$11.40K
Lon E Bell
27 Feb 2018
Director
Buy
111,000
$2.25
$249.75K
Brian Grant Fike
27 Feb 2018
Interim CFO
Buy
1,000
$2.25
$2.25K
Susanne Meline
27 Feb 2018
Director
Buy
22,222
$2.25
$50.00K
Stephen E Pirnat
27 Feb 2018
Chief Executive Officer
Buy
10,000
$2.25
$22.50K
Donald W Kendrick
4 Dec 2017
Chief Technology Officer
Buy indirect
5,000
$2.13
$10.63K
Donald W Kendrick
22 Aug 2017
Chief Technology Officer
Buy indirect
5,000
$2.89
$14.45K
Stephen E Pirnat
21 Aug 2017
Chief Executive Officer
Buy
1,000
$2.95
$2.95K
Roberto Ruiz
18 Aug 2017
Chief Operating Officer
Buy indirect
1,000
$3.19
$3.19K
Andrew U Lee
17 Aug 2017
See Remarks
Buy indirect
1,000
$3.20
$3.20K
Lon E Bell
25 Jan 2017
Director
Exercised, kept
35,336
$4.00
$141.34K
Joseph Colannino
25 Jan 2017
Senior VP of Engineering
Exercised, kept indirect
5,000
$4.00
$20.00K
Joseph Colannino
25 Jan 2017
Senior VP of Engineering
Exercised, kept indirect
5,155
$4.00
$20.62K
James N Harmon
25 Jan 2017
Chief Financial Officer
Exercised, kept
27,668
$4.00
$110.67K
James N Harmon
25 Jan 2017
Chief Financial Officer
Exercised, kept indirect
3,200
$4.00
$12.80K
Scott P Isaacson
25 Jan 2017
Director
Exercised, kept
8,242
$4.00
$32.97K
Donald W Kendrick
25 Jan 2017
See Remarks
Exercised, kept indirect
2,600
$4.00
$10.40K
Donald W Kendrick
25 Jan 2017
See Remarks
Exercised, kept
1,400
$4.00
$5.60K
Andrew U Lee
25 Jan 2017
See Remarks
Exercised, kept indirect
800
$4.00
$3.20K
Andrew U Lee
25 Jan 2017
See Remarks
Exercised, kept
1,000
$4.00
$4.00K
Jeffrey L Ott
25 Jan 2017
Director
Exercised, kept
3,462
$4.00
$13.85K
Stephen E Pirnat
25 Jan 2017
Chief Executive Officer
Exercised, kept
8,361
$4.00
$33.44K
Roberto Ruiz
25 Jan 2017
Chief Operating Officer
Exercised, kept indirect
760
$4.00
$3.04K
Roberto Ruiz
25 Jan 2017
Chief Operating Officer
Exercised, kept
1,080
$4.00
$4.32K

What was left out

Form 4 filings counted 201
Amendments (4/A) skipped 11
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 2,857,078
History held since 26 Apr 2012