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

14
Insider
Date
Role
Action
Shares
Price
Amount
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
Show all 39 transactions →

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