Call Options

8 transactions
Quarter Operation Price Per call calls change calls Held SEC Form
Q4 2021

Jan 18, 2022

SELL
$1.24 - $2.18 $1,240 - $2,180
-1,000 Closed
0 $0
Q2 2021

Jul 19, 2021

BUY
$3.99 - $5.8 $3,990 - $5,800
1,000 New
1,000 $0
Q1 2021

Apr 26, 2021

SELL
$2.88 - $5.68 $18,720 - $36,920
-6,500 Closed
0 $0
Q4 2020

Jan 21, 2021

BUY
$2.23 - $3.35 $12,042 - $18,090
5,400 Added 490.91%
6,500 $4,000
Q3 2020

Oct 27, 2020

SELL
$2.08 - $2.87 $34,528 - $47,642
-16,600 Reduced 93.79%
1,100 $0
Q2 2020

Jul 22, 2020

BUY
$0.49 - $2.55 $8,673 - $45,135
17,700 New
17,700 $4,000
Q4 2018

Feb 05, 2019

SELL
$0.88 - $1.75 $968 - $1,925
-1,100 Closed
0 $0
Q2 2018

Aug 10, 2018

BUY
$1.75 - $2.15 $1,925 - $2,365
1,100 New
1,100 $0

Others Institutions Holding CLIR

About ClearSign Technologies Corp


  • Ticker CLIR
  • Exchange NASDAQ
  • Sector Industrials
  • Industry Pollution & Treatment Controls
  • Shares Outstandng 37,951,600
  • Market Cap $42.9M
  • Description
  • ClearSign Technologies Corporation designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States and the People's Republic of China. Its ClearSign Core Burner Technology consists of an indus...
More about CLIR
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