A detailed history of Black Rock Inc. transactions in Clear Sign Technologies Corp stock. As of the latest transaction made, Black Rock Inc. holds 267,593 shares of CLIR stock, worth $222,102. This represents 0.0% of its overall portfolio holdings.

Number of Shares
267,593
Previous 276,691 3.29%
Holding current value
$222,102
Previous $307,000 15.64%
% of portfolio
0.0%
Previous 0.0%

Shares

12 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 10, 2024

SELL
$0.93 - $1.28 $8,461 - $11,645
-9,098 Reduced 3.29%
267,593 $259,000
Q4 2023

Feb 13, 2024

SELL
$0.81 - $1.5 $549 - $1,017
-678 Reduced 0.24%
276,691 $307,000
Q3 2023

Nov 13, 2023

SELL
$0.91 - $1.46 $4,081 - $6,548
-4,485 Reduced 1.59%
277,369 $302,000
Q2 2023

Aug 11, 2023

BUY
$0.79 - $1.63 $11,443 - $23,612
14,486 Added 5.42%
281,854 $369,000
Q1 2023

May 12, 2023

BUY
$0.53 - $0.85 $963 - $1,544
1,817 Added 0.68%
267,368 $213,000
Q4 2022

Feb 13, 2023

BUY
$0.54 - $0.83 $606 - $932
1,123 Added 0.42%
265,551 $143,000
Q3 2022

Nov 14, 2022

SELL
$0.85 - $1.26 $1,633 - $2,421
-1,922 Reduced 0.72%
264,428 $242,000
Q2 2022

Aug 12, 2022

BUY
$1.05 - $1.74 $4,268 - $7,073
4,065 Added 1.55%
266,350 $322,000
Q1 2022

May 12, 2022

SELL
$1.05 - $1.67 $3,090 - $4,914
-2,943 Reduced 1.11%
262,285 $428,000
Q4 2021

Feb 10, 2022

BUY
$1.24 - $2.18 $31,203 - $54,857
25,164 Added 10.48%
265,228 $366,000
Q3 2021

Nov 09, 2021

SELL
$2.0 - $4.9 $2,616 - $6,409
-1,308 Reduced 0.54%
240,064 $481,000
Q2 2021

Aug 11, 2021

BUY
$3.99 - $5.8 $963,074 - $1.4 Million
241,372 New
241,372 $1.16 Million

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 $31.5M
  • 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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