← All stocks

ClearSign Technologies Corp

CLIR Net buying
CIK 0001434524 #4904 in the set updated 17 Sep 2026
Bought (120 mo)
$7.22M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
+$7.22M
+$7.22M against sales at will

By person

17 insiders · 39 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
HOFFMAN Robert Thurston Sr
10% owner
$4.82M (4)
+$4.82M
21,066,929
$74.58M
+21.2%
PASQUESI JOHN M
10% owner
$1.77M (1)
+$1.77M
1,343,477
$4.76M
+59.3%
BELL LON E
Director
$249.75K (1)
+$249.75K
561,857
$1.99M
+59.0%
Pate Bruce Alan
Director
$221.64K (3)
+$221.64K
525,000
$1.86M
+52.2%
Meline Susanne
Director
$60.00K (2)
+$60.00K
81,522
$288.59K
+198.9%
Kendrick Donald W
Chief Technology Officer
$45.88K (5)
+$45.88K
74,833
$264.91K
+274.2%
Silva Gil Todd
Director
$27.68K (4)
+$27.68K
6,000
$21.24K
PIRNAT STEPHEN E
Chief Executive Officer
$25.45K (2)
+$25.45K
113,947
$403.37K
+172.5%
LEE ANDREW U
See Remarks
$3.20K (1)
+$3.20K
25,689
$90.94K
+185.4%
Ruiz Roberto
Chief Operating Officer
$3.19K (1)
+$3.19K
32,873
$116.37K
+257.3%
Fike Brian Grant
Chief Financial Officer
$2.25K (1)
+$2.25K
11,071
$39.19K
+1,008%
Deller Colin James
Chief Executive Officer
276,874
$980.13K
HARMON JAMES N
Former Chief Financial Officer
206,041
$729.39K
+33.5%
Hinds Brent
Chief Financial Officer
170,824
$604.72K
ISAACSON SCOTT P
Director
152,823
$540.99K
+85.4%
Ott Jeffrey L
Director
93,483
$330.93K
+170.0%
COLANNINO JOSEPH
See Remarks
52,711
$186.60K
+48.0%

No percentages here. This company's share count has moved by a factor of 9.8 over the window, from 5,408,723 to 53,273,405 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
BELL LON E
25 Jan 2017
Director
Exercised, kept
35,336
$4.00
$141.34K
COLANNINO JOSEPH
25 Jan 2017
Senior VP of Engineering
Exercised, kept indirect
5,000
$4.00
$20.00K
COLANNINO JOSEPH
25 Jan 2017
Senior VP of Engineering
Exercised, kept indirect
5,155
$4.00
$20.62K
HARMON JAMES N
25 Jan 2017
Chief Financial Officer
Exercised, kept
27,668
$4.00
$110.67K
HARMON JAMES N
25 Jan 2017
Chief Financial Officer
Exercised, kept indirect
3,200
$4.00
$12.80K
ISAACSON SCOTT P
25 Jan 2017
Director
Exercised, kept
8,242
$4.00
$32.97K
Kendrick Donald W
25 Jan 2017
See Remarks
Exercised, kept indirect
2,600
$4.00
$10.40K
Kendrick Donald W
25 Jan 2017
See Remarks
Exercised, kept
1,400
$4.00
$5.60K
LEE ANDREW U
25 Jan 2017
See Remarks
Exercised, kept indirect
800
$4.00
$3.20K
LEE ANDREW U
25 Jan 2017
See Remarks
Exercised, kept
1,000
$4.00
$4.00K
Ott Jeffrey L
25 Jan 2017
Director
Exercised, kept
3,462
$4.00
$13.85K
PIRNAT STEPHEN E
25 Jan 2017
Chief Executive Officer
Exercised, kept
8,361
$4.00
$33.44K
Ruiz Roberto
25 Jan 2017
Chief Operating Officer
Exercised, kept indirect
760
$4.00
$3.04K
Ruiz Roberto
25 Jan 2017
Chief Operating Officer
Exercised, kept
1,080
$4.00
$4.32K

What was left out

Form 4 filings counted 200
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 2,868,106
History held since 31 Oct 2016