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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
TECOGEN INC: TGEN
Price: 7/25/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$8.50 $9.38 $0.69 $251 30 639 0.0% 4.5% 6.23% 43.27%
Exch Sector Industry Sub-Industry
NYSE Ameri Manufacturing Industrial And Commercial Machinery And Computer Equipment Air- Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
LAFAILLE STEPHEN
VP,BD
JB
---
11,976
---
7/24/25
---
---
12,376
2,994.0
D
R
7/28/25 - 11:12:02 am
2
    
 
WHITING JOHN KIMBALL IV
GC,SEC
JB
---
11,976
---
7/24/25
---
---
12,612
1,883.0
D
R
7/28/25 - 11:09:04 am
3
    
 
DESCHENES ROGER P
CAO
JB
---
17,964
---
7/24/25
---
---
42,962
71.9
D
R
7/28/25 - 11:07:14 am
4
    
 
RANGESH ABINAND
CEO,CFO,DIR
JB
---
53,892
---
7/24/25
---
---
64,193
523.2
D
R
7/28/25 - 11:04:32 am
5
    
 
PANORA ROBERT A
COO,PR
S
$208,422
32,700
6/23/25
6/24/25
$6.36
$6.86
62,523
-34.3
D
A
7/14/25 - 9:02:25 am
6
    
 
LAFAILLE STEPHEN
VP,BD
OS
$72,500
10,000
---
6/23/25
---
$7.25
400
-96.2
D
---
6/24/25 - 5:41:57 pm
7
    
 
LAFAILLE STEPHEN
VP,BD
OE
$11,000
10,000
---
6/23/25
---
$1.10
10,400
2,500.0
D
---
6/24/25 - 5:41:57 pm
8
    
 
PANORA ROBERT A
COO,PR
JS*
$65,390
13,000
---
6/18/25
---
$5.03
95,223
-12.0
D
A
7/14/25 - 9:02:25 am
9
    
 
PANORA ROBERT A
COO,PR
OE
$89,050
95,223
---
6/16/25
$0.71
$1.10
108,223
732.5
D
A
7/14/25 - 9:02:25 am
10
    
 
PANORA ROBERT A
COO,PR
OB
$89,101
95,223
---
6/16/25
$0.71
$1.10
165,223
136.0
D
---
6/20/25 - 8:50:37 am
11
    
 
LAFAILLE STEPHEN
VP,BD
OS
$224,500
40,000
6/4/25
6/6/25
$5.00
$5.98
400
-99.0
D
---
6/24/25 - 5:41:57 pm
12
    
 
LAFAILLE STEPHEN
VP,BD
OE
$45,250
50,000
6/3/25
6/6/25
$0.71
$1.10
25,400
---
D
---
6/24/25 - 5:41:57 pm
13
    
 
PANORA ROBERT A
COO,PR
S
$155,000
31,000
---
6/4/25
---
$5.00
13,000
-70.5
D
A
7/14/25 - 9:02:25 am
14
    
 
PANORA ROBERT A
COO,PR
JS*
$121,940
26,000
---
6/3/25
---
$4.69
44,000
-37.1
D
A
7/14/25 - 9:02:25 am
15
    
 
LAFAILLE STEPHEN
VP,BD
JS*
$48,800
10,000
---
6/3/25
---
$4.88
400
-96.2
D
---
6/24/25 - 5:41:57 pm
16
    
 
PANORA ROBERT A
COO,PR
OE
$49,700
70,000
---
5/27/25
---
$0.71
70,000
New
D
A
7/14/25 - 9:00:45 am
17
1y
17
47%
146%
5
LEWIS EARL R
DIR
OB
$48,125
33,750
---
5/6/25
---
$1.10
1,001,006
3.5
D
---
5/7/25 - 9:26:26 am
18
    
 
LAFAILLE STEPHEN
VP,BD
B
$1,000
400
---
3/3/25
---
$2.50
400
New
D
---
6/24/25 - 5:41:57 pm
19
    
 
LEWIS EARL R
DIR
OE
$71,000
100,000
---
11/22/24
---
$0.71
727,000
15.9
D
A
3/25/25 - 5:12:06 pm
20
1y
17
47%
146%
5
LEWIS EARL R
DIR
JB*
$71,000
100,000
---
11/22/24
---
$0.71
737,000
15.7
D
---
12/6/24 - 9:14:34 am
21
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$8,380
10,000
---
9/27/24
---
$0.84
988,951
1.0
D
---
9/27/24 - 12:55:59 pm
22
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
JB*
$8,597
10,000
---
9/25/24
---
$0.86
978,951
1.0
D
---
9/25/24 - 4:29:11 pm
23
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$8,950
10,000
---
8/19/24
---
$0.90
968,951
1.0
D
---
8/20/24 - 10:18:41 am
24
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$6,800
10,000
---
7/15/24
---
$0.68
625,000
1.6
D
A
3/25/25 - 5:09:40 pm
25
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$6,800
10,000
---
7/15/24
---
$0.68
635,000
1.6
I
---
7/17/24 - 4:38:17 pm
26
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$6,800
10,000
---
7/15/24
---
$0.68
625,000
1.6
D
---
7/15/24 - 12:09:24 pm
27
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
JB*
$14,603
22,466
---
7/10/24
---
$0.65
958,951
2.4
D
---
7/12/24 - 4:44:11 pm
28
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$8,000
10,000
---
5/29/24
---
$0.80
935,220
1.1
D
---
5/29/24 - 3:03:36 pm
29
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$1,012
1,265
---
5/28/24
---
$0.80
936,485
0.1
D
---
5/29/24 - 3:25:52 pm
30
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$9,516
11,935
5/22/24
5/24/24
$0.79
$0.80
925,220
1.3
D
---
5/28/24 - 10:12:16 am
31
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$10,902
13,800
---
5/21/24
---
$0.79
913,285
1.5
D
---
5/22/24 - 2:22:06 pm
32
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$2,248
3,000
---
5/16/24
---
$0.75
899,485
0.3
D
---
5/17/24 - 9:15:34 am
33
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$7,400
10,000
---
5/15/24
---
$0.74
896,485
1.1
D
---
5/16/24 - 9:18:23 am
34
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$3,750
5,000
---
5/1/24
---
$0.75
615,000
0.8
D
---
5/3/24 - 4:08:40 pm
35
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$6,800
10,000
---
4/24/24
---
$0.68
610,000
1.7
D
---
4/24/24 - 3:37:23 pm
36
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$3,354
5,000
---
4/24/24
---
$0.67
886,485
0.6
D
---
4/24/24 - 11:38:25 am
37
    
 
LAFAILLE STEPHEN
VP,BD
3
---
---
---
4/23/24
---
---
400
---
D
---
6/24/25 - 12:59:38 pm
38
    
 
DESCHENES ROGER P
CAO
3
---
---
---
4/23/24
---
---
24,998
---
D
---
6/24/25 - 12:14:24 pm
39
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$4,103
6,000
---
4/23/24
---
$0.68
881,485
0.7
D
---
4/23/24 - 2:14:25 pm
40
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$679
1,000
---
4/16/24
---
$0.68
875,485
0.1
D
---
4/16/24 - 5:34:37 pm
41
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$700
1,000
---
4/15/24
---
$0.70
874,485
0.1
D
---
4/16/24 - 10:11:55 am
42
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$700
1,000
---
4/12/24
---
$0.70
873,485
0.1
D
---
4/12/24 - 5:11:28 pm
43
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$700
1,000
---
4/11/24
---
$0.70
872,485
0.1
D
---
4/11/24 - 5:25:58 pm
44
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$700
1,000
---
4/9/24
---
$0.70
871,485
0.1
D
---
4/9/24 - 3:35:08 pm
45
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$700
1,000
---
4/8/24
---
$0.70
870,485
0.1
D
---
4/8/24 - 4:08:23 pm
46
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$7,000
10,000
3/27/24
4/1/24
---
$0.70
869,485
1.2
D
---
4/2/24 - 11:37:21 am
47
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$7,139
9,152
---
1/24/24
---
$0.78
560,835
1.7
D
---
1/25/24 - 9:29:24 am
48
1y
17
47%
146%
5
LEWIS EARL R
DIR
B
$6,800
10,000
---
1/23/24
---
$0.68
551,683
1.8
D
---
1/23/24 - 5:54:14 pm
49
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
B
$7,700
10,000
---
1/22/24
---
$0.77
859,485
1.2
D
---
1/23/24 - 5:45:27 pm
50
1y
61
44%
103%
5
HATSOPOULOS JOHN
DIR
JB*
$7,346
10,000
---
1/18/24
---
$0.73
849,485
1.2
D
---
1/19/24 - 10:42:53 am
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