Stock chart
Ticker: TGEN Exchange: NAS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2024-07-17 2024-07-15 B Purchase

LEWIS EARL R

Non-Executive Director
1,000 +1.6%
0.68
USD 6,800
1,000 +1.6% 0.68 USD 100,000
2024-07-15 2024-07-15 B Purchase

LEWIS EARL R

Non-Executive Director
1,000 +1.6%
0.68
USD 6,800
1,000 +1.6% 0.68 USD 100,000
2024-07-12 2024-07-10 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +2.4%
0.65
USD 14,603
1,000 +2.4% 0.65 USD 100,000
2024-05-29 2024-05-29 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
10,000 +1.1%
0.80
USD 8,000
10,000 +1.1% 0.80 USD 8,000
2024-05-29 2024-05-28 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,265 +0.1%
0.80
USD 1,012
1,265 +0.1% 0.80 USD 1,012
2024-05-28 2024-05-24 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
8,735 +1.0%
0.80
USD 6,988
8,735 +1.0% 0.80 USD 6,988
2024-05-28 2024-05-22 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
3,200 +0.4%
0.79
USD 2,528
3,200 +0.4% 0.79 USD 2,528
2024-05-17 2024-05-16 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
3,000 +0.3%
0.75
USD 2,248
3,000 +0.3% 0.75 USD 2,248
2024-05-03 2024-05-01 B Purchase

LEWIS EARL R

Non-Executive Director
5,000 +0.8%
0.75
USD 3,750
5,000 +0.8% 0.75 USD 3,750
2024-04-24 2024-04-24 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +1.7%
0.68
USD 6,800
10,000 +1.7% 0.68 USD 6,800
2024-04-24 2024-04-24 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +0.6%
0.67
USD 3,354
5,000 +0.6% 0.67 USD 3,354
2024-04-23 2024-04-23 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.68
USD 678
1,000 +0.1% 0.68 USD 678
2024-04-23 2024-04-23 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +0.6%
0.69
USD 3,425
5,000 +0.6% 0.69 USD 3,425
2024-04-16 2024-04-16 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.68
USD 679
1,000 +0.1% 0.68 USD 679
2024-04-16 2024-04-15 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.70
USD 700
1,000 +0.1% 0.70 USD 700
2024-04-12 2024-04-12 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.70
USD 700
1,000 +0.1% 0.70 USD 700
2024-04-11 2024-04-11 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.70
USD 700
1,000 +0.1% 0.70 USD 700
2024-04-09 2024-04-09 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.70
USD 700
1,000 +0.1% 0.70 USD 700
2024-04-08 2024-04-08 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.1%
0.70
USD 700
1,000 +0.1% 0.70 USD 700
2024-04-02 2024-04-01 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +0.6%
0.70
USD 3,500
5,000 +0.6% 0.70 USD 3,500
2024-04-02 2024-04-01 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
612 +0.1%
0.70
USD 428
612 +0.1% 0.70 USD 428
2024-04-02 2024-03-28 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
2,388 +0.3%
0.70
USD 1,672
2,388 +0.3% 0.70 USD 1,672
2024-04-02 2024-03-27 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
2,000 +0.2%
0.70
USD 1,400
2,000 +0.2% 0.70 USD 1,400
2024-01-25 2024-01-24 B Purchase

LEWIS EARL R

Non-Executive Director
9,152 +1.7%
0.78
USD 7,139
9,152 +1.7% 0.78 USD 7,139
2024-01-23 2024-01-23 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +1.8%
0.68
USD 6,800
10,000 +1.8% 0.68 USD 6,800
2024-01-23 2024-01-22 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
10,000 +1.2%
0.77
USD 7,700
10,000 +1.2% 0.77 USD 7,700
2024-01-19 2024-01-18 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
10,000 +1.2%
0.73
USD 7,346
10,000 +1.2% 0.73 USD 7,346
2024-01-16 2024-01-16 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
100,000 +13.5%
0.73
USD 73,460
100,000 +13.5% 0.73 USD 73,460
2023-12-28 2023-12-27 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
25,000 +3.5%
0.80
USD 20,000
25,000 +3.5% 0.80 USD 20,000
2023-12-26 2023-12-22 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
25,000 +3.6%
0.80
USD 20,000
25,000 +3.6% 0.80 USD 20,000
2023-12-15 2023-12-14 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
44,000 +6.8%
0.90
USD 39,600
44,000 +6.8% 0.90 USD 39,600
2023-12-15 2023-12-14 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +0.8%
0.85
USD 4,250
5,000 +0.8% 0.85 USD 4,250
2023-12-15 2023-12-14 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
0.83
USD 825
1,000 +0.2% 0.83 USD 825
2023-11-21 2023-11-20 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
4,000 +0.6%
0.85
USD 3,380
4,000 +0.6% 0.85 USD 3,380
2023-11-17 2023-11-17 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
46,000 +7.8%
0.85
USD 38,870
46,000 +7.8% 0.85 USD 38,870
2023-11-17 2023-11-14 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
100 +0.0%
0.85
USD 85
100 +0.0% 0.85 USD 85
2023-10-20 2023-10-19 B Purchase

Hirsch Susan B

Non-Executive Director
5,000 +2.0%
0.92
USD 4,575
5,000 +2.0% 0.92 USD 4,575
2023-10-18 2023-10-18 B Purchase

LEWIS EARL R

Non-Executive Director
25,000 +4.8%
0.91
USD 22,750
25,000 +4.8% 0.91 USD 22,750
2023-10-17 2023-10-17 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
50,000 +9.3%
0.80
USD 40,000
50,000 +9.3% 0.80 USD 40,000
2023-10-13 2023-10-12 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
50,000 +10.2%
0.80
USD 40,000
50,000 +10.2% 0.80 USD 40,000
2023-10-11 2023-10-09 B Purchase

LEWIS EARL R

Non-Executive Director
2,000 +0.4%
0.80
USD 1,600
2,000 +0.4% 0.80 USD 1,600
2023-10-02 2023-09-29 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
2,000 +0.4%
0.98
USD 1,960
2,000 +0.4% 0.98 USD 1,960
2023-09-28 2023-09-27 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,380 +0.3%
0.91
USD 1,256
1,380 +0.3% 0.91 USD 1,256
2023-09-27 2023-09-26 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
2,000 +0.4%
0.92
USD 1,840
2,000 +0.4% 0.92 USD 1,840
2023-09-19 2023-09-19 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +1.0%
0.91
USD 4,550
5,000 +1.0% 0.91 USD 4,550
2023-09-11 2023-09-08 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +2.0%
0.95
USD 9,500
10,000 +2.0% 0.95 USD 9,500
2023-09-08 2023-09-07 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
200 +0.0%
1.00
USD 200
200 +0.0% 1.00 USD 200
2023-09-06 2023-09-05 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +2.0%
1.00
USD 10,000
10,000 +2.0% 1.00 USD 10,000
2023-09-06 2023-09-05 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
10,000 +2.1%
0.97
USD 9,700
10,000 +2.1% 0.97 USD 9,700
2023-09-01 2023-08-30 B Purchase

Rangesh Abinand

Chief Executive Officer

Executive Director
800 +8.4%
1.02
USD 816
800 +8.4% 1.02 USD 816
2023-09-01 2023-08-23 B Purchase

Rangesh Abinand

Chief Executive Officer

Executive Director
200 +2.2%
1.02
USD 204
200 +2.2% 1.02 USD 204
2023-08-23 2023-08-22 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +1.1%
1.12
USD 5,600
5,000 +1.1% 1.12 USD 5,600
2023-08-17 2023-08-17 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
4,674 +1.0%
1.04
USD 4,857
4,674 +1.0% 1.04 USD 4,857
2023-09-01 2023-08-15 B Purchase

Rangesh Abinand

Chief Executive Officer

Executive Director
1
0.95
USD 1
1 0.95 USD 1
2023-08-17 2023-08-15 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +1.1%
1.00
USD 5,000
5,000 +1.1% 1.00 USD 5,000
2023-08-17 2023-08-14 B Purchase

LEWIS EARL R

Non-Executive Director
1,500 +0.3%
1.00
USD 1,500
1,500 +0.3% 1.00 USD 1,500
2023-06-27 2023-06-26 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
0.96
USD
1,000 +0.2% 0.96 USD 960
2023-06-21 2023-06-20 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
3,000 +0.7%
1.00
USD
3,000 +0.7% 1.00 USD 3,000
2023-06-20 2023-06-20 B Purchase

Rangesh Abinand

Chief Executive Officer

Executive Director
1,500 +19.2%
1.04
USD
1,500 +19.2% 1.04 USD 1,560
2023-06-15 2023-06-15 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +1.1%
1.11
USD
5,000 +1.1% 1.11 USD 5,550
2023-06-12 2023-06-12 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
5,000 +1.1%
1.12
USD
5,000 +1.1% 1.12 USD 5,600
2023-06-09 2023-06-08 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
500 +0.1%
1.09
USD
500 +0.1% 1.09 USD 546
2023-06-08 2023-06-07 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
3,000 +0.7%
1.00
USD
3,000 +0.7% 1.00 USD 3,000
2023-06-08 2023-06-07 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
7,000 +1.6%
1.00
USD
7,000 +1.6% 1.00 USD 6,986
2023-06-07 2023-06-06 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
7,000 +1.7%
1.00
USD
7,000 +1.7% 1.00 USD 7,000
2023-06-06 2023-06-06 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
1.14
USD
1,000 +0.2% 1.14 USD 1,140
2023-06-05 2023-06-02 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
1.09
USD
1,000 +0.2% 1.09 USD 1,090
2023-05-26 2023-05-26 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
1.17
USD
1,000 +0.2% 1.17 USD 1,170
2023-05-26 2023-05-25 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
1.17
USD
1,000 +0.2% 1.17 USD 1,170
2023-05-26 2023-05-23 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
1,000 +0.2%
1.17
USD
1,000 +0.2% 1.17 USD 1,170
2023-05-16 2023-05-15 B Purchase

HATSOPOULOS JOHN

Non-Executive Director
3,649 +0.9%
1.00
USD
3,649 +0.9% 1.00 USD 3,645
2023-05-16 2023-05-15 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +2.1%
0.96
USD
10,000 +2.1% 0.96 USD 9,600
2023-03-30 2023-03-29 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +2.1%
1.18
USD
10,000 +2.1% 1.18 USD 11,800
2023-03-30 2023-03-29 B Purchase

LEWIS EARL R

Non-Executive Director
10,000 +2.2%
1.17
USD
10,000 +2.2% 1.17 USD 11,700
2023-03-30 2023-03-28 B Purchase

LEWIS EARL R

Non-Executive Director
3,200 +0.7%
1.02
USD
3,200 +0.7% 1.02 USD 3,264