Stock chart
Ticker: TON Exchange: LSE


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
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
2025-04-07 2025-04-03 B Purchase

Larsen Robert

Chief Financial Officer

Officer
1,000 +1.8%
15.20
USD 10,002
1,000 +1.8% 15.20 USD 100,000
2025-03-25 2025-03-24 B Purchase

Meyer David Joseph

Chairman

Executive Director
3,000 +2.2%
16.86
USD 50,580
3,000 +2.2% 16.86 USD 50,580
2025-03-25 2025-03-21 B Purchase

Meyer David Joseph

Chairman

Executive Director
22,524 +20.0%
16.83
USD 379,079
22,524 +20.0% 16.83 USD 379,079
2024-05-28 2024-05-28 B Purchase

Larsen Robert

Chief Financial Officer

Officer
275 +1.7%
17.99
USD 4,947
275 +1.7% 17.99 USD 4,947
2024-05-28 2024-05-28 B Purchase

Meyer David Joseph

Non-Executive Director
55,000 +3.1%
18.12
USD 996,600
55,000 +3.1% 18.12 USD 996,600
2024-04-03 2024-04-01 B Purchase

Larsen Robert

Chief Financial Officer

Officer
417 +2.5%
24.00
USD 10,008
417 +2.5% 24.00 USD 10,008
2023-03-22 2023-03-21 B Purchase

Erickson Stan K.

Non-Executive Director
3,000 +8.3%
29.67
USD 89,010
3,000 +8.3% 29.67 USD 89,010
2021-06-10 2021-06-10 S Sale

CHRISTIANSON TONY

Non-Executive Director
10,781 -5.7%
31.38
USD 338,308
10,781 -5.7% 31.38 USD 338,308
2021-06-10 2021-06-09 S Sale

CHRISTIANSON TONY

Non-Executive Director
28,818 -13.1%
31.35
USD 903,444
28,818 -13.1% 31.35 USD 903,444
2021-06-10 2021-06-08 S Sale

CHRISTIANSON TONY

Non-Executive Director
10,401 -4.5%
32.78
USD 340,945
10,401 -4.5% 32.78 USD 340,945
2021-06-01 2021-06-01 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
100,000 -5.4%
32.02
USD 3,202,000
100,000 -5.4% 32.02 USD 3,202,000
2021-06-01 2021-06-01 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
100,000 -47.0%
32.02
USD 3,202,000
100,000 -47.0% 32.02 USD 3,202,000
2021-06-01 2021-05-28 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
100,000 -5.1%
31.31
USD 3,131,000
100,000 -5.1% 31.31 USD 3,131,000
2021-06-01 2021-05-28 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
100,000 -32.0%
31.31
USD 3,131,000
100,000 -32.0% 31.31 USD 3,131,000
2021-04-15 2021-04-15 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
40,036 -2.0%
26.13
USD 1,046,141
40,036 -2.0% 26.13 USD 1,046,141
2021-01-15 2021-01-13 S Sale

Knutson Bryan J

Chief Operating Officer

Officer
4,500 -7.1%
22.01
USD 99,045
4,500 -7.1% 22.01 USD 99,045
2021-01-08 2021-01-06 S Sale

CHRISTIANSON TONY

Non-Executive Director
13,566 -5.6%
21.73
USD 294,789
13,566 -5.6% 21.73 USD 294,789
2021-01-07 2021-01-06 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
94,574 -15.6%
20.99
USD 1,985,108
94,574 -15.6% 20.99 USD 1,985,108
2020-12-17 2020-12-16 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
1,726 -0.3%
20.19
USD 34,848
1,726 -0.3% 20.19 USD 34,848
2020-12-17 2020-12-15 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
50,000 -2.3%
20.11
USD 1,005,500
50,000 -2.3% 20.11 USD 1,005,500
2020-12-17 2020-12-15 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
53,700 -8.1%
20.11
USD 1,079,907
53,700 -8.1% 20.11 USD 1,079,907
2020-12-10 2020-12-09 S Sale

Kalvoda Mark P.

Chief Financial Officer

Officer
12,000 -6.4%
19.82
USD 237,840
12,000 -6.4% 19.82 USD 237,840
2019-07-01 2019-06-27 S Sale

Knutson Bryan J

Chief Operating Officer

3,711 -11.6%
19.71
USD 73,144
3,711 -11.6% 19.71 USD 73,144
2019-06-28 2019-06-27 S Sale

CHRISTIANSON TONY

11,000 -4.3%
19.88
USD 218,680
11,000 -4.3% 19.88 USD 218,680
2019-06-28 2019-06-26 S Sale

CHRISTIANSON TONY

11,000 -4.1%
19.38
USD 213,180
11,000 -4.1% 19.38 USD 213,180
2018-11-30 2018-11-30 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
53,000 -7.4%
18.56
USD 983,680
53,000 -7.4% 18.56 USD 983,680
2018-06-01 2018-06-01 B Purchase

Erickson Stan K.

Non-Executive Director
3,000 +22.2%
18.06
USD 54,180
3,000 +22.2% 18.06 USD 54,180
2018-04-03 2018-04-03 S Sale

Knutson Bryan J

Chief Operating Officer

Officer
266 -3.7%
24.07
USD 6,403
266 -3.7% 24.07 USD 6,403
2018-04-03 2018-04-03 S Sale

Knutson Bryan J

Chief Operating Officer

Officer
2,108 -22.6%
23.89
USD 50,360
2,108 -22.6% 23.89 USD 50,360
2018-01-04 2018-01-03 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
61,796 -7.9%
21.85
USD 1,350,243
61,796 -7.9% 21.85 USD 1,350,243
2017-09-07 2017-09-06 B Purchase

Erickson Stan K.

8,302 +159.9%
12.50
USD 103,803
8,302 +159.9% 12.50 USD 103,803
2017-05-30 2017-05-26 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
44,950 -5.8%
17.25
USD 775,356
44,950 -5.8% 17.25 USD 775,356
2014-09-11 2014-09-10 B Purchase

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
90,250 +13.6%
13.01
USD 1,174,098
90,250 +13.6% 13.01 USD 1,174,098
2013-01-14 2013-01-11 S Sale

Kalvoda Mark P.

Chief Financial Officer

Officer
1,100 -8.3%
27.90
USD 30,691
1,100 -8.3% 27.90 USD 30,691
2012-12-28 2012-12-27 S Sale

Christianson Peter J.

President and COO

Executive Director
25,000 -4.3%
24.35
USD 608,750
25,000 -4.3% 24.35 USD 608,750
2012-12-28 2012-12-26 S Sale

Christianson Peter J.

President and COO

Executive Director
25,000 -4.2%
24.69
USD 617,250
25,000 -4.2% 24.69 USD 617,250
2012-07-12 2012-07-11 S Sale

CHRISTIANSON TONY

Non-Executive Director
6,546 -8.6%
30.00
USD 196,380
6,546 -8.6% 30.00 USD 196,380
2012-07-12 2012-07-10 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,064 -8.4%
30.41
USD 214,844
7,064 -8.4% 30.41 USD 214,844
2012-07-12 2012-07-10 S Sale

CHRISTIANSON TONY

Non-Executive Director
840 -1.0%
31.31
USD 26,300
840 -1.0% 31.31 USD 26,300
2012-07-03 2012-06-29 S Sale

Irwin James

Non-Executive Director
6,584 -100.0%
30.33
USD 199,670
6,584 -100.0% 30.33 USD 199,670
2011-07-12 2011-07-12 S Sale

Christianson Peter J.

President and COO

Executive Director
200,000 -25.0%
27.80
USD 5,560,000
200,000 -25.0% 27.80 USD 5,560,000
2011-07-12 2011-07-12 S Sale

Meyer David Joseph

Chairman and CEO

Executive Director Large shareholder
300,000 -9.8%
27.80
USD 8,340,000
300,000 -9.8% 27.80 USD 8,340,000
2011-05-11 2011-05-10 PS Planned sale

Anderson Gordon Paul

Non-Executive Director
33 -0.1%
29.06
USD 959
33 -0.1% 29.06 USD 959
2011-05-11 2011-05-10 PS Planned sale

CHRISTIANSON TONY

Non-Executive Director
33 -0.0%
29.06
USD 959
33 -0.0% 29.06 USD 959
2011-05-11 2011-05-10 PS Planned sale

CHRISTIANSON TONY

Non-Executive Director
39,967 -32.1%
29.05
USD 1,161,041
39,967 -32.1% 29.05 USD 1,161,041
2011-05-11 2011-05-10 PS Planned sale

CHRISTIANSON TONY

Non-Executive Director
34 -0.0%
29.06
USD 988
34 -0.0% 29.06 USD 988
2011-01-04 2010-12-31 S Sale

CHRISTIANSON TONY

Non-Executive Director
350 -0.3%
19.56
USD 6,845
350 -0.3% 19.56 USD 6,845
2011-01-04 2010-12-31 S Sale

CHRISTIANSON TONY

Non-Executive Director
1,150 -0.3%
19.56
USD 22,490
1,150 -0.3% 19.56 USD 22,490
2010-12-30 2010-12-30 S Sale

CHRISTIANSON TONY

Non-Executive Director
2,330 -1.8%
19.85
USD 46,260
2,330 -1.8% 19.85 USD 46,260
2010-12-30 2010-12-30 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,670 -1.9%
19.85
USD 152,280
7,670 -1.9% 19.85 USD 152,280
2010-12-30 2010-12-29 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,565 -100.0%
19.87
USD 150,323
7,565 -100.0% 19.87 USD 150,323
2010-12-30 2010-12-29 S Sale

CHRISTIANSON TONY

Non-Executive Director
2,330 -1.8%
19.90
USD 46,378
2,330 -1.8% 19.90 USD 46,378
2010-12-30 2010-12-29 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,670 -1.9%
19.90
USD 152,668
7,670 -1.9% 19.90 USD 152,668
2010-12-30 2010-12-28 S Sale

CHRISTIANSON TONY

Non-Executive Director
1,561 -1.2%
19.90
USD 31,070
1,561 -1.2% 19.90 USD 31,070
2010-12-30 2010-12-28 S Sale

Anderson Gordon Paul

Non-Executive Director
10,000 -14.1%
19.85
USD 198,505
10,000 -14.1% 19.85 USD 198,505
2010-12-30 2010-12-28 S Sale

CHRISTIANSON TONY

Non-Executive Director
5,139 -1.2%
19.90
USD 102,286
5,139 -1.2% 19.90 USD 102,286
2010-12-23 2010-12-23 S Sale

CHRISTIANSON TONY

Non-Executive Director
2,330 -1.7%
19.89
USD 46,347
2,330 -1.7% 19.89 USD 46,347
2010-12-23 2010-12-23 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,670 -1.8%
19.89
USD 152,566
7,670 -1.8% 19.89 USD 152,566
2010-12-23 2010-12-22 S Sale

CHRISTIANSON TONY

Non-Executive Director
2,330 -1.7%
19.66
USD 45,811
2,330 -1.7% 19.66 USD 45,811
2010-12-23 2010-12-22 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,670 -1.8%
19.66
USD 150,801
7,670 -1.8% 19.66 USD 150,801
2010-12-23 2010-12-21 S Sale

CHRISTIANSON TONY

Non-Executive Director
2,330 -1.7%
20.14
USD 46,927
2,330 -1.7% 20.14 USD 46,927
2010-12-23 2010-12-21 S Sale

CHRISTIANSON TONY

Non-Executive Director
7,670 -1.7%
20.14
USD 154,478
7,670 -1.7% 20.14 USD 154,478
2011-01-06 2010-12-16 S Sale

Irwin James

Non-Executive Director
13,648 -100.0%
19.37
USD 264,364
13,648 -100.0% 19.37 USD 264,364
2010-12-15 2010-12-15 S Sale

CHRISTIANSON TONY

Non-Executive Director
4,881 -3.4%
19.57
USD 95,509
4,881 -3.4% 19.57 USD 95,509
2010-12-15 2010-12-15 S Sale

CHRISTIANSON TONY

Non-Executive Director
16,067 -3.5%
19.57
USD 314,393
16,067 -3.5% 19.57 USD 314,393
2010-12-15 2010-12-14 S Sale

CHRISTIANSON TONY

Non-Executive Director
6,571 -4.4%
19.82
USD 130,237
6,571 -4.4% 19.82 USD 130,237
2010-12-15 2010-12-14 S Sale

CHRISTIANSON TONY

Non-Executive Director
21,629 -4.5%
19.82
USD 428,687
21,629 -4.5% 19.82 USD 428,687
2010-12-15 2010-12-13 S Sale

CHRISTIANSON TONY

Non-Executive Director
4,660 -3.0%
19.83
USD 92,408
4,660 -3.0% 19.83 USD 92,408
2010-12-15 2010-12-13 S Sale

CHRISTIANSON TONY

Non-Executive Director
15,340 -3.1%
19.83
USD 304,194
15,340 -3.1% 19.83 USD 304,194
2010-09-21 2010-09-17 S Sale

CHRISTIANSON TONY

Non-Executive Director
12,500 -7.5%
16.11
USD 201,350
12,500 -7.5% 16.11 USD 201,350
2010-09-21 2010-09-17 S Sale

CHRISTIANSON TONY

Non-Executive Director
37,500 -7.1%
16.11
USD 604,050
37,500 -7.1% 16.11 USD 604,050
2010-09-10 2010-09-10 S Sale

Irwin James

Non-Executive Director
1,000 -6.8%
14.80
USD 14,801
1,000 -6.8% 14.80 USD 14,801
2010-09-10 2010-09-10 S Sale

Irwin James

Non-Executive Director
3,092 -17.4%
14.80
USD 45,762
3,092 -17.4% 14.80 USD 45,762
2010-06-23 2010-06-22 S Sale

CHRISTIANSON TONY

Non-Executive Director
525 -0.3%
14.25
USD 7,484
525 -0.3% 14.25 USD 7,484
2010-06-23 2010-06-22 S Sale

CHRISTIANSON TONY

Non-Executive Director
1,575 -0.3%
14.25
USD 22,451
1,575 -0.3% 14.25 USD 22,451
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