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Mark Duff

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Insider profile

Currently holds a position at Perma-Fix Environmental Services Inc

Performance

Overall performance
4.0
Performance over holding periods
4.0
30 days 90 days 120 days
Average return 9% 8.2% 15.1%
Success rate 66% 68% 82%
Transactions
35 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
President, Chief Executive Officer Perma-Fix Environmental Services Inc Sept. 8, 2017 -
Chief Operating Officer, Executive Vice President Perma-Fix Environmental Services Inc Sept. 30, 2016 - Sept. 8, 2017
Executive Vice President Perma-Fix Environmental Services Inc May 15, 2016 - Sept. 30, 2016
Mark Duff's trades of Perma-Fix Environmental Services Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-12 2025-09-11
B Purchase
95,694 +11.0%
468.74
US$408,526 		95,694 +11.0% 468.74 US$408,526
2025-03-24 2025-03-21
B Purchase
82,014 +45.5%
325.76
US$4,894,551 		82,014 +45.5% 325.76 US$4,894,551
2025-03-24 2025-03-21
B Purchase
1,890 -43.1%
253.39
US$3,533,500 		1,890 -43.1% 253.39 US$3,533,500
2025-03-24 2025-03-21
B Purchase
750 +0.6%
7.02
US$5,265 		750 +0.6% 7.02 US$5,265
2025-03-19 2025-03-18
B Purchase
500 +0.4%
7.20
US$3,600 		500 +0.4% 7.20 US$3,600
2025-03-19 2025-03-18
B Purchase
500 +0.4%
7.10
US$3,550 		500 +0.4% 7.10 US$3,550
2024-09-05 2024-09-04
B Purchase
350 +0.3%
9.95
US$3,482 		350 +0.3% 9.95 US$3,482
2024-09-05 2024-09-04
B Purchase
500 +0.4%
9.91
US$4,955 		500 +0.4% 9.91 US$4,955
2024-09-05 2024-09-03
B Purchase
750 +0.7%
10.07
US$7,552 		750 +0.7% 10.07 US$7,552
2024-09-05 2024-09-03
B Purchase
500 +0.5%
10.48
US$5,240 		500 +0.5% 10.48 US$5,240
2023-12-04 2023-12-01
B Purchase
750 +0.7%
7.00
US$5,250 		750 +0.7% 7.00 US$5,250
2023-12-04 2023-12-01
B Purchase
750 +0.7%
7.28
US$5,460 		750 +0.7% 7.28 US$5,460
2023-12-04 2023-12-01
B Purchase
750 +0.7%
7.27
US$5,452 		750 +0.7% 7.27 US$5,452
2023-12-04 2023-12-01
B Purchase
750 +0.7%
7.07
US$5,302 		750 +0.7% 7.07 US$5,302
2022-11-23 2022-11-22
B Purchase
1,000 +2.5%
3.89
US$3,890 		1,000 +2.5% 3.89 US$3,890
2022-09-07 2022-09-07
B Purchase
1,000 +2.6%
4.75
US$4,750 		1,000 +2.6% 4.75 US$4,750
2022-09-07 2022-09-07
B Purchase
500 +1.3%
4.76
US$2,380 		500 +1.3% 4.76 US$2,380
2022-05-13 2022-05-12
B Purchase
1,000 +2.7%
5.50
US$5,500 		1,000 +2.7% 5.50 US$5,500
2022-05-13 2022-05-12
B Purchase
922 +2.5%
5.60
US$5,163 		922 +2.5% 5.60 US$5,163
2022-05-13 2022-05-11
B Purchase
78 +0.2%
5.60
US$437 		78 +0.2% 5.60 US$437
2021-12-20 2021-12-20
B Purchase
600 +3.1%
6.50
US$3,900 		600 +3.1% 6.50 US$3,900
2021-12-20 2021-12-17
B Purchase
37 +0.2%
6.52
US$241 		37 +0.2% 6.52 US$241
2021-12-20 2021-12-17
B Purchase
1,000 +5.5%
6.57
US$6,570 		1,000 +5.5% 6.57 US$6,570
2020-12-30 2020-12-29
B Purchase
500 +2.8%
5.85
US$2,925 		500 +2.8% 5.85 US$2,925
2020-11-10 2020-11-09
B Purchase
500 +2.9%
6.20
US$3,100 		500 +2.9% 6.20 US$3,100
2020-08-13 2020-08-12
B Purchase
20 +0.1%
6.85
US$137 		20 +0.1% 6.85 US$137
2020-08-13 2020-08-11
B Purchase
500 +3.0%
6.92
US$3,460 		500 +3.0% 6.92 US$3,460
2020-08-13 2020-08-11
B Purchase
750 +4.7%
6.99
US$5,242 		750 +4.7% 6.99 US$5,242
2020-08-13 2020-08-11
B Purchase
500 +3.2%
7.11
US$3,555 		500 +3.2% 7.11 US$3,555
2020-03-31 2020-03-30
B Purchase
500 +3.3%
5.10
US$2,550 		500 +3.3% 5.10 US$2,550
2020-03-24 2020-03-23
B Purchase
500 +3.4%
4.05
US$2,025 		500 +3.4% 4.05 US$2,025
2020-03-24 2020-03-23
B Purchase
1,000 +7.4%
4.15
US$4,150 		1,000 +7.4% 4.15 US$4,150
2019-05-15 2019-05-15
B Purchase
500 +4.5%
3.70
US$1,850 		500 +4.5% 3.70 US$1,850
2019-05-15 2019-05-14
B Purchase
500 +4.7%
3.80
US$1,900 		500 +4.7% 3.80 US$1,900
2019-05-15 2019-05-13
B Purchase
500 +5.0%
3.90
US$1,950 		500 +5.0% 3.90 US$1,950