Mark Duff Perma Fix Environmental Services Inc (PESI) insider trading activity

PESI Quotes by TradingView

Mark Duff is President and CEO of PERMA FIX ENVIRONMENTAL SERVICES INC. Currently has a direct ownership of 134,556 shares of PESI, which is worth approximately $1.18 Million. The most recent transaction as insider was on Sep 11, 2025, when has been sold 897 shares (Common Stock) at a price of $8.05 per share, resulting in proceeds of $7,220. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 135K
0.67% 3M change
19.02% 12M change
Total Value Held $1.18 Million

Mark Duff Transaction History

Date Transaction Value Shares Traded Shares Held Form
Sep 11 2025
BUY
Open market or private purchase
$7,220 $8.05 p/Share
897 Added 0.66%
134,556 Common Stock
Mar 21 2025
BUY
Open market or private purchase
$14,411 $7.03 p/Share
2,050 Added 1.51%
133,659 Common Stock
Mar 18 2025
BUY
Open market or private purchase
$7,150 $7.15 p/Share
1,000 Added 0.75%
131,609 Common Stock
Jan 08 2025
SELL
Payment of exercise price or tax liability
$78,746 $10.58 p/Share
7,443 Reduced 5.39%
130,609 Common Stock
Jan 08 2025
BUY
Exercise of conversion of derivative security
$78,750 $3.15 p/Share
25,000 Added 15.33%
138,052 Common Stock
Sep 04 2024
BUY
Open market or private purchase
$8,440 $9.93 p/Share
850 Added 0.75%
113,052 Common Stock
Sep 03 2024
BUY
Open market or private purchase
$12,850 $10.28 p/Share
1,250 Added 1.1%
112,202 Common Stock
Dec 01 2023
BUY
Open market or private purchase
$21,480 $7.16 p/Share
3,000 Added 2.63%
110,952 Common Stock
May 22 2023
SELL
Payment of exercise price or tax liability
$365,003 $11.05 p/Share
33,032 Reduced 23.43%
107,952 Common Stock
May 22 2023
BUY
Exercise of conversion of derivative security
$365,000 $3.65 p/Share
100,000 Added 41.5%
140,984 Common Stock
Nov 22 2022
BUY
Open market or private purchase
$3,890 $3.89 p/Share
1,000 Added 2.38%
40,984 Common Stock
Sep 07 2022
BUY
Open market or private purchase
$7,140 $4.76 p/Share
1,500 Added 3.62%
39,984 Common Stock
May 12 2022
BUY
Open market or private purchase
$10,667 $5.55 p/Share
1,922 Added 4.76%
38,484 Common Stock
May 11 2022
BUY
Open market or private purchase
$437 $5.6 p/Share
78 Added 0.21%
36,562 Common Stock
May 09 2022
SELL
Payment of exercise price or tax liability
$198,501 $5.93 p/Share
33,474 Reduced 47.85%
36,484 Common Stock
May 09 2022
BUY
Exercise of conversion of derivative security
$198,500 $3.97 p/Share
50,000 Added 41.68%
69,958 Common Stock
Dec 20 2021
BUY
Open market or private purchase
$3,900 $6.5 p/Share
600 Added 2.92%
19,958 Common Stock
Dec 17 2021
BUY
Open market or private purchase
$6,792 $6.55 p/Share
1,037 Added 5.08%
19,358 Common Stock
Dec 29 2020
BUY
Open market or private purchase
$2,925 $5.85 p/Share
500 Added 2.66%
18,321 Common Stock
Nov 09 2020
BUY
Open market or private purchase
$3,100 $6.2 p/Share
500 Added 2.73%
17,821 Common Stock
MD

Mark Duff

President and CEO
Atlanta,, GA

Track Institutional and Insider Activities on PESI

Follow PERMA FIX ENVIRONMENTAL SERVICES INC and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells PESI shares.

Notify only if

Insider Trading

Get notified when an Perma Fix Environmental Services Inc insider buys or sells PESI shares.

Notify only if

News

Receive news related to PERMA FIX ENVIRONMENTAL SERVICES INC

Choose your preferred platform and Sign Up 👇 Telegram Email
Track Activities on PESI