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

Mark Duff is President and CEO of PERMA FIX ENVIRONMENTAL SERVICES INC. Currently has a direct ownership of 133,659 shares of PESI, which is worth approximately $1.12 Million. The most recent transaction as insider was on Mar 21, 2025, when has been sold 2,050 shares (Common Stock) at a price of $7.03 per share, resulting in proceeds of $14,411. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 134K

2.34% 3M change

20.47% 12M change

Total Value Held $1.12 Million

Mark Duff Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
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

Mark Duff

President and CEO

Atlanta,, GA

Institutional Portfolio Updates

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

Notify only if

Value

Insider Trading

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

Notify only if

Operation

Value

Type

News

Receive news related to PERMA FIX ENVIRONMENTAL SERVICES INC

Track Activities on PESI

Account