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 131,609 shares of PESI, which is worth approximately $915,998. The most recent transaction as insider was on Mar 18, 2025, when has been sold 1,000 shares (Common Stock) at a price of $7.15 per share, resulting in proceeds of $7,150. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 132K

16.41% 3M change

18.62% 12M change

Total Value Held $915,998

Mark Duff Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
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

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