Mark Duff

PESI

Mark Duff serves as President and CEO at Perma-Fix Environmental Services, Inc. (PESI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

8 trades

$97.2K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$97.2K

Companies Traded

PESI

Active Period

Dec 2021 – Sep 2025

8 total trades

Most Recent

Buy PESI

Sep 11, 2025 · $7.2K

Mark Duff's Insider Trading at Perma-Fix Environmental Services, Inc. (PESI)

Buys

8 · $97.2K

Sells

0 · $0.00

Total Shares Bought

14,184

Total Shares Sold

PESI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 11, 2025	Buy	897	$8.05	$7.2K	0
Mar 21, 2025	Buy	2,050	$7.03	$14.4K	0
Sep 5, 2024	Buy	2,100	$10.11	$21.2K	113,052
Dec 4, 2023	Buy	3,000	$7.16	$21.5K	110,952
Nov 23, 2022	Buy	1,000	$3.89	$3.9K	40,984
Sep 7, 2022	Buy	1,500	$4.75	$7.1K	39,984
May 13, 2022	Buy	2,000	$5.55	$11.1K	38,484
Dec 20, 2021	Buy	1,637	$6.54	$10.7K	19,958

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