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PERMA FIX ENVIRONMENTAL SERVICES INC

PESI Net buying
CIK 0000891532 #3383 in the set updated 22 Sep 2026
Bought (120 mo)
$528.95K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$341.66K
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$341.66K
4 of 4 sales
Net
+$187.29K
+$187.29K against sales at will

By person

16 insiders · 163 transactions
2.7×

Mark Duff holds only 2.7 times base salary in stock. $1.16M of shares against $417.16K in salary for 2025.

Salary from the company's own proxy. The shares are what Mark Duff last reported holding, valued at $8.60, the price Common Stock was last bought or sold at on the open market here, on 16 Sep 2025.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
REEDER JOE
Director
$100.46K (2)
$293.05K (2)
−$192.59K
239,345
$2.06M
+104.1%
Duff Mark
President and CEO
$176.91K (48)
+$176.91K
134,556
$1.16M
CENTOFANTI LOUIS F
EVP of Strategic Initiatives
$131.85K (45)
+$131.85K
435,090
$3.74M
+17.0%
Shelton Larry
Director
$55.15K (7)
+$55.15K
198,983
$1.71M
+205.9%
Duggan Kerry C
Director
$48.62K (2)
−$48.62K
7,640
$65.70K
Lombardo Andy
EVP of Nuclear & Technical Svc
$33.11K (11)
+$33.11K
17,448
$150.05K
+1,146%
Naccarato Ben
Chief Financial Officer
$16.69K (9)
+$16.69K
48,811
$419.78K
+4,781%
Eshleman Troy
Chief Operating Officer
$9.92K (1)
+$9.92K
1,350
$11.61K
Grondin Richard
EVP of Hanford & Int. Waste Op
$4.87K (1)
+$4.87K
41,308
$355.25K
+114,644%
ZWECKER MARK A
Director
247,606
$2.13M
+76.2%
LAHAV JACK
resigned as Director 10/27/16
197,433
$1.70M
+1.8%
Grumski Joseph Timothy
Director
67,661
$581.89K
Wamp Zach Paul
Director
53,473
$459.87K
Bostick Thomas
Director
50,610
$435.25K
+3,234%
Kugler Gary
Director
46,013
$395.72K
+57.3%
Cochran Stanley Robert
Director
34,711
$298.52K

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Nothing of that kind in this period.

What was left out

Form 4 filings counted 429
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 1
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 4
Transactions with no price 1
Shares from compensation/vesting 1,189,000
History held since 3 Oct 2016