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PERMA FIX ENVIRONMENTAL SERVICES INC

PESI No buying or selling
CIK 0000891532 #3383 in the set updated 22 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
$0.00
$0.00 against sales at will

By person

12 insiders · 0 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
ZWECKER MARK A
Director
247,606
$2.13M
+6.3%
REEDER JOE
Director
239,345
$2.06M
+0.5%
CENTOFANTI LOUIS F
EVP of Strategic Initiatives
217,565
$1.87M
+5.5%
Shelton Larry
Director
198,983
$1.71M
+13.3%
Duff Mark
President and CEO
134,556
$1.16M
+19.0%
Grumski Joseph Timothy
Director
67,661
$581.89K
+27.3%
Wamp Zach Paul
Director
53,473
$459.87K
+20.0%
Bostick Thomas
Director
50,610
$435.25K
+33.2%
Naccarato Ben
Chief Financial Officer
48,811
$419.78K
+28.9%
Grondin Richard
EVP of Hanford & Int. Waste Op
41,308
$355.25K
+43.5%
Duggan Kerry C
Director
7,640
$65.70K
−64.2%
Eshleman Troy
Chief Operating Officer
1,350
$11.61K

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