PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-14

PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-14. 2 Form 8-K material event filings were reported by PESI in the last 90 days. InsiderAlpha tracks every PESI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About PERMA FIX ENVIRONMENTAL SERVICES INC (PESI)

SIC classificationHazardous Waste Management (SIC 4955)
SEC CIK0000891532

90-Day SEC Filing Activity

Form 4 filings (90d)8
Form 8-K filings (90d)2
Latest Form 4 filing2026-07-14

Recent PESI Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Shelton LarryDirectorM — Option exercise2.4K$4.60$11KSEC
REEDER JOEDirectorA — Grant or award1.5K$10.72$16KSEC
Wamp Zach PaulDirectorA — Grant or award849$10.72$9KSEC
Bostick ThomasDirectorA — Grant or award1.2K$10.72$13KSEC
Shelton LarryDirectorA — Grant or award1.4K$10.72$15KSEC
Duggan Kerry CDirectorA — Grant or award819$10.72$9KSEC
ZWECKER MARK ADirectorA — Grant or award1.2K$10.72$13KSEC
Grumski Joseph TimothyDirectorA — Grant or award1.5K$10.72$16KSEC
Grumski Joseph TimothyDirectorA — Grant or award2.1K$8.02$17KSEC
Bostick ThomasDirectorA — Grant or award1.6K$8.02$12KSEC
ZWECKER MARK ADirectorA — Grant or award1.5K$8.02$12KSEC
REEDER JOEDirectorA — Grant or award1.9K$8.02$15KSEC
Wamp Zach PaulDirectorA — Grant or award1.1K$8.02$9KSEC
Duggan Kerry CDirectorA — Grant or award1.1K$8.02$8KSEC
Shelton LarryDirectorA — Grant or award1.8K$8.02$15KSEC

All transactions sourced from SEC EDGAR Form 4 filings for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI). Updated in real time as new filings are submitted to the SEC.

Most-Active PESI Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Shelton Larry3$26K
REEDER JOE1$16K
ZWECKER MARK A1$13K
Wamp Zach Paul1$9K
Grumski Joseph Timothy1$16K

Recent PESI Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in PESI insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

PESI Insider Trading — FAQ

What is the latest insider trade for PESI?
PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) had 8 insider filings in the last 90 days, with the most recent on 2026-07-14. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying PESI stock?
0 insider purchases of PESI were filed in the last 90 days.
How many insiders are selling PESI stock?
0 insider sales of PESI were filed in the last 90 days.
Where can I see PESI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every PESI SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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