MARK ZWECKER - 28 Aug 2025 Form 4 Insider Report for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI)

Role
Director
Signature
/s/ Mark Zwecker
Issuer symbol
PESI
Transactions as of
28 Aug 2025
Transactions value $
$10,056
Form type
4
Filing time
02 Sep 2025, 08:30:12 UTC
Previous filing
25 Jul 2025
Next filing
02 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
ZWECKER MARK A Director 8302 DUNWOODY PLACE, SUITE 250, ATLANTA, /s/ Mark Zwecker 02 Sep 2025 0001256439

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PESI Common Stock Options Exercise $10,056 +2,400 +1% $4.19 239,585 28 Aug 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PESI Stock Option (Right to Buy) Options Exercise $0 -2,400 -100% $0 0 28 Aug 2025 Common Stock 2,400 $4.19 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Non-Qualified Stock Option granted 09/17/2015 under the Company's 2003 Outside Directors Stock Plan. The option vests fully six months from date of grant.