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[Form 4] Perma-Fix Environmental Services, Inc. Insider Trading Activity

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
4
Insider Grondin Richard
Role EVP of Hanford & Int. Waste Op
Type Security Shares Price Value
Exercise Stock Option 5,000 $0.00 --
Exercise Stock Option 6,000 $0.00 --
Exercise Common Stock 5,000 $7.005 $35K
Tax Withholding Common Stock 3,094 $11.32 $35K
Exercise Common Stock 6,000 $3.95 $24K
Tax Withholding Common Stock 2,094 $11.32 $24K
Holdings After Transaction: Stock Option — 10,000 shares (Direct); Common Stock — 33,780 shares (Direct)
Footnotes (1)
  1. On July 14, 2025, the Reporting Person exercised the incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan (the "2017 Plan") for the purchase of 5,000 shares of the Company's Common Stock at an exercise price of $7.005 per share (the "Option shares"). As permitted by the 2017 Plan, the Reporting Person elected to pay the exercise price of the Option Shares by having the Company withhold from the Option Shares a number of shares having a fair market value equal to the aggregate exercise price of $35,025. Since the fair market value of the Company's Common Stock on July 14, 2025 (as determined in accordance with the 2017 Plan) was $11.32 per share, the Company withheld 3,094 shares of Common Stock ($35,025 divided by $11.32) to pay the aggregate exercise price of the option. On July 14, 2025, the Reporting Person exercised the incentive stock option granted 1/19/2023 under the Company's 2017 Stock Option Plan (the "2017 Plan") for the purchase of 6,000 shares of the Company's Common Stock at an exercise price of $3.95 per share (the "Option shares"). As permitted by the 2017 Plan, the Reporting Person elected to pay the exercise price of the Option Shares by having the Company withhold from the Option Shares a number of shares having a fair market value equal to the aggregate exercise price of $23,700. Since the fair market value of the Company's Common Stock on July 14, 2025 (as determined in accordance with the 2017 Plan) was $11.32 per share, the Company withheld 2,094 shares of Common Stock ($23,700 divided by $11.32) to pay the aggregate exercise price of the option. Incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan for the purchase of up to 25,000 shares of the Company's Common Stock. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year. Incentive stock option granted 01/19/2023 under the Company's 2017 Stock Option Plan for the purchase of up to 30,000 shares of the Company's Common Stock. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Grondin Richard
(Last) (First) (Middle)
8302 DUNWOODY PLACE
SUITE 250
(Street)
ATLANTA GA 30350
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
PERMA FIX ENVIRONMENTAL SERVICES INC [ PESI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP of Hanford & Int. Waste Op
3. Date of Earliest Transaction (Month/Day/Year)
07/14/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 07/14/2025 M 5,000(1) A $7.005 33,780 D
Common Stock 07/14/2025 F 3,094(1) D $11.32 30,686 D
Common Stock 07/14/2025 M 6,000(2) A $3.95 36,686 D
Common Stock 07/14/2025 F 2,094(2) D $11.32 34,592 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option $7.005 07/14/2025 M 5,000(1) (3) 10/14/2027 Common Stock 5,000 $0 10,000 D
Stock Option $3.95 07/14/2025 M 6,000(2) (4) 01/19/2029 Common Stock 6,000 $0 18,000 D
Explanation of Responses:
1. On July 14, 2025, the Reporting Person exercised the incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan (the "2017 Plan") for the purchase of 5,000 shares of the Company's Common Stock at an exercise price of $7.005 per share (the "Option shares"). As permitted by the 2017 Plan, the Reporting Person elected to pay the exercise price of the Option Shares by having the Company withhold from the Option Shares a number of shares having a fair market value equal to the aggregate exercise price of $35,025. Since the fair market value of the Company's Common Stock on July 14, 2025 (as determined in accordance with the 2017 Plan) was $11.32 per share, the Company withheld 3,094 shares of Common Stock ($35,025 divided by $11.32) to pay the aggregate exercise price of the option.
2. On July 14, 2025, the Reporting Person exercised the incentive stock option granted 1/19/2023 under the Company's 2017 Stock Option Plan (the "2017 Plan") for the purchase of 6,000 shares of the Company's Common Stock at an exercise price of $3.95 per share (the "Option shares"). As permitted by the 2017 Plan, the Reporting Person elected to pay the exercise price of the Option Shares by having the Company withhold from the Option Shares a number of shares having a fair market value equal to the aggregate exercise price of $23,700. Since the fair market value of the Company's Common Stock on July 14, 2025 (as determined in accordance with the 2017 Plan) was $11.32 per share, the Company withheld 2,094 shares of Common Stock ($23,700 divided by $11.32) to pay the aggregate exercise price of the option.
3. Incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan for the purchase of up to 25,000 shares of the Company's Common Stock. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.
4. Incentive stock option granted 01/19/2023 under the Company's 2017 Stock Option Plan for the purchase of up to 30,000 shares of the Company's Common Stock. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.
/s/ Richard Grondin 07/15/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR