[Form 4] PERMA FIX ENVIRONMENTAL SERVICES INC Insider Trading Activity

Rhea-AI Filing Summary

Joseph Timothy Grumski, a director of Perma-Fix Environmental Services, reported on Form 4 that he purchased 2,228 shares of common stock on 10/01/2025 at a price of $7.575 per share. After the transaction he beneficially owned 62,188 shares. The filing is for issuer Perma-Fix Environmental Services Inc (PESI) and was signed by the reporting person on 10/02/2025. This Form 4 records a straightforward insider open-market acquisition by a company director.

Positive

• Director purchase disclosed with specific details (2,228 shares at $7.575), demonstrating reporting compliance
• Post-transaction holdings provided (62,188 shares), giving transparency on insider stake

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider purchase of 2,228 shares; modest size relative to total holdings, limited market impact.

The reported purchase of 2,228 shares at $7.575 increases Director Grumski's stake to 62,188 shares. This is a direct acquisition, filed on Form 4, and appears to be an ordinary open-market buy rather than part of a grant or exercise. For most investors this is a neutral-to-slightly-positive signal of alignment but is not large enough by itself to be materially impactful to company valuation.

Corporate Governance Expert

TL;DR: Compliance filing shows proper disclosure of a director purchase; no governance red flags detected.

The Form 4 discloses the director's beneficial purchase with required details: transaction date, share count, price, and post-transaction holdings. The form is signed and dated, meeting disclosure obligations. There is no indication of related-party transactions, derivative activity, or amendments that would raise governance concerns.

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
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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^*

Grumski Joseph Timothy

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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	10/01/2025		A		2,228	A	$7.575	62,188	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

Explanation of Responses:

	/s/ Joseph Timothy Grumski	10/02/2025
	** 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.

FAQ

What did the Form 4 filed for PESI report?

The Form 4 reports that director Joseph Timothy Grumski purchased 2,228 shares of Perma-Fix (PESI) on 10/01/2025 at $7.575 per share and now beneficially owns 62,188 shares.

When was the Form 4 signed for the PESI insider transaction?

The Form 4 was signed by the reporting person on 10/02/2025.

Does the Form 4 show any derivative transactions for PESI?

No. Table II for derivative securities is blank; the filing only reports a non-derivative common stock purchase.

Is the filing indicating a joint filing or multiple reporting persons?

The form indicates it was filed by one reporting person (individual filing).

What is the reporting person’s relationship to PESI?

The reporting person, Joseph Timothy Grumski, is listed as a Director of Perma-Fix Environmental Services Inc.