Perma-Fix (PESI) director granted 1,167 Common Stock shares

Rhea-AI Filing Summary

ZWECKER MARK A reported acquisition or exercise transactions in this Form 4 filing.

Perma-Fix Environmental Services director Mark A. Zwecker received 1,167 shares of Common Stock as a grant or award. The shares were valued at $10.7175 per share on the transaction date, bringing his directly held stake to 247,606 shares, indicating a relatively small, routine increase in ownership.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider ZWECKER MARK A

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,167	$10.7175	$13K

Holdings After Transaction: Common Stock — 247,606 shares (Direct, null)

Footnotes (1)

Key Figures

Share grant size: 1,167 shares Reference share value: $10.7175 per share Holdings after transaction: 247,606 shares

3 metrics

Share grant size 1,167 shares Common Stock grant or award to director

Reference share value $10.7175 per share Value used for 1,167-share grant

Holdings after transaction 247,606 shares Director’s direct Common Stock ownership post-grant

Key Terms

grant/award acquisition, transaction code A, direct ownership

3 terms

grant/award acquisition financial

"The transaction is described as a grant or award acquisition of shares."

transaction code A regulatory

"The Form 4 lists transaction code A for this share grant."

direct ownership financial

"The filing identifies the shares as held under direct ownership."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 08:01 AM Accepted by SEC EDGAR 07/02/2026 - 08:00 AM Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ZWECKER MARK A

(Last) (First) (Middle)

8302 DUNWOODY PLACE, SUITE 250

(Street)

ATLANTA, GEORGIA 30350

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	07/01/2026		A		1,167	A	$10.7175	247,606	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/ Mark Zwecker	07/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did PESI director Mark A. Zwecker report?

Mark A. Zwecker reported acquiring 1,167 PESI Common Stock shares as a grant or award. The transaction used a value of $10.7175 per share and increased his directly held stake to 247,606 shares, according to the Form 4 data provided.

Was the PESI insider transaction a purchase or a grant of shares?

The PESI insider transaction was reported as a grant or award acquisition of shares, not an open-market purchase. Transaction code A and the description indicate a grant-type award of 1,167 Common Stock shares at a reference value of $10.7175 per share.

How many PESI shares does Mark A. Zwecker hold after this Form 4?

After this Form 4 transaction, Mark A. Zwecker directly holds 247,606 PESI Common Stock shares. This total includes the newly granted 1,167 shares reported as a grant or award acquisition, reflecting his updated ownership position following the transaction date.

What was the per-share value used in the PESI Form 4 grant?

The Form 4 reports a per-share value of $10.7175 for the 1,167-share grant to Mark A. Zwecker. This figure is typically a reference price for the award and helps quantify the grant’s approximate dollar value on the transaction date.

Does the PESI Form 4 show direct or indirect ownership for this grant?

The Form 4 shows the 1,167-share grant as directly owned by Mark A. Zwecker. The ownership code and direct_or_indirect field both indicate direct ownership, with no referenced trusts, LLCs, or other entities involved in holding these specific shares.