Perma-Fix director receives 1,520-share stock award

PERMA FIX ENVIRONMENTAL SERVICES INC director Mark A. Zwecker received a stock award of 1,520 shares of Common Stock.

Rhea-AI Filing Summary

PERMA FIX ENVIRONMENTAL SERVICES INC director Mark A. Zwecker received a stock award of 1,520 shares of Common Stock. The grant was recorded at a price of $8.0175 per share and reported as a grant, award, or other acquisition rather than an open-market purchase.

After this award, Zwecker directly holds 244,039 shares of Perma-Fix Common Stock, showing his total reported direct ownership following the transaction.

Insider Trade Summary

Grant/Award: 1,520 shares

Grant/Award 1 txn

Insider ZWECKER MARK A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,520	$8.0175	$12K

Holdings After Transaction: Common Stock — 244,039 shares (Direct)

Key Figures

Stock award: 1,520 shares Grant price: $8.0175 per share Post-transaction holdings: 244,039 shares

3 metrics

Stock award 1,520 shares Grant of Common Stock to director Mark A. Zwecker

Grant price $8.0175 per share Reported price for the 1,520-share award

Post-transaction holdings 244,039 shares Total direct Common Stock owned after the grant

Key Terms

Grant, award, or other acquisition, Common Stock, Form 4

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did PERMA FIX (PESI) report for Mark A. Zwecker?

PERMA FIX reported that director Mark A. Zwecker received a grant of 1,520 shares of Common Stock. The transaction was coded as a grant, award, or other acquisition, reflecting compensation rather than an open-market trade.

At what price was Mark A. Zwecker’s PERMA FIX (PESI) stock grant recorded?

The 1,520-share stock grant to Mark A. Zwecker was recorded at $8.0175 per share. This price represents the value used for reporting the compensation-related award on the Form 4 filing with the SEC.

How many PERMA FIX (PESI) shares does Mark A. Zwecker own after this grant?

Following the 1,520-share award, Mark A. Zwecker directly owns 244,039 shares of PERMA FIX Common Stock. This figure reflects his total reported direct holdings after the reported compensation-related transaction on the Form 4.

Was the PERMA FIX (PESI) transaction an open-market buy or a stock award?

The transaction was a stock award, not an open-market buy. It is coded as a grant, award, or other acquisition (Code A), indicating compensation rather than a purchase made on the open market by Mark A. Zwecker.

Does Mark A. Zwecker’s PERMA FIX (PESI) transaction involve any derivatives or options?

The reported transaction involves only Common Stock, with no derivatives or options listed. The derivativeSummary is empty, indicating no derivative exercises or conversions were disclosed in this particular Form 4 filing for Mark A. Zwecker.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 04/02/2026 - 03:05 PM 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)
04/01/2026

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	04/01/2026		A		1,520	A	$8.0175	244,039	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	04/02/2026
	** 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)