PESI (PESI) director receives 2,105-share stock grant at $8.02 value

Rhea-AI Filing Summary

Grumski Joseph Timothy reported acquisition or exercise transactions in this Form 4 filing.

PERMA FIX ENVIRONMENTAL SERVICES INC director Joseph Timothy Grumski received a grant of 2,105 shares of Common Stock on April 1, 2026 at a reported value of $8.0175 per share. Following this compensation-related award, he directly holds 66,133 shares of the company’s Common Stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Grumski Joseph Timothy

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,105	$8.0175	$17K

Holdings After Transaction: Common Stock — 66,133 shares (Direct)

Footnotes (1)

Key Figures

Shares granted: 2,105 shares Grant price per share: $8.0175 per share Shares owned after transaction: 66,133 shares

3 metrics

Shares granted 2,105 shares Common Stock grant on April 1, 2026

Grant price per share $8.0175 per share Value reported for the stock grant

Shares owned after transaction 66,133 shares Direct holdings after the grant

Key Terms

Common Stock, grant/award acquisition, transaction code "A", Form 4

4 terms

Common Stock financial

""security_title": "Common Stock" within the transaction record"

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.

grant/award acquisition financial

""transaction_action": "grant/award acquisition" in the Form 4 data"

transaction code "A" regulatory

""transaction_code": "A" indicating a grant, award, or acquisition"

Form 4 regulatory

"INSIDER FILING DATA (Form 4) heading for the transaction set"

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.

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).

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^*

Grumski Joseph Timothy

(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		2,105	A	$8.0175	66,133	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	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)

FAQ

What insider transaction did PESI director Joseph Timothy Grumski report?

Director Joseph Timothy Grumski reported receiving 2,105 shares of PERMA FIX ENVIRONMENTAL SERVICES INC Common Stock as a grant. The Form 4 classifies this as a grant, award, or other acquisition, rather than an open-market purchase or sale.

At what price was the PESI stock grant to Joseph Timothy Grumski valued?

The 2,105-share grant to Joseph Timothy Grumski was reported at a value of $8.0175 per share. This figure reflects the price per share used for the grant on the Form 4 insider transaction filing.

How many PESI shares does Joseph Timothy Grumski own after this Form 4 transaction?

After the reported grant, Joseph Timothy Grumski directly owns 66,133 shares of PERMA FIX ENVIRONMENTAL SERVICES INC Common Stock. This total includes the 2,105 shares acquired through the April 1, 2026 grant transaction.

Was the PESI Form 4 transaction a buy or a sell of shares?

The PESI Form 4 transaction was classified as an acquisition through a grant or award, not an open-market buy or sell. The transaction code “A” and description indicate a grant, award, or other acquisition of Common Stock.

Does the PESI Form 4 show any derivative securities for Joseph Timothy Grumski?

The filing’s derivative section is empty, indicating no derivative securities transactions were reported for Joseph Timothy Grumski in this Form 4. Only a non-derivative Common Stock grant of 2,105 shares was disclosed for the reported date.