Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Quinn John S 2. Issuer Name and Ticker or Trading Symbol Enviri Corp [NVRI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) TWO LOGAN SQUARE, 100-120 N. 18TH STREET, 17TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 06/15/2026 (Street) PHILADELPHIA, PA 19103 4. If Amendment, Date 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 (City) (State) (Zip) 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 06/15/2026 A 6,250 A $ 0 (1) 19,629(2) D

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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 Underlying Securities (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 of Derivative Security: 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

Deferred Stock Unit (Cash)

$ 0

06/15/2026

A

3,155

(3)

(3)

Common Stock(3)

3,155

$20.8

3,155

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Quinn John S TWO LOGAN SQUARE 100-120 N. 18TH STREET, 17TH FLOOR PHILADELPHIA, PA 19103	X

Signatures

/s/ John S. Quinn		06/17/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Restricted stock units granted under the Issuer's 2026 Omnibus Incentive Plan represent a contingent right to receive the Issuer's common stock on a one-for-one basis when the restricted stock units vest. Each reported restricted stock unit vests on the anniversary of the grant date.
(2)	Includes 13,379 shares acquired in a pro rata distribution by CLEH, Inc. on June 1, 2026 of all of the outstanding shares of the Issuer's common stock to the stockholders of CLEH, Inc.
(3)	Deferred Stock Units represent deferred cash compensation awarded based on an election by the reporting person in connection with the reporting person's service as a non-employee director of the Issuer. Each Deferred Stock Unit, following vesting, represents the right to receive the value, in cash, of 1 share of the Issuer's common stock at the time of the reporting person's elected distribution date(s). The Deferred Stock Units generally vest in installments at the end of each fiscal quarter in 2026. The reporting person elected to receive settlement and distribution of the Deferred Stock Units in five equal annual installments beginning in 2027.

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