Jennifer O Kozak - 01 Jun 2026 Form 4 Insider Report for ENVIRI Corp (NVRI)

Reporting relationship: Senior Vice President & CHRO
Issuer ticker: NVRI
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jun 2026, 11:43:12 UTC
Prior SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer O. Kozak

Key filing fact

Jennifer O Kozak filed Form 4 for ENVIRI Corp (NVRI) on 02 Jun 2026.

Key facts

This page summarizes Jennifer O Kozak's Form 4 filing for ENVIRI Corp (NVRI).
4 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 02 Jun 2026, 11:43.

Change

Previous filing in this sequence was filed on 22 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001949030 Primary reporting owner

Kozak Jennifer Ott

Relationship: Senior Vice President & CHRO
Address: 100-120 NORTH 18TH STREET, 17TH FLOOR, PHILADELPHIA
Signature: /s/ Jennifer O. Kozak
Signature date: 02 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NVRI transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -101,019
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1, F2, F3, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NVRI transaction Derivative

Stock Appreciation Rights

Disposed to Issuer

Transaction value
Shares: -48,776
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 01 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 48,776
Exercise price: $6.03
Footnotes: F5

NVRI transaction Derivative

Stock Appreciation Rights

Disposed to Issuer

Transaction value
Shares: -35,252
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 01 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 35,252
Exercise price: $8.20
Footnotes: F5

NVRI transaction Derivative

Stock Appreciation Rights

Disposed to Issuer

Transaction value
Shares: -27,364
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 01 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 27,364
Exercise price: $7.45
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Jennifer O Kozak is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 5 footnotes

Footnote F1

The Issuer is party to (x) that certain Agreement and Plan of Merger, dated as of November 20, 2025 (the "Merger Agreement"), by and among the Issuer, CLEH, Inc. (CLEH), Enviri LLC (Enviri LLC), Veolia Environment S.A. (Buyer) and Liberty Merger Sub Inc. (Merger Sub), and (y) that certain Separation Agreement, dated as of November 20, 2025 (the Separation Agreement), by and among the Company, CLEH, Buyer and Enviri II Corporation (New Enviri).

Footnote F2

On June 1, 2026, pursuant to the terms of the Merger Agreement and the Separation Agreement, a series of transactions occurred, including: (i) the Issuer merged with and into Enviri LLC, with Enviri LLC being the surviving entity of such merger, and each outstanding share of common stock of the Issuer was exchanged for one share of common stock, par value $1.25 per share, of CLEH (the Holding Company Merger), and (ii) following the Holding Company Merger, CLEH and its subsidiaries, including Enviri LLC and New Enviri, effected a reorganization (the Reorganization), resulting in (x) CLEH holding the Clean Earth segment of the Issuer and all the outstanding shares of common stock, par value $0.00001 per share, of New Enviri (New Enviri Common Stock), (y) New Enviri owning all of the equity interests of Enviri LLC and (z) Enviri LLC holding the Harsco Environmental and Rail segments of the Issuer

Footnote F3

Also on June 1, 2026, (i) following the Reorganization, CLEH distributed all of the outstanding shares of New Enviri common stock to the stockholders of CLEH (the former stockholders of the Issuer) on a pro rata basis (the Distribution); and (ii) immediately after the Distribution, Merger Sub, a wholly owned subsidiary of Buyer, merged with and into CLEH, with CLEH surviving as an indirect wholly owned subsidiary of Buyer (the Merger).

Footnote F4

In connection with the Holding Company Merger, Reorganization and Merger (collectively, the Transactions), the reporting person disposed of all of the shares of the Issuer held by the reporting person immediately prior to the effective time of the Holding Company Merger and, ultimately, received (x) in the Distribution, one share of New Enviri common stock in respect of every three shares of the Issuer previously held, and (y) in the Merger, cash consideration of $15.00 per share.

Footnote F5

Represents the cancellation of all of the stock appreciation rights (SARs) in respect of Issuers common stock held by the reporting period immediately prior to June 1, 2026 in connection with the Transactions. In exchange for the cancellation of the SARs, the reporting person will be granted replacement stock appreciation rights in respect of New Enviri Common Stock with an intrinsic value equal to the intrinsic value of the SARs being cancelled.