ENVIRI executive settles performance share units

ENVIRI Corp President-Harsco Environmental Christophe Reitemeier reported compensation-related share movements tied to performance share units (PSUs).

Rhea-AI Filing Summary

ENVIRI Corp President-Harsco Environmental Christophe Reitemeier reported compensation-related share movements tied to performance share units (PSUs). On 2026-05-19, he exercised PSU awards into a total of 64,180 shares of common stock, as part of vesting and settlement approved by Enviri's board in connection with the sale of its Clean Earth division.

To cover tax obligations, 20,042 of these shares were disposed of through tax-withholding transactions, including 11,132 shares at $19.18 per share. The PSUs vested at 200% of their target level based on Enviri's total shareholder return versus the S&P 600 Industrials Index, with the remaining portion of the awards settling in cash under the award terms. Following these transactions, Reitemeier directly holds 47,994 shares of Enviri common stock.

Insider Trade Summary

64,180 shares exercised/converted

Exercise 6 txns

Insider Reitemeier Christophe

Role President-Harsco Environmental

Type	Security	Shares	Price	Value
Exercise	Performance Share Units	47,368	$0.00	$0.00
Exercise	Performance Share Units	16,812	$0.00	$0.00
Exercise	Common Stock	23,684	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	11,132	$19.18	$214K
Exercise	Common Stock	16,812	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	8,910	$0.00	$0.00

Holdings After Transaction: Performance Share Units — 23,684 contracts (Direct); Common Stock — 55,896 shares (Direct)

Footnotes (3)

1. F1. Represents shares issued upon vesting and settlement of performance share unit awards, as approved on May 18, 2026 by the Enviri Board of Directors in connection with Enviri's sale of its Clean Earth division, which portion of the performance share unit awards settled in stock in accordance with the award's terms.
2. F2. Each performance share unit vested at 200% of the target number of performance share units reported on the reporting person's Form 4 filed March 6, 2025, based on the total shareholder return of Enviri common stock relative to the S&P 600 Industrials Index. The remining portion of the performance share units will settle in cash in accordance with the award's terms.
3. F3. . Each performance share unit vested at 200% of the target number of performance share units reported on the reporting person's Form 4 filed March 6, 2025, based on resolutions passed by the Enviri Board of Directors.

Key Figures

PSUs exercised: 64,180 units Tax-withholding shares: 20,042 shares Tax-withholding price: $19.18 per share +4 more

7 metrics

PSUs exercised 64,180 units Performance share units converted into common stock on 2026-05-19

Tax-withholding shares 20,042 shares Shares delivered to cover tax or exercise obligations

Tax-withholding price $19.18 per share Price for 11,132 shares used for tax withholding

Shares held after 47,994 shares Direct ENVIRI common stock ownership after transactions

Vesting multiple 200% of target PSU vesting level versus target based on total shareholder return

PSU expiration date 1 2026-12-31 Expiration date for one PSU award series

PSU expiration date 2 2027-12-31 Expiration date for another PSU award series

Key Terms

performance share unit, tax-withholding disposition, total shareholder return, S&P 600 Industrials Index, +1 more

5 terms

performance share unit financial

"Represents shares issued upon vesting and settlement of performance share unit awards, as approved on May 18, 2026"

A performance share unit (PSU) is a form of executive or employee pay that promises shares (or the cash value of shares) only if the company meets specific performance targets over a set period. Think of it like a bonus cheque that only arrives if the company hits agreed goals — it aligns managers’ rewards with business results and signals to investors how leadership is being incentivized to grow value over time.

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

total shareholder return financial

"based on the total shareholder return of Enviri common stock relative to the S&P 600 Industrials Index"

Total shareholder return is the overall gain an investor gets from owning a stock, combining changes in the share price plus any cash payouts like dividends, and assuming those payouts are reinvested in more shares. Investors use it like a single score that shows the true return on their investment—similar to checking both the growth of a savings account and the interest earned—to compare how well different companies or investments perform over time.

S&P 600 Industrials Index financial

"relative to the S&P 600 Industrials Index. The remining portion of the performance share units will settle in cash"

settle in cash financial

"The remining portion of the performance share units will settle in cash in accordance with the award's terms"

FAQ

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

What did ENVIRI Corp (NVRI) executive Christophe Reitemeier report on this Form 4?

Christophe Reitemeier reported the vesting and settlement of performance share units into 64,180 ENVIRI common shares. These were compensation-related awards, not open-market purchases, and arose from long-term incentive grants tied to company performance metrics.

Were any of Christophe Reitemeier’s ENVIRI (NVRI) transactions open-market sales?

No, the dispositions on this Form 4 are tax-withholding transactions, not open-market sales. A total of 20,042 shares were delivered to cover tax or exercise obligations associated with performance share unit vesting and settlement.

How many ENVIRI (NVRI) shares did Christophe Reitemeier receive from performance share units?

He exercised performance share unit awards that settled into 64,180 ENVIRI common shares. These shares were issued upon vesting of long-term incentive awards approved by the board in connection with the company’s Clean Earth division sale.

How many ENVIRI (NVRI) shares were used for tax withholding in this Form 4?

A total of 20,042 ENVIRI common shares were disposed of through tax-withholding transactions. This includes 11,132 shares valued at $19.18 per share, used to satisfy tax liabilities tied to the vesting of performance share units.

What is Christophe Reitemeier’s ENVIRI (NVRI) shareholding after these transactions?

After the reported vesting, exercises, and tax-withholding dispositions, Christophe Reitemeier directly holds 47,994 ENVIRI common shares. This reflects his updated ownership position following settlement of performance share unit awards.

How were ENVIRI (NVRI) performance share units determined for Christophe Reitemeier?

Each performance share unit vested at 200% of its target level. The vesting was based on ENVIRI’s total shareholder return relative to the S&P 600 Industrials Index and related resolutions passed by ENVIRI’s board of directors.

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

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Accepted by SEC EDGAR 05/21/2026 - 03:57 PM EDT 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^*

Reitemeier Christophe

(Last) (First) (Middle)

TWO LOGAN SQUARE

100-120 N. 18TH STREET, 17TH FLOOR

(Street)

PHILADELPHIA PENNSYLVANIA 19103

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ENVIRI Corp [ NVRI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President-Harsco Environmental

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

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	05/19/2026		M		23,684(1)	A	$0	59,126	D
Common Stock	05/19/2026		F		11,132	D	$19.18	47,994	D
Common Stock	05/19/2026		M		16,812(1)	A	$0	64,806	D
Common Stock	05/19/2026		F		8,910	D	$0	55,896	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
Performance Share Units	(2)	05/19/2026		M			47,368	(2)	12/31/2027	Common Stock	47,368	$0	23,684	D
Performance Share Units	$0(3)	05/19/2026		M			16,812	(3)	12/31/2026	Common Stock	16,812	$0	0	D

Explanation of Responses:

1. Represents shares issued upon vesting and settlement of performance share unit awards, as approved on May 18, 2026 by the Enviri Board of Directors in connection with Enviri's sale of its Clean Earth division, which portion of the performance share unit awards settled in stock in accordance with the award's terms.

2. Each performance share unit vested at 200% of the target number of performance share units reported on the reporting person's Form 4 filed March 6, 2025, based on the total shareholder return of Enviri common stock relative to the S&P 600 Industrials Index. The remining portion of the performance share units will settle in cash in accordance with the award's terms.

3. . Each performance share unit vested at 200% of the target number of performance share units reported on the reporting person's Form 4 filed March 6, 2025, based on resolutions passed by the Enviri Board of Directors.

Remarks:

	/s/ Christophe Reitemeier	05/21/2026
	** 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)