ENVIRI executive exercises 4,203 RSUs, net shares held rise

ENVIRI Corp executive Christophe Reitemeier, President of Harsco Environmental, reported routine equity compensation activity.

Rhea-AI Filing Summary

ENVIRI Corp executive Christophe Reitemeier, President of Harsco Environmental, reported routine equity compensation activity. He exercised restricted stock units into 4,203 shares of common stock, then had 1,976 shares withheld to cover tax obligations at $17.94 per share. After these transactions, he directly holds 35,442 shares of common stock and no remaining derivative securities from this grant. The restricted stock units were issued under the 2013 Equity and Incentive Compensation Plan and vest in one-third increments on each of the first three anniversaries of the grant date.

Insider Trade Summary

4,203 shares exercised/converted

Exercise 3 txns

Insider Reitemeier Christophe

Role President-Harsco Environmental

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	4,203	$0.00	$0.00
Exercise	Common Stock	4,203	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,976	$17.94	$35K

Holdings After Transaction: Restricted Stock Units — 19,993 contracts (Direct); Common Stock — 35,442 shares (Direct)

Footnotes (1)

1. F1. Restricted stock units granted under the 2013 Equity and Incentive Compensation Plan represent a contingent right to receive Enviri common stock on a one-for-one basis when the restricted stock units vest. The restricted stock units vest in one-third increments on each of the first three anniversaries of the date of grant.

FAQ

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

What insider transactions did ENVIRI (NVRI) report for Christophe Reitemeier?

Christophe Reitemeier exercised restricted stock units into 4,203 shares of ENVIRI common stock, with 1,976 shares withheld to satisfy tax obligations. These transactions reflect routine equity compensation activity rather than open-market buying or selling of shares.

How many ENVIRI (NVRI) shares does Christophe Reitemeier hold after this Form 4?

Following the reported transactions, Christophe Reitemeier directly holds 35,442 shares of ENVIRI common stock. This figure reflects his position after exercising restricted stock units and the related tax withholding share disposition recorded on March 11, 2026.

What happened to the restricted stock units reported by ENVIRI (NVRI)?

Restricted stock units converted into 4,203 shares of ENVIRI common stock upon vesting. These units were granted under the 2013 Equity and Incentive Compensation Plan and vest in one-third increments on each of the first three anniversaries of the grant date.

Was there an open-market sale of ENVIRI (NVRI) shares in this Form 4?

No open-market sale occurred. Instead, 1,976 shares of ENVIRI common stock were withheld at $17.94 per share to cover tax liabilities related to the vesting and exercise of restricted stock units, a standard compensation-related mechanism.

What is the significance of the tax withholding in ENVIRI (NVRI)’s Form 4?

The tax withholding shows 1,976 shares were surrendered at $17.94 per share to satisfy taxes from the RSU vesting. This is not an open-market sale and mainly reflects required tax payments on equity compensation rather than discretionary trading.

Under which plan were Christophe Reitemeier’s ENVIRI (NVRI) restricted stock units granted?

The restricted stock units were granted under ENVIRI’s 2013 Equity and Incentive Compensation Plan. They represent a contingent right to receive ENVIRI common stock on a one-for-one basis and vest in one-third increments over three years from the grant date.

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

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Accepted by SEC EDGAR 03/13/2026 - 02:56 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^*

Reitemeier Christophe

(Last) (First) (Middle)

TWO LOGAN SQUARE

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

(Street)

PHILADELPHIA PA 19103

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026

4. If Amendment, Date of 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

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	03/11/2026		M		4,203	A	$0	37,418	D
Common Stock	03/11/2026		F		1,976	D	$17.94	35,442	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
Restricted Stock Units	(1)	03/11/2026		M			4,203	(1)	(1)	Common Stock	4,203	$0	19,993	D

Explanation of Responses:

1. Restricted stock units granted under the 2013 Equity and Incentive Compensation Plan represent a contingent right to receive Enviri common stock on a one-for-one basis when the restricted stock units vest. The restricted stock units vest in one-third increments on each of the first three anniversaries of the date of grant.

Remarks:

	/s/ Christophe Reitemeier	03/13/2026
	** 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.