Enviri SVP exercises RSUs, withholds shares for tax

Enviri Corp SVP and President-Harsco Rail Gary Raymond Lada reported compensation-related equity activity.

Rhea-AI Filing Summary

Enviri Corp SVP and President-Harsco Rail Gary Raymond Lada reported compensation-related equity activity. He exercised restricted stock units into 21,342 shares of Enviri common stock, then delivered 9,250 shares at $19.53 per share to cover tax obligations. Following these transactions, he directly holds 12,092 shares of common stock. A footnote explains the restricted stock units were granted under Enviri’s 2013 Equity and Incentive Compensation Plan and had vested and settled as approved in connection with Enviri’s sale of its Clean Earth division.

Insider Trade Summary

21,342 shares exercised/converted

Exercise 3 txns

Insider Lada Gary Raymond

Role SVP and President-Harsco Rail

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	21,342	$0.00	$0.00
Exercise	Common Stock	21,342	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	9,250	$19.53	$181K

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 12,092 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 have been vested and settled, as approved on May 18, 2026 by the Enviri Board of Directors in connection with Enviri's sale of its Clean Earth division.

Key Figures

RSUs exercised: 21,342 shares Tax-withholding shares: 9,250 shares Tax-withholding price: $19.53 per share +3 more

6 metrics

RSUs exercised 21,342 shares Restricted stock units converted to Enviri common stock on May 20, 2026

Tax-withholding shares 9,250 shares Shares delivered to satisfy tax obligations at $19.53 per share

Tax-withholding price $19.53 per share Value used for 9,250-share tax-withholding disposition

Shares held after transactions 12,092 shares Direct Enviri common stock holdings after Form 4 transactions

Exercise transactions 1 transaction One derivative exercise/conversion recorded in transaction summary

Tax-withholding events 1 transaction One tax-withholding disposition recorded in transaction summary

Key Terms

Restricted Stock Units, tax-withholding disposition, derivative exercise/conversion, 2013 Equity and Incentive Compensation Plan, +1 more

5 terms

Restricted Stock Units financial

"Restricted stock units granted under the 2013 Equity and Incentive Compensation Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax-withholding disposition financial

"transaction_action is described as a tax-withholding disposition of shares"

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.

derivative exercise/conversion financial

"transaction_action describes the RSU event as a derivative exercise/conversion"

2013 Equity and Incentive Compensation Plan financial

"Restricted stock units were granted under the 2013 Equity and Incentive Compensation Plan"

derivative security financial

"transaction_code_description notes exercise or conversion of a derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

FAQ

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

What insider transactions did Enviri (NVRI) SVP Gary Raymond Lada report?

Gary Raymond Lada exercised restricted stock units into 21,342 Enviri common shares, then delivered 9,250 shares to satisfy tax obligations. These were compensation-related events, not open-market purchases or sales of stock.

How many Enviri (NVRI) shares does Gary Raymond Lada own after this Form 4?

After the reported transactions, Gary Raymond Lada directly holds 12,092 shares of Enviri common stock. This figure reflects his position after exercising restricted stock units and delivering shares to cover associated tax liabilities.

Were Enviri (NVRI) shares sold on the open market in this Form 4?

The Form 4 shows a tax-withholding disposition of 9,250 shares at $19.53 per share, used to satisfy tax obligations. It does not report any open-market purchase or sale decisions by the executive.

What equity award did Enviri (NVRI) SVP Lada exercise in this filing?

He exercised restricted stock units granted under Enviri’s 2013 Equity and Incentive Compensation Plan, converting 21,342 units into an equal number of common shares. The award had vested and been settled as approved in connection with Enviri’s Clean Earth division sale.

What is the significance of the tax-withholding shares in the Enviri (NVRI) Form 4?

The 9,250 shares classified as a tax-withholding disposition were delivered to cover tax liabilities from the vesting and settlement of restricted stock units. This is a routine mechanism and not an elective open-market sale of Enviri stock.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/22/2026 - 03:59 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^*

Lada Gary Raymond

(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)
	SVP and President-Harsco Rail

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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	05/20/2026		M		21,342	A	$0	21,342	D
Common Stock	05/20/2026		F		9,250	D	$19.53	12,092	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)	05/20/2026		M			21,342	(1)	(1)	Common Stock	21,342	$0	0	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 have been vested and settled, as approved on May 18, 2026 by the Enviri Board of Directors in connection with Enviri's sale of its Clean Earth division.

Remarks:

	/s/ Gary R. Lada	05/22/2026
	** 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)