Newtyn Management discloses 6.2% Enviri Corp (NVRI) stake in Schedule 13G

Rhea-AI Filing Summary

Newtyn Management, LLC reported a 6.2% passive ownership stake in Enviri Corp common stock. As of December 31, 2025, Newtyn may be deemed to beneficially own 4,999,387 Enviri shares, including shares underlying options held through Newtyn TE Partners, LP and Newtyn Partners, LP.

The position consists of common shares plus call options with exercise prices of $15.00 and $17.50 per share, which expire on January 16, 2026. Newtyn certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Enviri.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Enviri Corp

(Name of Issuer)

Common Stock, par value $1.25 per share

(Title of Class of Securities)

415864107

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 415864107

1

Names of Reporting Persons

Newtyn Management, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,999,387.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,999,387.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,999,387.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: See Item 2 for additional information.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Enviri Corp
(b)	Address of issuer's principal executive offices: Two Logan Square, 100-120 North 18th Street, 17th Floor Philadelphia, PA 19103
Item 2.
(a)	Name of person filing: This report on Schedule 13G is being filed by Newtyn Management, LLC, a New York limited liability company (the "Reporting Person"). The Reporting Person is the investment manager to Newtyn TE Partners, LP, a Delaware limited partnership ("NTE"), and Newtyn Partners, LP, a Delaware limited partnership ("NP"). As of December 31, 2025, NTE held (i) 2,888,415 shares of common stock (the "Common Stock") of Enviri Corp (the "Issuer"), (ii) options to purchase 124,600 shares of Common Stock at an exercise price of $15.00 per share which expire on January 16, 2026, and (iii) options to purchase 124,600 shares of Common Stock at an exercise price of $17.50 per share which expire on January 16, 2026, and NP held (i) 1,710,972 shares of Common Stock, (ii) options to purchase 75,400 shares of Common Stock of the Issuer at an exercise price of $15.00 per share which expire on January 16, 2026, and (iii) options to purchase 75,400 shares of Common Stock of the Issuer at an exercise price of $17.50 per share which expire on January 16, 2026. The Reporting Person, as the investment manager to NTE and NP, may be deemed to beneficially own these securities. Accordingly, as of December 31, 2025, the Reporting Person may be deemed to beneficially own the 4,999,387 shares of Common Stock, including shares of Common Stock underlying options, held in the aggregate by NTE and NP. Beneficial ownership percentages are based upon approximately 80,652,661 shares of Common Stock issued and outstanding as of October 31, 2025, based on information reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025.
(b)	Address or principal business office or, if none, residence: The address for the Reporting Person is 60 East 42nd Street, 12th Floor, New York, NY 10165.
(c)	Citizenship: The Reporting Person is organized under the laws of the State of New York.
(d)	Title of class of securities: Common Stock, par value $1.25 per share
(e)	CUSIP No.: 415864107
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 4,999,387.00
(b)	Percent of class: 6.2%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,999,387.00
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 4,999,387.00
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Newtyn Management, LLC

Signature:	/s/ Eugene Dozortsev
Name/Title:	Eugene Dozortsev, Authorized Signatory
Date:	02/17/2026

FAQ

What percentage of Enviri Corp (NVRI) does Newtyn Management own?

Newtyn Management, LLC reports beneficial ownership of 6.2% of Enviri Corp’s common stock. This corresponds to 4,999,387 shares, including shares underlying options, based on approximately 80,652,661 Enviri shares outstanding as of October 31, 2025.

How many Enviri Corp (NVRI) shares does Newtyn Management report holding?

Newtyn Management, LLC reports beneficial ownership of 4,999,387 Enviri shares. This total includes common stock and shares underlying options held by Newtyn TE Partners, LP and Newtyn Partners, LP, as of December 31, 2025.

What Enviri Corp (NVRI) options are held by Newtyn-affiliated funds?

Newtyn TE Partners, LP holds options to buy 249,200 shares (124,600 at $15.00 and 124,600 at $17.50). Newtyn Partners, LP holds options for 150,800 shares (75,400 at $15.00 and 75,400 at $17.50), all expiring January 16, 2026.

Is Newtyn Management seeking to influence control of Enviri Corp (NVRI)?

Newtyn Management, LLC certifies the Enviri securities were acquired and are held in the ordinary course of business. It states they were not acquired and are not held for the purpose of changing or influencing control of Enviri Corp.

How is Newtyn Management’s Enviri (NVRI) ownership structured?

Newtyn Management, LLC acts as investment manager to Newtyn TE Partners, LP and Newtyn Partners, LP. Those funds hold Enviri common stock and call options, and Newtyn may be deemed to beneficially own their combined 4,999,387-share position.

What share count did Newtyn use to calculate its 6.2% Enviri (NVRI) stake?

The reported 6.2% beneficial ownership is based on approximately 80,652,661 Enviri common shares issued and outstanding as of October 31, 2025, as reported by Enviri in a Form 10-Q filed November 10, 2025.