NVRI

nvri-202602240000045876false00000458762026-02-242026-02-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) February 24, 2026

Enviri Corporation (Exact name of registrant as specified in its charter)

Delaware001-0397023-1483991 (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)

Two Logan Square 100-120 North 18th Street, 17th Floor, Philadelphia, Pennsylvania 19103 (Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code (267) 857-8715

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $1.25 per shareNVRINew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02     Results of Operations and Financial Condition. On February 24, 2026, Enviri Corporation (the “Company”) issued a press release announcing its earnings for the fourth quarter ended December 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1. The information is being furnished in this report and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 9.01    Financial Statements and Exhibits. (d) Exhibits The following exhibits are furnished as part of the Current Report on Form 8-K:

Exhibit 99.1Earnings press release dated February 24, 2026.

Exhibit 104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Enviri Corporation Date:February 24, 2026 /s/ TOM VADAKETH Tom Vadaketh Senior Vice President and Chief Financial Officer

nvri-202511100000045876false00000458762025-11-102025-11-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) November 10, 2025

Enviri Corporation (Exact name of registrant as specified in its charter)

Delaware001-0397023-1483991 (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)

Two Logan Square 100-120 North 18th Street, 17th Floor, Philadelphia, Pennsylvania 19103 (Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code (267) 857-8715

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $1.25 per shareNVRINew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02     Results of Operations and Financial Condition. On November 10, 2025, Enviri Corporation (the “Company”) issued a press release announcing its earnings for the third quarter ended September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1. The information is being furnished in this report and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 9.01    Financial Statements and Exhibits. (d) Exhibits The following exhibits are furnished as part of the Current Report on Form 8-K:

Exhibit 99.1Earnings press release dated November 10, 2025.

Exhibit 104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Enviri Corporation Date:November 10, 2025 /s/ TOM VADAKETH Tom Vadaketh Senior Vice President and Chief Financial Officer

nvri-202508050000045876false00000458762025-08-052025-08-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) August 5, 2025

Enviri Corporation (Exact name of registrant as specified in its charter)

Delaware001-0397023-1483991 (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)

Two Logan Square 100-120 North 18th Street, 17th Floor, Philadelphia, Pennsylvania 19103 (Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code (267) 857-8715

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $1.25 per shareNVRINew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02     Results of Operations and Financial Condition. On August 5, 2025, Enviri Corporation (the “Company”) issued a press release announcing its earnings for the second quarter ended June 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1. The information is being furnished in this report and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 7.01    Regulation FD Disclosure. On August 5, 2025, the Company issued a press release announcing its Board of Directors has authorized management to conduct a formal process to evaluate and explore strategic alternatives aimed at unlocking shareholder value. There can be no assurances regarding any specific outcome or transaction resulting from this review. The Company has not established a timetable for completion of the review and does not intend to provide additional updates unless and until it determines further disclosure is appropriate or necessary. A copy of the press release is attached hereto as Exhibit 99.2. The information is being furnished in this report and shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 9.01    Financial Statements and Exhibits. (d) Exhibits The following exhibits are furnished as part of the Current Report on Form 8-K:

Exhibit 99.1Earnings press release dated August 5, 2025.

Exhibit 99.2Press release dated August 5, 2025.

Exhibit 104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Enviri Corporation Date:August 5, 2025 /s/ TOM VADAKETH Tom Vadaketh Senior Vice President and Chief Financial Officer