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ADTRAN Holdings, Inc.

For the period ended Jun 30, 2026. Filed Aug 4, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 4, 2026

ADTN$4.29+6.2%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

Exhibits.

Exhibit No.Description
3.1Amended and Restated Certificate of Incorporation of ADTRAN Holdings, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Form 8-K filed July 8, 2022)
3.2Certificate of Amendment to the Amended and Restated Certificate of Incorporation of ADTRAN Holdings, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Form 8-K filed May 18, 2026)
3.3Second Amended and Restated Bylaws of ADTRAN Holdings, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Form 8-K filed October 24, 2023)
10.1Second Amendment to the CEO Employment Agreement, dated April 6, 2026 (incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K filed April 7, 2026)
10.2Form of 2026 3-Year Performance Shares Agreement under the ADTRAN Holdings, Inc. 2024 Employee Stock Incentive Plan (incorporated by reference to Exhibit 10.2 to the Company’s Form 8-K filed April 7, 2026)
10.3Form of 2026 CEO 3-Year Performance Shares Agreement under the ADTRAN Holdings, Inc. 2024 Employee Stock Incentive Plan (incorporated by reference to Exhibit 10.3 to the Company’s Form 8-K filed April 7, 2026)
10.4Credit Agreement dated July 21, 2026, by and among ADTRAN Holdings, Inc., as holdings, ADTRAN, Inc. and Adtran Networks SE, as borrowers, JPMorgan Chase Bank, N.A. and J.P. Morgan SE, as administrative agents and the lenders party thereto (incorporated by reference to Exhibit 10.1 to the Company's Form 8-K filed July 23, 2026)
10.5Guarantee and Collateral Agreement dated July 21, 2026 by and among ADTRAN Holdings, Inc., ADTRAN, Inc. and certain subsidiaries party thereto in favor of JPMorgan Chase Bank, N.A. (incorporated by reference to Exhibit 10.2 to the Company's Form 8-K filed July 23, 2026)
10.6Share Pledge Agreement dated July 21, 2026 by and among ADTRAN Holdings, Inc., Adtran Networks SE, and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to Exhibit 10.3 to the Company's Form 8-K filed July 23, 2026)
31.1*Certification of the Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*Certification of the Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32*Section 1350 Certifications
101The following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, formatted in Inline XBRL: (i) Condensed Consolidated Balance Sheets as of June 30, 2026 and December 31, 2025; (ii) Condensed Consolidated Statements of Loss for the three and six months ended June 30, 2026 and 2025; (iii) Condensed Consolidated Statements of Comprehensive (Loss) Income for the three and six months ended June 30, 2026 and 2025; (iv) Condensed Consolidated Statements of Changes in Equity for the three and six months ended June 30, 2026 and 2025; (v) Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2026 and 2025; and (vi) Notes to Condensed Consolidated Financial Statements
104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
  • Filed herewith.
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