8-K current report · filed Jul 23, 2026

ADTRAN Holdings, Inc. (ADTN) 8-K Current Report: July 23, 2026

Item 1.01Item EX-99.1ADTN overview

Short answer

ADTRAN Holdings, Inc. (ADTN) filed an 8-K current report with the SEC on July 23, 2026 reporting Item 1.01 (Entry into a Material Definitive Agreement), Item EX-99.1 (Exhibit EX-99.1). New revolving credit facility permits up to $350.0M borrowings, with German Borrower capacity capped at $50.0M.

ADTRAN Holdings, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 1.01 · Entry into a Material Definitive Agreement

  • New revolving credit facility permits up to $350.0M borrowings, with German Borrower capacity capped at $50.0M
  • Refinances the July 18, 2022 Wells Fargo facility; proceeds available for general corporate purposes
  • Interest margins range 2.25%-3.25% for Term Benchmark loans and 1.25%-2.25% for Base Rate loans
  • Quarterly covenants cap senior secured net leverage at 3.25:1.0 and require fixed-charge coverage of at least 1.25:1.00
  • Substantially all assets and German Borrower shares secure obligations, increasing lender protection and restricting financial flexibility

Item EX-99.1 · Exhibit EX-99.1

  • New JPMorgan-led senior secured facility refinances existing credit arrangements
  • Lower borrowing costs and extended maturities should reduce refinancing pressure and interest expense
  • Increased liquidity and covenant flexibility support strategic investments and ongoing operations
  • Secured debt structure preserves capital access but heightens lender claims on company assets
  • Investor focus: facility size, interest rate, maturity dates, covenants, and collateral in the related 8-K terms

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