8-K current report · filed Jul 22, 2026

ADTRAN Holdings, Inc. (ADTN) 8-K Current Report: July 22, 2026

Item 2.02Item EX-99.1ADTN overview

Short answer

ADTRAN Holdings, Inc. (ADTN) filed an 8-K current report with the SEC on July 22, 2026 reporting Item 2.02 (Results of Operations and Financial Condition), Item EX-99.1 (Exhibit EX-99.1). Preliminary Q2 FY2026 results for quarter ended June 30, 2026 disclosed under German MAR requirements.

ADTRAN Holdings, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 2.02 · Results of Operations and Financial Condition

  • Preliminary Q2 FY2026 results for quarter ended June 30, 2026 disclosed under German MAR requirements
  • July 22, 2026 ad hoc announcement signals potentially material deviation from prior guidance or analyst consensus
  • Investors should review Exhibit 99.2 for the disclosed financial results and variance details

Item EX-99.1 · Exhibit EX-99.1

  • Preliminary Q2 2026 revenue $280.0–$282.0M, below guidance of $283.0–$303.0M due to a single-customer project delay
  • Non-GAAP operating margin 3.5%–4.0%, below guidance of 5.0%–9.0%, pressured by elevated component and freight costs
  • GAAP operating margin negative 3.2%–4.0% and GAAP EPS loss $(0.12)–$(0.14)
  • Non-GAAP EPS $0.03–$0.05 on 80.948M weighted-average shares, indicating positive adjusted earnings despite GAAP losses
  • Q3 revenue outlook $275.0–$295.0M with non-GAAP operating margin 1.5%–5.5%, signaling continued near-term margin pressure

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