8-K current report · filed Jun 26, 2026

ADTRAN Holdings, Inc. (ADTN) 8-K Current Report: June 26, 2026

Item 5.02Item 8.01Item EX-99.1ADTN overview

Short answer

ADTRAN Holdings, Inc. (ADTN) filed an 8-K current report with the SEC on June 26, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers), Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). Board expanded from six to seven directors, signaling added governance capacity.

ADTRAN Holdings, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • Board expanded from six to seven directors, signaling added governance capacity
  • Anne DelSanto joins effective July 1, 2026, bringing an additional independent director under Nasdaq standards
  • Appointment to Compensation Committee increases independent oversight of executive pay
  • Standard non-employee director compensation, with no related-party transactions or selection arrangements disclosed

Item 8.01 · Other Events

  • Board appointment of Ms. DelSanto, expanding ADTRAN Holdings’ director slate
  • Exhibit 99.1 contains Ms. DelSanto’s biographical and qualification details
  • Investor focus: potential governance, oversight, and strategic-direction implications

Item EX-99.1 · Exhibit EX-99.1

  • Anne DelSanto appointed independent director effective July 1, 2026
  • Adds over 30 years of cloud, SaaS, AI, and enterprise technology experience
  • Board expertise supports ADTRAN’s expansion into cloud infrastructure and AI-driven networking
  • Current Advanced Energy director with prior Juniper Networks and New Relic board experience

Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean

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