---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-283882"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2026-06-26T11:02:34+00:00"
generated_at: "2026-06-26T11:05:17.266256+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Adtran appoints Anne DelSanto to board effective July 1, 2026

## Summary
- Board increased from 6 to 7 directors; DelSanto elected as independent member.
- DelSanto appointed to Compensation Committee; qualifies as independent under Nasdaq.
- She brings 30+ years of tech experience at Salesforce, Oracle, IBM in cloud, SaaS, AI.
- Currently serves on board of Advanced Energy (AEIS); former public board roles at Juniper and New Relic.
- Appointment aligns with Adtran's strategy into cloud infrastructure and AI-driven networking.

## SEC filing metadata
- accession: 0001193125-26-283882
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2026-06-26T11:02:34+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000119312526283882/0001193125-26-283882-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000119312526283882/adtn-20260623.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-283882
- JSON: https://secwatch.observer/filing/0001193125-26-283882.json
- Plain text: https://secwatch.observer/filing/0001193125-26-283882.txt

## Key facts
- Executive change
  Anne DelSanto was elected as Director at ADTRAN Holdings, Inc..
  - Action: elected
  - Role: Director
  source text: voted unanimously to increase the size of the Board from six (6) to seven (7) directors and to elect Anne DelSanto to fill the vacancy created by the increase in the size of the Board, effective as of July 1, 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/926282/000119312526283882/0001193125-26-283882-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.