---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-089974"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2024-08-02T23:59:59+00:00"
generated_at: "2026-05-31T13:34:36.686303+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# ADTRAN board member Brian Protiva resigns effective July 31, 2024

## Summary
- Brian Protiva resigned from the Board of Directors on July 31, 2024.
- Resignation was not due to any disagreement with the Company or the Board.
- No replacement has been announced as of the filing date.

## SEC filing metadata
- accession: 0000950170-24-089974
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2024-08-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000095017024089974/0000950170-24-089974-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000095017024089974/adtn-20240731.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-089974
- JSON: https://secwatch.observer/filing/0000950170-24-089974.json
- Plain text: https://secwatch.observer/filing/0000950170-24-089974.txt

## Key facts
- Executive change
  Brian Protiva resigned as member of the Board of Directors at ADTRAN Holdings, Inc..
  - Action: resigned
  - Role: member of the Board of Directors
  source text: On July 31, 2024, Mr. Brian Protiva notified ADTRAN Holdings, Inc. (the “Company”) of his resignation from his role as a member of the Company’s Board of Directors (the “Board”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/926282/000095017024089974/0000950170-24-089974-index.htm

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