---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-298171"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2022-12-05T23:59:59+00:00"
generated_at: "2026-06-21T10:01:37.619581+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ADTRAN Holdings signs domination and profit transfer agreement with ADVA; offers EUR 17.21/share exit

## Summary
- ADTRAN Holdings held 65.34% of ADVA shares as of Nov 30, 2022; DPLTA signed Dec 1 after shareholder vote.
- Offers minority ADVA shareholders EUR 17.21 per share exit compensation or EUR 0.59 gross (EUR 0.52 net) annual.
- DPLTA effectiveness subject to German commercial register registration, no earlier than Jan 1, 2023.
- Potential shareholder litigation in Germany could delay registration of the DPLTA.

## SEC filing metadata
- accession: 0001193125-22-298171
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2022-12-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000119312522298171/0001193125-22-298171-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000119312522298171/d370987d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-298171
- JSON: https://secwatch.observer/filing/0001193125-22-298171.json
- Plain text: https://secwatch.observer/filing/0001193125-22-298171.txt

## Key facts
- Material Agreements
  ADTRAN Holdings, Inc. entered into domination and profit and loss transfer agreement (the “DPLTA”) with ADVA Optical Networking SE (effective 2022-12-01).
  - Action: entry
  - Counterparty: ADVA Optical Networking SE
  - Effective: 2022-12-01
  source text: (the “Company”), on October 18, 2022, the Board of Directors of the Company and the management board of ADVA Optical Networking SE, a company organized and existing under the laws of Germany (“ADVA”), agreed on a final draft of a domination and profit and loss transfer agreement (the “ DPLTA”) between the Company, as the controlling company, and ADVA, as the controlled company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/926282/000119312522298171/0001193125-22-298171-index.htm

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