---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-342359"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2026-08-10T20:06:53+00:00"
generated_at: "2026-08-10T20:08:30.454775+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# ADTRAN amends CTO Glingener's pay: €400k salary, bonus 60%, RSU 75%, PSUs through 2028

## Summary
- Employment term extended to Dec 31, 2026; annual base salary remains €400,000.
- Annual cash bonus target set at 60% of base; time-based RSU target 75% of base (cap €903,729).
- Long-term financial plan PSU target €903,729 in 3 tranches, tied to 2026-2028 Adjusted EBIT, cap €2,000,000.
- Total annual remuneration capped at €2,800,000; RSU and PSU grants issued Aug 10, 2026.

## SEC filing metadata
- accession: 0001193125-26-342359
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2026-08-10T20:06:53+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000119312526342359/0001193125-26-342359-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000119312526342359/adtn-20260810.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-342359
- JSON: https://secwatch.observer/filing/0001193125-26-342359.json
- Plain text: https://secwatch.observer/filing/0001193125-26-342359.txt

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