secwatch.observer — SEC 8-K summary
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Issuer:     ADTRAN Holdings, Inc. (ADTN)
CIK:        0000926282
Form:       8-K
Filed at:   2023-09-29T23:59:59+00:00
Accession:  0001193125-23-246498
Event type: leadership
Sentiment:  neutral
Materiality: 0.30
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Director Johanna Hey resigns from ADTRAN Holdings board effective Sept 30, 2023
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- Johanna Hey notified the Board on Sept 25, 2023 of her resignation effective Sept 30, 2023.
- Resignation due to family and medical reasons; no disagreement with the Company or Board.
- Ms. Hey's departure reduces board size; no replacement named in the filing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/926282/000119312523246498/0001193125-23-246498-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/926282/000119312523246498/d479192d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-23-246498

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