secwatch.observer — SEC 8-K summary
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Issuer:     ADTRAN Holdings, Inc. (ADTN)
CIK:        0000926282
Form:       8-K
Filed at:   2023-05-30T23:59:59+00:00
Accession:  0001193125-23-156741
Event type: leadership
Sentiment:  neutral
Materiality: 0.50
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

ADVA CEO Christoph Glingener to step down; Thomas Stanton to assume role July 1, 2023
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- Christoph Glingener steps down as CEO of ADVA effective June 30, 2023; returns to CTO of ADVA and remains CTO of ADTRAN Holdings.
- Thomas Stanton, President and CEO of ADTRAN Holdings, becomes CEO of ADVA effective July 1, 2023.
- Transition is a planned leadership change at the majority-owned subsidiary.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/926282/000119312523156741/0001193125-23-156741-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/926282/000119312523156741/d462466d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-23-156741

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