secwatch.observer — SEC 8-K summary
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Issuer:     ADTRAN Holdings, Inc. (ADTN)
CIK:        0000926282
Form:       8-K
Filed at:   2024-02-27T23:59:59+00:00
Accession:  0000950170-24-020613
Event type: earnings
Sentiment:  negative
Materiality: 0.70
Item codes: 2.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Adtran Q4 prelim: GAAP net loss $109.9M, non-GAAP EPS -$1.09
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- Preliminary Q4 revenue $225.5M; non-GAAP operating margin -1.4% (upper end of -7% to 0% guidance).
- GAAP gross margin 34.8% (+483 bps YoY); non-GAAP gross margin 41.9% (+277 bps YoY).
- GAAP operating expenses down 7.6% sequentially; non-GAAP operating expenses down 15.1% sequentially.
- Preliminary diluted loss per share: GAAP -$1.40, non-GAAP -$1.09; inventory write-off $3.3M vs $21M in Q3.
- Management cites macro headwinds and elevated customer inventories; sees unchanged fiber demand landscape.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/926282/000095017024020613/0000950170-24-020613-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/926282/000095017024020613/adtn-20240226.htm
  HTML page:      https://secwatch.observer/filing/0000950170-24-020613

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer