secwatch.observer — SEC 8-K summary
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Issuer:     ADTRAN Holdings, Inc. (ADTN)
CIK:        0000926282
Form:       8-K
Filed at:   2026-02-26T23:59:59+00:00
Accession:  0001193125-26-073361
Event type: earnings
Sentiment:  positive
Materiality: 0.75
Item codes: 2.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Adtran Q4 revenue $291.6M (+20.1% YoY), beats guidance; non-GAAP EPS $0.16
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- Q4 revenue $291.6M, +20.1% YoY; GAAP diluted loss per share $0.02, non-GAAP diluted EPS $0.16.
- GAAP gross margin 39.0% (up 213 bps YoY); non-GAAP gross margin 42.5% (up 122 bps).
- Net cash from operations $42.2M; cash and equivalents $95.7M.
- Q1 2026 guidance: revenue $275M-$295M; non-GAAP operating margin 4%-8%.
- CEO cites solid execution, fiber investment momentum; cloud/enterprise and broadband drivers.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/926282/000119312526073361/0001193125-26-073361-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/926282/000119312526073361/adtn-20260225.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-073361

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