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AI brief of an SEC Form 8-K · ADTRAN Holdings, Inc. (ADTN)

ADTRAN Holdings Q3 revenue rises 0.6% to $281.2 million; loss narrows to $0.10 a share

Positive Impact 3 of 5 earnings Written later

ADTRAN Holdings reported third quarter 2026 revenue of $281.2 million, up 0.6% from a year earlier, and a GAAP diluted loss of $0.10 per share, compared with a loss of $0.12 a year earlier. The company said revenue came in slightly below the midpoint of its guidance range and gave fourth quarter 2026 revenue guidance of $272.0 million to $292.0 million, with a non-GAAP operating margin of 1.0% to 5.0%.

Key points

  • Q3 2026 revenue was $281.2 million, up 0.6% from $279.4 million in Q3 2025; the CEO said revenue was slightly below the midpoint of guidance
  • GAAP diluted loss per share was $0.10 versus $0.12 a year earlier; non-GAAP diluted earnings per share was $0.09
  • Q4 2026 revenue is expected between $272.0 million and $292.0 million, with non-GAAP operating margin of 1.0% to 5.0%
  • Net cash used in operating activities was $24.5 million in the quarter; cash, cash equivalents and restricted cash were $71.7 million

The filing

CompanyADTRAN Holdings, Inc. (ADTN)
Form8-K, current report
Filed with the SECNov 3, 2026, 8:11 AM ET
Accession number0001193125-26-444397

Items reported: 2.02 Results of Operations7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:29 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 03, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.