Adtran Holdings, INC. (ADTN) — SEC Filings

Q: What are the key financial highlights for Adtran Holdings, INC.?

Key financial highlights for Adtran Holdings, INC. are extracted from the most recent 10-K or 10-Q filings, including revenue, net income, EPS, debt-to-equity, cash position, and operating margin.

Q: Who are the key executives at Adtran Holdings, INC.?

Key executives at Adtran Holdings, INC. are identified from SEC filings including 10-K annual reports, proxy statements, and insider trade forms.

Q: What are the main risk factors for Adtran Holdings, INC. stock?

Risk factors for Adtran Holdings, INC. (ADTN) are assessed from SEC filings using AI analysis. Each filing is categorized as high, medium, or low risk based on disclosed risk factors and financial indicators.

Q: What are recent predictions and forward guidance from Adtran Holdings, INC.?

Forward-looking statements and predictions from Adtran Holdings, INC. are extracted from SEC filings including earnings reports, annual reports, and current event filings.

Latest SEC filings for Adtran Holdings, INC.. Recent 8-K filing on Apr 7, 2026. AI-decoded analysis of earnings, risk factors, and insider trades.

View Adtran Holdings, INC. on SEC EDGAR

Overview

Adtran Holdings, INC. (ADTN) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a ARS filed on Mar 27, 2026: ADTRAN Holdings, Inc. filed its Annual Report to Security Holders (ARS) on March 27, 2026, for the period ending December 31, 2025. The filing includes the complete submission text file and the ARS document itself, totaling over 10MB in size. The company's mailing and business address is 901 Explore

Sentiment Summary

Across 49 filings, the sentiment breakdown is: 2 bearish, 46 neutral, 1 mixed. The dominant filing sentiment for Adtran Holdings, INC. is neutral.

Filing Type Overview

Adtran Holdings, INC. (ADTN) has filed 26 8-K, 1 ARS, 3 DEFA14A, 5 10-Q, 1 8-K/A, 1 10-K/A, 2 DEF 14A, 2 10-K, 5 SC 13G/A, 3 SC 13G with the SEC between Jan 2024 to Apr 2026.

Filings by Year

2026 · 2025 · 2024

Recent Filings (49)

8-K Filing — 8-K · Apr 7, 2026
ADTRAN Holdings Files 2025 Annual Report — ARS · Mar 27, 2026 Risk: low
ADTRAN Holdings, Inc. filed its Annual Report to Security Holders (ARS) on March 27, 2026, for the period ending December 31, 2025. The filing includes the comp
ADTRAN Holdings DEFA14A Proxy Filing — DEFA14A · Mar 27, 2026 Risk: low
ADTRAN Holdings, Inc. filed a Definitive Proxy Statement (DEFA14A) on March 27, 2026. This filing relates to the solicitation of proxies for the company's upcom
8-K Filing — 8-K · Dec 11, 2025
ADTRAN Narrows Losses by 69% on Strong Revenue Growth — 10-Q · Nov 4, 2025 Risk: medium
ADTRAN Holdings, Inc. reported a significant improvement in its financial performance for the three and nine months ended September 30, 2025, despite remaining
ADTRAN Holdings Reports Material Agreement and Equity Sales — 8-K · Sep 22, 2025 Risk: medium
ADTRAN Holdings, Inc. filed an 8-K on September 19, 2025, reporting the entry into a material definitive agreement and the creation of a direct financial obliga
ADTRAN Holdings Files 8-K: Material Agreement & Financials — 8-K · Sep 17, 2025 Risk: medium
ADTRAN Holdings, Inc. filed an 8-K on September 17, 2025, reporting on events that occurred on September 15, 2025. The filing indicates an entry into a material
ADTRAN's Q2 Revenue Plunges 35% Amid Weak Demand, Net Loss Widens — 10-Q · Aug 5, 2025 Risk: high
ADTRAN Holdings, Inc. reported a significant decline in revenue for the second quarter of 2025, with total revenue falling to $210.5 million from $323.4 million
ADTRAN Holdings Files 8-K with Key Corporate Updates — 8-K · Jul 30, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on July 30, 2025, reporting events that occurred on July 24, 2025. The filing indicates submission of matters to a vote of se
ADTRAN Holdings Amends 8-K Filing — 8-K/A · Jul 17, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K/A on July 17, 2025, to amend a previous filing. The amendment pertains to Item 8.01 (Other Events) and includes financial sta
ADTRAN Holdings Files 8-K on Financials — 8-K · Jul 16, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on July 16, 2025, reporting on its results of operations and financial condition. The filing also includes Regulation FD disc
ADTRAN Holdings Files Proxy Statement Amendment — DEFA14A · Jun 6, 2025 Risk: low
ADTRAN Holdings, Inc. filed an amendment (Amendment No. 1) to its definitive proxy statement on June 6, 2025. This filing relates to the solicitation of proxies
ADTRAN Holdings Files 8-K on Financials — 8-K · May 28, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on May 27, 2025, reporting on its results of operations and financial condition. The filing includes financial statements and
ADTRAN Holdings Files 8-K — 8-K · May 27, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on May 27, 2025, reporting other events and financial statements. The filing does not contain specific details on new materia
ADTRAN Holdings Files 2024 Annual Report Amendment — 10-K/A · May 20, 2025 Risk: low
ADTRAN Holdings, Inc. filed an amendment (10-K/A) to its annual report on May 20, 2025, for the fiscal year ending December 31, 2024. The filing provides update
ADTRAN Restates Financials Due to Internal Control Review — 8-K · May 13, 2025 Risk: medium
ADTRAN Holdings, Inc. announced on May 13, 2025, that it will not rely on previously issued financial statements for the fiscal year ended December 31, 2024, an
ADTRAN Holdings Reports Material Agreement — 8-K · May 12, 2025 Risk: medium
ADTRAN Holdings, Inc. filed an 8-K on May 12, 2025, reporting an entry into a material definitive agreement on May 6, 2025. The filing also includes financial s
ADTRAN Holdings Files 8-K on Financials — 8-K · May 8, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on May 8, 2025, reporting on its results of operations and financial condition. The filing also includes Regulation FD disclo
ADTRAN Holdings Files 8-K — 8-K · Apr 16, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on April 16, 2025, reporting events on April 15, 2025. The filing primarily concerns Regulation FD disclosures and the filing
ADTRAN Holdings Inc. Executive Compensation Filing — DEF 14A · Mar 31, 2025 Risk: low
ADTRAN Holdings, Inc. filed a DEF 14A on March 31, 2025, detailing executive compensation for the fiscal year ending December 31, 2024. The filing includes info
ADTRAN Holdings Files 8-K on Executive Changes and Filings — 8-K · Mar 7, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on March 7, 2025, reporting events as of March 6, 2025. The filing covers the departure of directors or certain officers, ele
ADTRAN Holdings Files 2024 10-K — 10-K · Mar 3, 2025 Risk: medium
ADTRAN Holdings, Inc. filed its 2024 10-K on March 3, 2025, reporting on its fiscal year ending December 31, 2024. The company, based in Huntsville, AL, operate
ADTRAN Holdings Files 8-K on Financials — 8-K · Feb 27, 2025 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on February 27, 2025, reporting on its results of operations and financial condition as of February 26, 2025. The filing also
SC 13G/A Filing — SC 13G/A · Nov 14, 2024
SC 13G/A Filing — SC 13G/A · Nov 12, 2024
SC 13G Filing — SC 13G · Nov 12, 2024
ADTRAN Holdings Files Q3 2024 10-Q — 10-Q · Nov 12, 2024 Risk: low
ADTRAN Holdings, Inc. filed its 10-Q for the period ending September 30, 2024. The filing details the company's financial performance and position, including it
ADTRAN Holdings, Inc. Files 8-K — 8-K · Nov 7, 2024 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on November 6, 2024, reporting its principal executive offices located at 901 Explorer Boulevard, Huntsville, Alabama. The fi
SC 13G Filing — SC 13G · Nov 4, 2024
ADTRAN Names New CFO, Announces Stock Grants — 8-K · Aug 30, 2024 Risk: medium
ADTRAN Holdings, Inc. announced on August 27, 2024, the appointment of Michael Brady as Chief Financial Officer, effective September 3, 2024. Brady will receive
ADTRAN Holdings Files Q2 2024 10-Q — 10-Q · Aug 9, 2024 Risk: medium
ADTRAN Holdings, Inc. filed its 10-Q for the period ending June 30, 2024. The company reported its financial performance and operational updates. Key financial
ADTRAN Holdings Files 8-K on Financials — 8-K · Aug 6, 2024 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on August 5, 2024, reporting on its results of operations and financial condition. The filing also includes Regulation FD dis
ADTRAN Holdings Appoints New Directors — 8-K · Aug 2, 2024 Risk: low
On July 31, 2024, ADTRAN Holdings, Inc. announced changes to its Board of Directors. Effective immediately, Michael W. Brady and Michael S. McVee have been appo
SC 13G/A Filing — SC 13G/A · Jul 8, 2024
ADTRAN Secures $250M Credit Facility — 8-K · Jun 10, 2024 Risk: low
On June 4, 2024, ADTRAN Holdings, Inc. entered into a Material Definitive Agreement, specifically a Credit Agreement with Bank of America, N.A. as administrativ
ADTRAN Holdings, Inc. Files 10-Q for Period Ending March 31, 2024 — 10-Q · May 10, 2024 Risk: low
ADTRAN Holdings, Inc. (ADTN) filed a Quarterly Report (10-Q) with the SEC on May 10, 2024. ADTRAN Holdings, Inc. filed a 10-Q report for the period ending March
ADTRAN Holdings Reports Director Changes and Compensation Updates — 8-K · May 9, 2024 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on May 8, 2024, reporting on the departure of a director, election of a new director, and changes in officer compensation. Th
ADTRAN Holdings Files 8-K on Financials — 8-K · May 7, 2024 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on May 7, 2024, reporting on its results of operations and financial condition as of May 6, 2024. The filing also includes Re
ADTRAN Holdings Files 8-K on Financials — 8-K · May 3, 2024 Risk: low
ADTRAN Holdings, Inc. filed an 8-K on May 3, 2024, to report on its results of operations and financial condition. The filing also includes Regulation FD disclo
ADTRAN Holdings Reports Exit/Disposal Costs — 8-K · Apr 17, 2024 Risk: medium
ADTRAN Holdings, Inc. filed an 8-K on April 17, 2024, reporting on cost associated with exit or disposal activities as of April 11, 2024. The filing details fin
ADTRAN Holdings Files Proxy Supplement — DEFA14A · Apr 4, 2024 Risk: low
ADTRAN Holdings, Inc. filed a Definitive Additional Materials proxy statement on April 4, 2024. This filing supplements their previous proxy materials, indicati
ADTRAN Holdings, Inc. Files Definitive Proxy Statement for 2024 Annual Meeting — DEF 14A · Mar 27, 2024 Risk: low
ADTRAN Holdings, Inc. (ADTN) filed a Proxy Statement (DEF 14A) with the SEC on March 27, 2024. ADTRAN Holdings, Inc. filed a DEF 14A form on March 27, 2024. The
SC 13G Filing — SC 13G · Mar 25, 2024
ADTRAN Holdings, Inc. Files 2023 Annual Report on Form 10-K — 10-K · Mar 15, 2024 Risk:
ADTRAN Holdings, Inc. (ADTN) filed a Annual Report (10-K) with the SEC on March 15, 2024. ADTRAN Holdings, Inc. filed its annual report on Form 10-K for the fis
ADTRAN Holdings Files 8-K on Financial Results — 8-K · Feb 27, 2024 Risk: medium
ADTRAN Holdings, Inc. filed an 8-K on February 27, 2024, reporting an earliest event date of February 26, 2024. The filing primarily concerns 'Results of Operat
ADTRAN Holdings Issues Non-Reliance on Past Financial Statements — 8-K · Feb 20, 2024 Risk: high
ADTRAN Holdings, Inc. filed an 8-K on February 20, 2024, to report that its previously issued financial statements should no longer be relied upon. This non-rel
Vanguard Trims ADTRAN Stake to 14.1%, Still Major Holder — SC 13G/A · Feb 12, 2024 Risk: low
The Vanguard Group, a major investment firm, filed an amended SC 13G/A on February 12, 2024, indicating its ownership of 10,767,880 shares of ADTRAN Holdings In
ADTRAN Holdings Enters Material Definitive Agreement, New Obligation — 8-K · Jan 22, 2024
ADTRAN Holdings, Inc. (ADTN) filed an 8-K on January 22, 2024, reporting an event on January 16, 2024, concerning the entry into a material definitive agreement
BlackRock Amends ADTRAN Holdings Stake, Remains Passive Investor — SC 13G/A · Jan 22, 2024
BlackRock Inc. filed an amended SC 13G/A on January 22, 2024, disclosing its ownership of ADTRAN Holdings, Inc. common stock as of December 31, 2023. This filin

Risk Profile

Risk Assessment: Of ADTN's 38 recent filings, 2 were flagged as high-risk, 10 as medium-risk, and 26 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Key financial metrics from Adtran Holdings, INC.'s most recent 10-Q filing (Nov 4, 2025):

Revenue: $279,400,000
Net Income: ($10,300,000)
EPS: ($0.12)
Debt-to-Equity: 4.71
Cash Position: $93,682,000
Operating Margin: N/A
Total Assets: $1,208,908,000
Total Debt: $217,882,000

Key Executives

Named Executive Officers (NEOs)
Non-NEOs
Michael Brady
Michael W. Brady
Michael S. McVee
Thomas R. R. Miller

Industry Context

ADTRAN operates in the telecommunications infrastructure market, which is characterized by rapid technological advancements and significant capital expenditures by Service Providers. Key trends include the ongoing deployment of fiber-to-the-home (FTTH) and the increasing demand for higher bandwidth services. The competitive landscape is intense, with established players and emerging technology providers vying for market share.

Top Tags

financial-reporting (9) · 8-k (6) · corporate-governance (5) · sec-filing (5) · material-agreement (4) · amendment (4) · annual-report (3) · financials (3) · proxy-filing (3) · Telecommunications (3)

Key Numbers

ARS Document Size: 4449470 — Size of the Annual Report to Security Holders document in bytes.
Submission Text File Size: 6125598 — Size of the complete submission text file in bytes.
Total Revenue (Q3 2025): $279.4M — Increased 22.7% from $227.7M in Q3 2024
Total Revenue (9 Months 2025): $792.2M — Increased 16.5% from $679.9M in 9 Months 2024
Net Loss (Q3 2025): ($10.3M) — Reduced 69.2% from ($33.3M) in Q3 2024
Net Loss (9 Months 2025): ($42.1M) — Reduced 89.8% from ($413.8M) in 9 Months 2024
Gross Profit (Q3 2025): $107.1M — Increased from $83.0M in Q3 2024
Gross Profit (9 Months 2025): $301.2M — Increased from $234.6M in 9 Months 2024
Cash and Cash Equivalents: $93.7M — Increased from $76.0M at Dec 31, 2024
Non-current convertible senior notes: $192.9M — Significant indebtedness as of September 30, 2025
Shares Outstanding: 80.1M — As of October 31, 2025
Loss per common share (Q3 2025): ($0.12) — Improved from ($0.38) in Q3 2024
Total Revenue: $210.5M — 34.9% decrease from Q2 2024
Net Loss: -$35.2M — Widened from -$10.1M in Q2 2024
Gross Margin: 36.0% — Contracted from 36.8% in Q2 2024

Forward-Looking Statements

{"claim":"Vanguard will maintain a significant, albeit potentially fluctuating, stake in ADTRAN Holdings Inc. throughout 2024.","entity":"The Vanguard Group","targetDate":"2024-12-31","confidence":"high"}

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Frequently Asked Questions

What are the latest SEC filings for Adtran Holdings, INC. (ADTN)?

Adtran Holdings, INC. has 49 recent SEC filings from Jan 2024 to Apr 2026, including 26 8-K, 5 10-Q, 5 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of ADTN filings?

Across 49 filings, the sentiment breakdown is: 2 bearish, 46 neutral, 1 mixed. The dominant sentiment is neutral.

Where can I find Adtran Holdings, INC. SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Adtran Holdings, INC. (ADTN) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Adtran Holdings, INC.?

Key financial highlights from Adtran Holdings, INC.'s most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for ADTN?

The investment thesis for ADTN includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Adtran Holdings, INC.?

Key executives identified across Adtran Holdings, INC.'s filings include Named Executive Officers (NEOs), Non-NEOs, Michael Brady, Michael W. Brady, Michael S. McVee and 1 others.

What are the main risk factors for Adtran Holdings, INC. stock?

Of ADTN's 38 assessed filings, 2 were flagged high-risk, 10 medium-risk, and 26 low-risk.

What are recent predictions and forward guidance from Adtran Holdings, INC.?

Recent forward-looking statements from Adtran Holdings, INC. include guidance on {"claim":"Vanguard will maintain a significant, albeit potentially fluctuating, stake in ADTRAN Holdings Inc. throughout.