olivLaw · US equity research
ADTRAN Holdings, Inc. ADTN
Telephone & Telegraph Apparatus · SIC 3661 · Vertical: Telephone & Telegraph Apparatus (SIC 3661)
ADTRAN Holdings is a global provider of networking platforms, software and services for fiber infrastructure, data center interconnect and broadband access. After a 17.5% revenue increase in fiscal 2025, the company reported second quarter 2026 revenue of 281.1 million USD, in a context where bandwidth demand and operator fiber investment remain high.
The AI analysis may be outdated: new filings came after its sources (see the «AI analysis» section).
At the close of 04 Nov 2026, ADTRAN Holdings, Inc. (ADTN) stock was 4.73 USD (−6.52% on the day), with market capitalisation 385.4 m USD, dividend yield 1.90%, beta 1.71, 52-week range 4.73–19.40 USD. Latest reported quarter (Q2 2026): revenue of 281.1 m USD (+6.1% YoY), net income of -10.9 m USD, diluted EPS -0.13 USD.
Data as of · AI analysis dated · Source: SEC filings and closing prices, computed by olivLaw.
Price history
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Technical reading
- RSI (14)
- 22.8
- oversold (≤ 30)
- Bollinger (20, 2)
- 5.26 – 7.83
- below the lower band · %B -0.21 · band width 39.3%
- SMA 50 / 200
- 6.98 / 11.07
- downtrend (price < SMA50 < SMA200)
- MACD (12, 26, 9)
- -0.41 / -0.26
- MACD below signal
Indicators describe past prices; on their own they do not predict direction. On our history the RSI ≤ 40 filter added no return (see the signals methodology).
Performance
| Company | S&P 500 | vs S&P 500 | Vertical median | |
|---|---|---|---|---|
| 1 month | −33.8% | −1.1% | −32.7 pp | — |
| 3 months | −40.2% | −0.5% | −39.8 pp | — |
| 6 months | −69.9% | +4.4% | −74.3 pp | — |
| Year to date | −45.6% | +12.3% | −57.9 pp | — |
| 1 year | −40.2% | +13.5% | −53.7 pp | −10.1% |
| 3 years | −35.1% | +76.4% | −111.5 pp | −26.6% |
| 5 years | −77.1% | +63.7% | −140.8 pp | — |
Price returns, dividends excluded.
Quarterly results
Latest quarter: Q2 2026 · 30 Jun 2026
Quarterly margins
Quarterly statements · USD
| Fiscal year | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | Q2 '26 |
|---|---|---|---|---|---|---|---|---|
| Revenue | 227.7 m | 242.9 m | 247.7 m | 265.1 m | 279.4 m | 291.6 m | 286.1 m | 281.1 m |
| Cost of revenue | 144.7 m | 153.3 m | 152.6 m | 166.1 m | 172.3 m | 177.8 m | 173.1 m | 177.2 m |
| Gross profit | 83.0 m | 89.6 m | 95.2 m | 98.9 m | 107.1 m | 113.7 m | 113.0 m | 104.0 m |
| Research & development | 51.6 m | 49.3 m | 48.9 m | 51.9 m | 51.7 m | 51.8 m | 50.8 m | 53.8 m |
| SG&A | 57.6 m | 57.0 m | 50.3 m | 60.3 m | 58.2 m | 57.4 m | 55.8 m | 60.2 m |
| Operating income | -26.1 m | -16.8 m | -4.0 m | -13.3 m | -2.8 m | 4.5 m | 6.4 m | -10.1 m |
| Depreciation & amortisation | 7.2 m | 22.6 m | 21.6 m | 7.6 m | 7.9 m | 24.2 m | 24.9 m | 8.1 m |
| Interest expense | 5.7 m | 4.9 m | 4.8 m | 4.6 m | 5.5 m | 4.5 m | 4.2 m | 4.2 m |
| Pre-tax income | -30.6 m | -20.2 m | -9.3 m | -17.2 m | -6.6 m | 1.9 m | 2.8 m | -7.9 m |
| Income tax | 390.0 k | 23.5 m | -397.0 k | 1.0 m | 1.2 m | 3.2 m | 1.9 m | 788.0 k |
| Net income | -33.3 m | -46.1 m | -11.3 m | -20.5 m | -10.3 m | -3.6 m | -1.3 m | -10.9 m |
| Diluted EPS | -0.38 | -0.58 | -0.14 | -0.24 | -0.12 | -0.05 ≈ | -0.01 | -0.13 |
| Operating cash flow | 43.3 m ≈ | 2.4 m | 43.2 m | 32.2 m ≈ | 12.2 m ≈ | 42.2 m | 12.7 m | 25.9 m ≈ |
| Capex | 6.2 m ≈ | 3.3 m | 7.4 m | 4.7 m ≈ | 8.0 m ≈ | 11.7 m | 7.5 m | 8.9 m ≈ |
≈ derived quarter (cumulative difference / share-days average)
E/P over time
E/P = trailing-12-month diluted EPS / price at quarter end. E/P is the inverse of P/E and stays defined when earnings are negative.
Fiscal years
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|
| Revenue | 529.3 m | 530.1 m | 506.5 m | 563.0 m | 1.0 bn | 1.1 bn | 922.7 m | 1.1 bn |
| Revenue YoY | −20.6% | +0.1% | −4.4% | +11.2% | +82.2% | +12.0% | −19.7% | +17.5% |
| Net income | -19.3 m | -53.0 m | 2.4 m | -8.6 m | -2.0 m | -268.9 m | -459.9 m | -45.7 m |
| Net income YoY | −181.1% | unavailable | unavailable | −463.1% | unavailable | unavailable | unavailable | unavailable |
| Diluted EPS | -0.40 | -1.11 | 0.05 | -0.18 | -0.03 | -3.43 | -5.79 | -0.52 |
| Diluted EPS YoY | −181.6% | unavailable | unavailable | −460.0% | unavailable | unavailable | unavailable | unavailable |
| net % | -3.7% | -10.0% | 0.5% | -1.5% | -0.2% | -23.4% | -49.8% | -4.2% |
| Free cash flow | 47.3 m | -12.0 m | -22.9 m | -2.7 m | -61.3 m | -79.4 m | 69.1 m | 98.0 m |
Reported results vs expectations
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Balance sheet & financial health
Fiscal year 2025 · 31 Dec 2025
- Cash
- 95.7 m USD
- Financial debt
- unavailable USD
- Net debt
- unavailable USD
- Equity
- 145.8 m USD
- Total assets
- 1.2 bn USD
- Debt / equity
- unavailable
- Current ratio
- 1.76x
- ROE
- -33.5%
- ROA
- -3.8%
- FCF margin
- 9.0%
Financial statements (source on every figure)
Revenue and net income (USD)
Margins
Income statement · USD
| Line | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Source (latest year) |
|---|---|---|---|---|---|---|---|
| Revenue | 506.5 m | 563.0 m | 1.0 bn | 1.1 bn | 922.7 m | 1.1 bn | SEC (XBRL)· 26 Feb 2026verified |
| Cost of revenue | 289.0 m | 344.6 m | 698.3 m | 818.0 m | 598.6 m | 668.9 m | SEC (XBRL)· 26 Feb 2026verified |
| Gross profit | 217.6 m | 218.4 m | 327.3 m | 331.1 m | 324.2 m | 415.0 m | SEC (XBRL)· 26 Feb 2026verified |
| Research & development | 113.3 m | 108.7 m | 173.8 m | 258.3 m | 221.5 m | 204.3 m | SEC (XBRL)· 26 Feb 2026verified |
| SG&A | 114.0 m | 124.4 m | 208.9 m | 258.6 m | 232.9 m | 226.3 m | SEC (XBRL)· 26 Feb 2026verified |
| Operating income | -9.8 m | -14.7 m | -72.8 m | -223.7 m | -427.6 m | -15.6 m | SEC (XBRL)· 26 Feb 2026verified |
| Depreciation & amortisation | 16.6 m | 16.1 m | 67.6 m | 112.9 m | 90.5 m | 92.5 m | SEC (XBRL)· 26 Feb 2026verified |
| EBITDA | 6.9 m ≈ | 1.4 m ≈ | -5.3 m ≈ | -110.7 m ≈ | -337.0 m ≈ | 77.0 m ≈ | SEC (XBRL)· 26 Feb 2026derived |
| Interest expense | 5.0 k | 34.0 k | 3.4 m | 16.3 m | 22.1 m | 19.3 m | SEC (XBRL)· 26 Feb 2026verified |
| Pre-tax income | -6.2 m | -6.3 m | -71.0 m | -233.6 m | -442.7 m | -31.3 m | SEC (XBRL)· 26 Feb 2026verified |
| Income tax | -8.6 m | 2.3 m | -62.1 m | 28.3 m | 7.3 m | 5.0 m | SEC (XBRL)· 26 Feb 2026verified |
| Net income | 2.4 m | -8.6 m | -2.0 m | -268.9 m | -459.9 m | -45.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Diluted EPS | 0.05 | -0.18 | -0.03 | -3.43 | -5.79 | -0.52 | SEC (XBRL)· 26 Feb 2026verified |
| Weighted average diluted shares | 48.3 m | 48.6 m | 62.3 m | 78.4 m | 78.9 m | 79.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Dividend per share | 0.09 | 0.09 | 0.09 | 0.09 | — | — | SEC (XBRL)· 15 Mar 2024verified |
≈ computed by olivLaw from the reported lines of the same year: Operating income + Depreciation & amortisation.
Balance sheet · USD
| Line | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Source (latest year) |
|---|---|---|---|---|---|---|---|
| Cash | 60.2 m | 56.6 m | 108.6 m | 87.2 m | 76.0 m | 95.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Receivables | 98.8 m | 158.7 m | 279.4 m | 209.7 m | 178.0 m | 210.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Inventories | 125.5 m | 139.9 m | 427.5 m | 360.4 m | 261.6 m | 215.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Current assets | 317.4 m | 376.3 m | 882.4 m | 719.0 m | 599.1 m | 635.2 m | SEC (XBRL)· 26 Feb 2026verified |
| Property, plant & equipment, net | 62.4 m | 55.8 m | 110.7 m | 118.2 m | 106.5 m | 124.4 m | SEC (XBRL)· 26 Feb 2026verified |
| Goodwill | 7.0 m | 7.0 m | 386.5 m | 358.2 m | 52.9 m | 60.0 m | SEC (XBRL)· 26 Feb 2026verified |
| Intangibles (excl. goodwill) | 23.5 m | 19.3 m | 401.2 m | 337.4 m | 284.9 m | 294.0 m | SEC (XBRL)· 26 Feb 2026verified |
| Total assets | 525.7 m | 569.0 m | 1.9 bn | 1.7 bn | 1.2 bn | 1.2 bn | SEC (XBRL)· 26 Feb 2026verified |
| Accounts payable | 49.9 m | 102.5 m | 237.7 m | 162.9 m | 171.8 m | 167.3 m | SEC (XBRL)· 26 Feb 2026verified |
| Current liabilities | 94.2 m | 155.4 m | 428.6 m | 274.0 m | 293.5 m | 361.9 m | SEC (XBRL)· 26 Feb 2026verified |
| Total liabilities | 152.7 m | 211.9 m | 639.9 m | 628.9 m | 621.5 m | 685.3 m | SEC (XBRL)· 26 Feb 2026verified |
| Equity | 372.9 m | 357.1 m | 1.3 bn | 605.3 m | 127.0 m | 145.8 m | SEC (XBRL)· 26 Feb 2026verified |
Cash flow · USD
| Line | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Source (latest year) |
|---|---|---|---|---|---|---|---|
| Operating cash flow | -16.5 m | 3.0 m | -44.2 m | -43.0 m | 103.6 m | 129.8 m | SEC (XBRL)· 26 Feb 2026verified |
| Capex | 6.4 m | 5.7 m | 17.1 m | 36.3 m | 34.5 m | 31.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Free cash flow | -22.9 m ≈ | -2.7 m ≈ | -61.3 m ≈ | -79.4 m ≈ | 69.1 m ≈ | 98.0 m ≈ | SEC (XBRL)· 26 Feb 2026derived |
| Investing cash flow | 41.4 m | 10.3 m | 55.8 m | -34.9 m | -64.3 m | -69.2 m | SEC (XBRL)· 26 Feb 2026verified |
| Financing cash flow | -43.0 m | -13.0 m | 52.9 m | 58.9 m | -50.0 m | -46.7 m | SEC (XBRL)· 26 Feb 2026verified |
| Dividends paid | 17.3 m | 17.5 m | 22.9 m | 21.2 m | 0 | — | SEC (XBRL)· 03 Mar 2025verified |
≈ computed by olivLaw from the reported lines of the same year: Operating cash flow − Capex.
Computed indicators
Growth
Profitability
Returns
Balance sheet
Liquidity
Cash
Efficiency
Market and valuation
4 indicators that do not apply to the sector.
Valuation
olivLaw classification
- valuation methods computed: 0 of at least 1
A scoring methodology on indicators and valuation, not investment advice.
Closing price
04 Nov 2026Source: olivLaw, closing series
Market cap: 385.4 m USD
Key indicators
Coverage and freshness
Score by group
72% · Insufficient data
Estimated value range
unavailable — no valuation method could be computed
Valuation assumptions are editorial choices, not measured; beta is not measured.
Valuation methods
- DCF (discounted cash flow)unavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)
- Peers: EV/Salesunavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)
- Peers: EV/EBITDAunavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)
no valuation method could be computed
Classification (SIC) comparables group by industry code, not by economic activity; the direct group is an editorial selection by activity. Members' multiples are on their own trailing twelve months, at their own latest close.
Assumptions (illustrative, editorial)
- Risk-free rate
- 4.3%
- Equity risk premium
- 5.0%
- Beta (default)
- 1.00
- Cost of equity
- 9.3%
- Terminal growth
- 2.5%
Factor scorecard
Insufficient data
Minimum-evidence gate: valuation methods computed: 0 of at least 1
| Factor | Value | Score | Weight used |
|---|---|---|---|
| Gross margin · Quality | 38.5% | 0 (on a fixed band) | 15% |
| EBIT margin · Quality | -0.2% | 50 (vs peers) | 12% |
| FCF margin · Quality | 5.0% | 20 (on a fixed band) | 12% |
| Revenue CAGR 3Y · Growth | 1.9% | 7 (on a fixed band) | 24% |
| Revenue growth (YoY) · Growth | 17.5% | 50 (vs peers) | 12% |
| Net debt / EBITDA · Balance sheet | unavailable | unavailable | — |
| Current ratio · Balance sheet | 1.8x | 58 (on a fixed band) | 9% |
| EV/Sales · Valuation | unavailable | unavailable | — |
| FCF yield · Valuation | 14.8% | 100 (on a fixed band) | 18% |
| Shareholder yield (distributions) · Returns | unavailable | unavailable | — |
Factors without a value were dropped; the remaining weights were renormalised.
Score groups
- Balance sheet· partial58/100 · 1/2 factors with a value
- Growth22/100 · 2/2 factors with a value
- Quality22/100 · 3/3 factors with a value
- Returns· partialunavailable · 0/1 factors with a value
- Valuation· partial100/100 · 1/2 factors with a value
A «partial» group is computed from under half of its weight or from one factor: it is not a full assessment of the group.
Memo
ADTRAN Holdings, Inc. (ADTN). Latest full fiscal year: 2025; data up to 2026-06-30.
Figures computed from the financial statements: revenue 1.1 bn USD in 2025; YoY growth 17.5%; net margin -2.3%; ROE -17.4%.
Valuation cannot be computed from the available data.
Insufficient data for a verdict (valuation methods computed: 0 of at least 1).
Text generated deterministically from the figures shown; no language model. Not investment advice.
What supports the thesis
- FCF yield: 14.8%
What contradicts it
- Gross margin: 38.5%
- FCF margin: 5.0%
- Revenue CAGR 3Y: 1.9%
Not assessed (insufficient data or a ratio without meaning): Net debt / EBITDA, EV/Sales, Shareholder yield (distributions).
Versus the vertical median
Telephone & Telegraph Apparatus (SIC 3661) · same industry (4-digit SIC) · compared with 7 companies
Multiples and returns vs the median
Price rebased to 100 (monthly, 5 years)
Companies in the vertical
| Market cap | P/E | ROE | Net margin | Revenue YoY | 1A / 3A | |
|---|---|---|---|---|---|---|
| CIENCiena Corp | 38.6 bn | 60.7 | 22.4% | 10.9% | +18.8% | +33% / +494% |
| FNFabrinet | 12.2 bn | 25.8 | 21.0% | 9.4% | +35.7% | −26% / +111% |
| CLFDClearfield, Inc. | 446.6 m | — | -2.8% | -4.7% | +19.6% | +12% / +29% |
| ADTNADTRAN Holdings, Inc. | 385.4 m | — | -17.4% | -2.3% | +17.5% | −40% / −35% |
| AUDCAudiocodes Ltd. | 219.2 m | 26.1 | 4.9% | 3.6% | +1.4% | −10% / −29% |
| FKWLFranklin Wireless Corp. | 25.0 m | — | -14.9% | -13.0% | −20.8% | −52% / −27% |
| CLROClearone Inc | 13.4 m | — | -275.7% | — | unavailable | −5% / −59% |
| SONMDNA X, Inc. | 3.8 m | — | — | -14.5% | −37.7% | −55% / −98% |
1- and 3-year price returns: for ADTN from daily closes (the same as the performance table), for the other companies from month-end closes.
olivLaw engine forecast
The world engine ran after the company's latest material disclosure. Probabilities are of TOUCHING a level within the horizon (not closing there) and sit next to the random walk (p_rw), the no-information benchmark.
The engine has no published run for this company yet.
Valuation scenarios (editable assumptions)
Illustrative scenarios
Illustrative: not forecasts and without probabilities. Each case is one coherent set of assumptions, computed on today's figures.
Estimated price (USD)
| Estimated price | Bear | Base | Bull |
|---|---|---|---|
| 1 years | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable |
| 3 years | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable |
| 5 years | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable |
AI analysis
AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.
Possibly outdated: the newest document it read is from 04 Aug 2026; since then the company filed 8-K (03 Nov 2026 · results).
In brief
ADTRAN Holdings is a global provider of networking platforms, software and services for fiber infrastructure, data center interconnect and broadband access. After a 17.5% revenue increase in fiscal 2025 1, the company reported second quarter 2026 revenue of 281.1 million USD 3, in a context where bandwidth demand and operator fiber investment remain high.
SWOT
Strengths
Weaknesses
Opportunities
Risks
- Credit agreement covenant compliancehigh
The Wells Fargo credit agreement restricts dividends, debt and investments, and past non-compliance has led to events of default that could accelerate debt 1.
- Payments under the domination agreementhigh
The company must compensate minority shareholders of Adtran Networks and absorb annual losses, and appraisal proceedings could result in higher payments 12.
- Revenue volatilitymedium
Quarterly revenue is hard to predict because it depends on operator approvals and delivery timing 1.
- Inventory managementmedium
Excess inventory or cancelled orders could lead to write-downs and affect results 1.
- Internal control weaknessesmedium
Material weaknesses in internal control over financial reporting are ongoing, which could weigh on investor confidence 3.
Investment thesis
What would need to be true (bull case)
- If the recovery in operator spending and the BEAD program materialize, revenue could keep growing after the 2025 increase 1.
- The optical segment and cloud and government customers are growing strongly and could diversify the revenue base 3.
- Margins have improved and cost control has been tight, which could support profitability if volumes rise 13.
What would break the thesis
- Debt and credit restrictions could limit the company's flexibility during periods of weaker demand 1.
- Payments to minority shareholders of the German subsidiary could rise if courts rule in their favor 12.
- GAAP margins are below non-GAAP margins and GAAP operating losses show that profitability is fragile 3.
What to watch
- Delivery against third quarter 2026 revenue guidanceQ3 2026
- Non-GAAP operating margin versus guidanceQ3 2026
- Court decisions in the domination agreement appraisal proceedings2027
Products, market & competition
AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.
Possibly outdated: the newest document it read is from 04 Aug 2026; since then the company filed 8-K (03 Nov 2026 · results).
The business
ADTRAN Holdings, Inc. ('Adtran') operates through two reportable segments: Network Solutions, covering hardware and software products, and Services & Support, covering network design and implementation services, support and cloud-hosted SaaS applications for AI-driven operations 1. It reports revenue across three categories: Subscriber Solutions, Access & Aggregation Solutions and Optical Networking Solutions 1. Its global headquarters is in Huntsville, Alabama, and it holds Adtran Networks SE through a domination and profit and loss transfer agreement 1.
Segments
Market context
Bandwidth demand is rising because of connected devices, hybrid work, streaming video and artificial intelligence, and operators are moving to full fiber networks 1. The company describes customer spending returning to normalized levels, and public BEAD funding is expected to begin in 2026 1.
Optical demand for data centers and interconnection benefits from hyperscale and cloud providers 3. However, operator purchase approval cycles can run from six to eighteen months or longer, and order timing can be lumpy 1.
Trends
- Return of operator spendingtailwind
Revenue growth in 2025 was supported by normalized customer spending and fiber expansion 1. If this recovery holds, it could support volumes in the following periods.
- Public BEAD fundingtailwind
The BEAD public program is expected to begin in 2026 and offers a positive outlook for the company 1. The actual delivery timing will depend on how the program is implemented.
- Long approval cycles and customer inventoriesmixed
Operator approvals and reductions in customer inventories can delay sales and create quarter-to-quarter revenue swings 1. The effect is mixed, since approvals once obtained can strengthen the company's position.
- Higher cost of capitalheadwind
Current capital market conditions have increased borrowing rates and could raise the cost of capital if additional funding is needed 1. This factor may limit the company's flexibility.
Competitive position
The company competes on products, price, delivery and services, and operators usually prefer two or more suppliers for most products 1. The market is marked by rapid technological change and evolving industry standards 1.
Competitive strengths cited include a broad portfolio from the network core to the customer edge, open architectures and AI-driven SaaS operations 1. The company relies on innovation in optics and software to defend its market position 1.
- Network equipment suppliers to operators
The reviewed sources do not name specific competitors; the company notes that operators generally require several suppliers for the same products 1.
- Optical systems suppliers for data centers
The sources do not name optical competitors; the company points to optical innovation and hyperscale demand as its basis for position 13.
- Fiber access solution suppliers
Competition in fiber access is described generically without naming companies in the filings reviewed 1.
- Network software and services providers
The sources mention competition in software and services without identifying specific competitors 1.
Links, dependencies and risks
Who the company is tied to, from its own SEC filings (customers, suppliers, production, partners, competitors, countries, regulation), from the 5 %+ holders' statements (13D/13G) and from what other companies say about it. Click a node for its evidence; on a listed company the graph moves to it.
Loading the links…
News & filings
In the press
- One Customer’s Delay Can’t Hide ADTRAN’s (ADTN) Optical SurgeYahoo Finance — News · 10 Sept 2026 · EN
The latest news item in our archive is from 10 Sept 2026; the newest SEC filing is from 03 Nov 2026. The press archive comes from the RSS feeds we follow and does not necessarily cover the latest event — the filings alongside do.
SEC filings
- Current report03 Nov 2026Results of operations · Regulation FD disclosure · Financial statements and exhibits
- Current report29 Oct 2026Departure or appointment of officers · Other events · Financial statements and exhibits
- Current report10 Aug 2026Departure or appointment of officers · Financial statements and exhibits
- Quarterly report04 Aug 2026
- Current report04 Aug 2026Results of operations · Regulation FD disclosure · Financial statements and exhibits
- Current report23 Jul 2026Material agreement · Termination of a material agreement · Creation of a direct financial obligation · Financial statements and exhibits
- Current report22 Jul 2026Results of operations · Regulation FD disclosure · Financial statements and exhibits
- Current report26 Jun 2026Departure or appointment of officers · Other events · Financial statements and exhibits
- Current report18 May 2026Amendments to articles or bylaws · Shareholder vote · Financial statements and exhibits
- Quarterly report05 May 2026
Sources
- [1] Form 10-K, fiscal year ended 2025-12-31 · SEC / ADTRAN Holdings, Inc. · 26 Feb 2026
- [2] Form 10-Q, quarter ended 2026-06-30 · SEC / ADTRAN Holdings, Inc. · 04 Aug 2026
- [3] Form 8-K, results release (exhibit 99.1) · SEC / ADTRAN Holdings, Inc. · 04 Aug 2026
Figures computed by olivLaw from SEC filings and closing prices; the qualitative analysis is AI-generated from cited sources. Not investment advice.