ADTN at a glance
ADTRAN Holdings, Inc. (ADTN, SEC CIK 926282) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on August 10, 2026 and Form 4 insider filings as recently as August 10, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), ADTRAN Holdings, Inc. (ADTN) reported revenue of $1.1 billion (up 17.5% from FY2024) and a net loss of $45.7 million. Diluted EPS was -$0.52.
- As of June 30, 2026, 29 institutional investment managers tracked by SignalX reported holding ADTRAN Holdings, Inc. (ADTN) shares worth $554.6 million in 13F-HR filings.
- The most recent insider open-market purchase reported on Form 4 was by Santo Timothy P on August 6, 2026 of 6,579 shares at $7.60 per share.
- In the last 90 days, ADTN insiders reported 1 open-market purchase ($50K) and 0 open-market sales ($0) on Form 4, a net purchase of $50K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $1.1B
- +17.5% vs prior year
- Insiders · 90 days
- 1 buy · 0 sells
- Net +$50K
- 13F holders
- 29 funds
- $554.6M · +0 vs prior quarter
- Latest 8-K
- Aug 10, 2026
- Item 5.02
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Receivables factored $18.3M as of June 30, 2026, with $3.7M retained in reserve
- Factoring capacity up to $40.0M, subject to eligible receivables and reserve requirements
- Operating cash proceeds from factoring $94.8M, up from $73.8M in the prior-year period
Risk Factors
- New credit-covenant risk triggered by July 21, 2026 JPMorgan agreement, with $350.0 million facility and acceleration upon uncured default
- Liquidity risk from $48.0 million outstanding borrowings and $302.0 million remaining availability under the New Credit Agreement
- Trade-compliance risk following USTR’s July 23, 2026 Section 301 tariffs of 10% or 12.5% on goods from approximately 60 trading partners
- Supply-chain risk from increased tariffs on critical raw minerals, potentially causing higher costs, delays, and manufacturing disruption
- Competitive demand risk from tariff-driven customer price pressure, order deferrals, renegotiations, or vendor switching
AI summary of the ADTN 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 5.02: Departure/Appointment of Directors or Principal Officers
- CTO Christoph Glingener’s employment extended through December 31, 2026, supporting leadership continuity
- Annual base salary remains €400,000
Item 2.02: Results of Operations and Financial Condition
- Q2 2026 results for quarter ended June 30, 2026
- Earnings details contained in Exhibit 99.1 press release
Item 7.01: Regulation FD Disclosure
- Live webcast scheduled August 4, 2026, at 7:30 a.m. Central Time
- Investor presentation attached as Exhibit 99.2, providing supporting financial-results detail
Item EX-99.1: Item EX-99.1
- Q2 revenue $281.1M, up 6.1% YoY, led by Network Solutions revenue of $232.9M
- GAAP operating margin -3.6% versus 3.8% non-GAAP, highlighting continued acquisition and other adjustment burden
Item 1.01: Entry into a Material Definitive Agreement
- New revolving credit facility permits up to $350.0M borrowings, with German Borrower capacity capped at $50.0M
- Refinances the July 18, 2022 Wells Fargo facility; proceeds available for general corporate purposes
Item EX-99.1: Item EX-99.1
- New JPMorgan-led senior secured facility refinances existing credit arrangements
- Lower borrowing costs and extended maturities should reduce refinancing pressure and interest expense
AI summaries of ADTN 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for ADTN
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Glingener Christoph | A | Aug 10, 2026 | 27,924 | - |
| Santo Timothy P | Buy | Aug 6, 2026 | 6,579 | $7.60 |
| Glingener Christoph | A | Jul 24, 2026 | 9,384 | - |
| DelSanto Anne | A | Jul 1, 2026 | 4,399 | - |
| Wilson James Denson Jr | Sell | May 20, 2026 | 9,332 | $14.72 |
| Wilson James Denson Jr | G | May 20, 2026 | 10,469 | - |
| Glingener Christoph | Sell | May 8, 2026 | 22,277 | $15.00 |
| Glingener Christoph | M | May 8, 2026 | 22,277 | $12.17 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $922.7M | $1.1B |
| Gross Profit | - | $330.3M | $415.0M |
| Operating Income | - | -$417.1M | -$15.6M |
| Net Income | - | -$450.9M | -$45.7M |
| Gross Margin | - | 35.8% | 38.3% |
| Op. Margin | - | -45.2% | -1.4% |
| Net Margin | - | -48.9% | -4.2% |
| Balance Sheet | |||
| Total Assets | $1.7B | $1.2B | $1.2B |
| Equity | $593.8M | $134.4M | $145.8M |
| ROE | - | -335.4% | -31.3% |
| Per Share | |||
| EPS | - | $-5.67 | $-0.52 |
| Cash Flow | |||
| Operating CF | - | $103.1M | $129.8M |
| CapEx | - | $32.5M | $31.7M |
Source: XBRL data in ADTRAN Holdings, Inc. (ADTN)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate ADTN share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 29 | $554.6M |
| Q1 2026 | 29 | $421.5M |
| Q4 2025 | 25 | $249.7M |
| Q3 2025 | 27 | $255.9M |
| Q2 2025 | 25 | $221.3M |
| Q1 2025 | 23 | $151.9M |
| Q4 2024 | 18 | $113.6M |
| Q3 2024 | 15 | $44.1M |
- Two Sigma Investments+1.77M (+158%)
- Renaissance Technologies LLC+1.57M (+774%)
- JPMorgan Chase & Co+1.10M (+73%)
- Millennium Management+826.4K (+44%)
- State Street Corp+732.1K (+31%)
- Invesco Ltd−754.2K (-76%)
- Citadel Advisors LLC−364.1K (-92%)
- AQR Capital Management−172.5K (-20%)
- D.E. Shaw & Co−127.1K (-10%)
- Raymond James Financial−45.8K (-24%)
Source: 13F-HR filings on SEC EDGAR (aggregated from 191 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
ADTN filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Aug 10, 2026 | - | - | - |
| 8-K | Aug 10, 2026 | - | Analysis | - |
| 4 | Aug 7, 2026 | - | - | - |
| 8-K | Aug 4, 2026 | - | Analysis | - |
| 10-Q | Aug 4, 2026 | Jun 30, 2026 | Analysis | |
| 4 | Jul 28, 2026 | - | - | - |
| 8-K | Jul 23, 2026 | - | Analysis | - |
| 8-K | Jul 22, 2026 | - | Analysis | - |
| 4 | Jul 6, 2026 | - | - | - |
| 8-K | Jun 26, 2026 | - | Analysis | - |
| 4 | May 22, 2026 | - | - | |
| 8-K | May 18, 2026 | - | Analysis | |
| 4 | May 11, 2026 | - | - | |
| 10-Q | May 5, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | May 5, 2026 | - | Analysis | - |
| SC 13G | Apr 28, 2026 | - | - | |
| 8-K | Apr 7, 2026 | - | Analysis | - |
| 4 | Apr 3, 2026 | - | - | - |
| 4 | Apr 3, 2026 | - | - | - |
| 4 | Apr 3, 2026 | - | - | - |
| 4 | Mar 23, 2026 | - | - | - |
| 4 | Mar 5, 2026 | - | - | - |
| 4 | Mar 5, 2026 | - | - | - |
| 8-K | Feb 26, 2026 | - | Analysis | - |
| 10-K | Feb 26, 2026 | Dec 31, 2025 | - |
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ADTN SEC filings: frequently asked questions
Are ADTN insiders buying or selling?
In the last 90 days, ADTRAN Holdings, Inc. (ADTN) officers, directors and 10% owners reported 1 open-market purchase worth $50,000 by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold ADTN stock?
As of June 30, 2026, the largest ADTRAN Holdings, Inc. (ADTN) holders among the 13F filers tracked by SignalX were BlackRock ($108.9 million), Vanguard Portfolio Management LLC ($71.4 million), Vanguard Capital Management LLC ($48.8 million), State Street Corp ($42.9 million), Two Sigma Investments ($40.3 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was ADTN's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), ADTRAN Holdings, Inc. (ADTN) reported revenue of $1.1 billion (up 17.5% from FY2024) and a net loss of $45.7 million. Diluted EPS was -$0.52. The figures come from the XBRL data in the 10-K.
What did ADTN report in its latest 8-K?
ADTRAN Holdings, Inc. (ADTN) filed an 8-K on August 10, 2026 reporting Item 5.02 (Departure/Appointment of Directors or Principal Officers). CTO Christoph Glingener’s employment extended through December 31, 2026, supporting leadership continuity.
What are the latest ADTN SEC filings?
ADTRAN Holdings, Inc. (ADTN) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on August 10, 2026 and a Form 4 insider filing on August 10, 2026.
What is ADTN's SEC CIK number?
ADTRAN Holdings, Inc. (ADTN)'s SEC Central Index Key (CIK) is 926282. EDGAR lists every ADTN filing under that number.
Ask anything about ADTN
The research agent reads ADTN's filings, financials, insider trades and 13F holders, then answers with sources.