ADTN — what changed in the latest 10-Q
A section-by-section comparison of ADTN's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-05-05 vs the prior 10-Q · 2025-11-04
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +79 | −95 | ~22 | 12 |
| Market risk (Item 3) | Text added/removed | 0 | 0 | ~5 | 2 |
| Controls & procedures | Text added/removed | +4 | −11 | ~3 | 3 |
| Legal proceedings | Text added/removed | 0 | 0 | ~1 | 0 |
| Risk factors | No material changes reported (points to the 10-K) | — | — | — | — |
| Other information | Text added/removed | +1 | −4 | 0 | 0 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-05-05
This discussion is designed to provide the reader with information that will assist in understanding our Condensed Consolidated Financial Statements, the changes in certain key items in those financial statements from period to period, and the primary factors that accounted for those changes, as wel…
Unless the context otherwise indicates or requires, references in this Quarterly Report on Form 10-Q to "Adtran", the “Company,” “we”, “us” and “our” refer to ADTRAN Holdings, Inc. and its consolidated subsidiaries.
The Company is a leading global provider of networking and communications platforms, software, systems and services focused on carrier networks, data center interconnect for private enterprise networks and mission critical infrastructure. It is serving a diverse domestic and international customer b…
Our innovative solutions and services enable voice, data, video and internet-communications across a variety of network infrastructures and are currently in use by millions worldwide. We support our customers through our direct global sales organization and our distribution networks. Our success dep…
The Company solely owns ADTRAN, Inc. and is the majority shareholder of Adtran Networks. Adtran is a leading global provider of open, disaggregated networking and communications solutions. Adtran Networks is a global provider of network solutions for data, storage, voice and video services. We belie…
Text removed vs the prior filing · source: 10-Q · 2025-11-04
As discussed in the financial statements as of and for the year ended December 31, 2024 included in our 2024 Form 10-K/A, we identified errors in our previously issued financial statements. The identified errors impacted the Condensed Consolidated Financial Statements as of and for the three and nin…
This discussion is designed to provide the reader with information that will assist in understanding our Condensed Consolidated Financial Statements, the changes in certain key items in those financial statements from period to period, and the primary factors that accounted for those changes, as wel…
Unless the context otherwise indicates or requires, references in this Quarterly Report on Form 10-Q to "Adtran", the “Company,” “we”, “us” and “our” refer to ADTRAN Holdings, Inc. and its consolidated subsidiaries. Furthermore, unless the context otherwise indicates or requires, references in this …
The Company is a leading global provider of networking and communications platforms, software, systems and services focused on the broadband access market, serving a diverse domestic and international customer base in multiple countries that includes large, medium and small Service Providers, altern…
Our innovative solutions and services enable voice, data, video and internet communications across a variety of network infrastructures and are currently in use by millions worldwide. We support our customers through our direct global sales organization and our distribution networks. Our success dep…
Controls & procedures
Text added vs the prior filing · source: 10-Q · 2026-05-05
The material weaknesses resulted in the restatements and revision to our consolidated financial statements for the years ended December 31, 2022, 2023 and 2024, as well as the condensed consolidated financial statements for the quarterly and year-to-date periods ended September 30, 2022, March 31, 2…
To remediate the material weaknesses in Adtran’s internal control over financial reporting related to the risks of material misstatement, and financial statement preparation, presentation and disclosure of transactions including non-controlling interest, Adtran has enhanced existing controls over th…
Until the remediation steps set forth above, including the implementation of all necessary control activities that we identify, continue to operate effectively for a sufficient amount of time, and there has been time for us to conclude through testing that the control activities have been operating …
There were no changes in Adtran’s internal control over financial reporting that occurred during the most recent fiscal quarter covered by this report that have materially affected, or are reasonably likely to materially affect, its internal control over financial reporting.
Text removed vs the prior filing · source: 10-Q · 2025-11-04
Adtran did not design and maintain effective controls relating to communicating accurate information internally and with those charged with governance. This includes providing information pursuant to objectives, responsibilities and functions of internal control.
These material weaknesses contributed to the following additional material weaknesses:
Adtran did not design and maintain effective controls to address the initial application of complex accounting standards and accounting of non-routine, unusual or complex events and transactions. Specifically, Adtran did not design and maintain effective controls to timely analyze and account for (i…
Adtran did not design and maintain effective controls over an inventory suspense account. Specifically, certain inventory activity was not reviewed at a sufficient level of precision to identify the nature and aging of the individual inventory suspense account activity.
The material weaknesses resulted in the restatements and revisions of immaterial adjustments to our consolidated financial statements for the years ended December 31, 2022, December 31, 2023 and December 31, 2024, as well as the condensed consolidated financial statements for the quarterly and year-…
Other information
Text added vs the prior filing · source: 10-Q · 2026-05-05
During the fiscal quarter ended March 31, 2026, none of the Company’s directors or executive officers adopted or terminated any contract, instruction or written plan for the purchase or sale of Company securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or an…
Text removed vs the prior filing · source: 10-Q · 2025-11-04
(a) Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
On November 3, 2025 (the “Termination Date”), in an effort to streamline the benefits offered to members of management and other key employees, the Company terminated its Deferred Compensation Program for Employees (the “Deferred Compensation Plan”) and its Equity Deferral Program for Employees toge…
In accordance with Section 409A of the Internal Revenue Code of 1986, as amended, and as a result of the termination of the Plans, the payment of all benefits to each Plan’s participants and beneficiaries in the form of lump sum or installment distributions is scheduled to occur no earlier than twel…
During the fiscal quarter ended September 30, 2025, none of the Company’s directors or executive officers adopted or terminated any contract, instruction or written plan for the purchase or sale of Company securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) o…
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice