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CMBM restates 2022–2024 results and warns on going-concern status

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
NT 10-Q

Rhea-AI Filing Summary

Cambium Networks Corporation filed a notice that it will not be able to submit its Form 10-Q for the quarter ended September 30, 2025 on time. The delay stems from an ongoing restatement of its previously issued audited financials for 2022 and 2023 and unaudited quarterly results for multiple periods in 2023 and 2024 related to errors in revenue recognition, including estimates for sales returns and customer rebates under ASC 606.

The company has also yet to file its Form 10-K for 2024 and its Forms 10-Q for the quarters ended March 31, 2025 and June 30, 2025, which together with the latest quarter are described as delinquent reports. Cambium states it is working to complete the restatement and filings as soon as practicable and anticipates that its 2024 Form 10-K will include disclosures about substantial doubt regarding its ability to continue as a going concern.

Positive

  • None.

Negative

  • Multiple-period restatement: The company is restating audited 2022 and 2023 financials and several 2023–2024 quarters due to revenue recognition errors under ASC 606.
  • Several delinquent SEC reports: The Form 10-K for 2024 and Forms 10-Q for March 31, 2025, June 30, 2025, and September 30, 2025 remain unfiled.
  • Going-concern doubt: The company anticipates its 2024 Form 10-K will include disclosures about substantial doubt regarding its ability to continue as a going concern.
  • Internal control concerns: The company references material weaknesses in internal control over financial reporting as of December 31, 2024.

Insights

Late 10-Q, multi-period restatement, and anticipated going-concern doubt are materially negative.

Cambium Networks reports that it cannot timely file its Form 10-Q for the quarter ended September 30, 2025 because it is still restating financial statements for 2022, 2023, and several 2023–2024 quarters. The restatement is driven by errors in revenue recognition related to variable consideration such as sales returns and customer rebates under ASC 606.

The company also confirms it has not filed its Form 10-K for 2024 or its Forms 10-Q for the quarters ended March 31, 2025 and June 30, 2025, leaving several key reporting periods delinquent. It notes that the 2024 Form 10-K is expected to include disclosures about substantial doubt regarding its ability to continue as a going concern, highlighting financial and liquidity strain.

The combination of open restatements, multiple late filings, material weaknesses in internal control over financial reporting, and anticipated going-concern doubt indicates elevated risk for shareholders. Actual financial impacts and trend visibility will depend on the final restated results and the timing of completing the delinquent reports.

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 12b-25

 

NOTIFICATION OF LATE FILING

(Check One)

  Form 10-K   Form 20-F   Form 11-K ☒ Form 10-Q

 

 

  Form 10-D   Form N-SAR   Form N-CSR

 

 

 

For Period Ended: September 30, 2025

 

 

 

  Transition Report on Form 10-K

  Transition Report on Form 20-F

  Transition Report on Form 11-K

  Transition Report on Form 10-Q

  Transition Report on Form N-SAR

 

 

 

For the Transition Period Ended:

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:

 

 

PART I — REGISTRANT INFORMATION

CAMBIUM NETWORKS CORPORATION

(Full Name of Registrant)

N/A

(Former Name if Applicable)

c/o Cambium Networks, Inc.

2000 Center Drive, Suite East A401

(Address of Principal Executive Office (Street and Number))

Hoffman Estates, Illinois 60092

(City, State and Zip Code)


 

PART II — RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)

(a)

The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;

 

(b)

The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and

 

(c)

The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

 

PART III — NARRATIVE

State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

Cambium Networks Corporation (the “Company”) has determined that it is unable to file, without unreasonable effort or expense, its Quarterly Report on Form 10-Q for the period ended September 30, 2025 (the “Third Quarter 2025 Report”) by the prescribed filing due date.

As disclosed on August 11, 2025, on the Current Report on Form 8-K, the Audit Committee (the “Audit Committee”) of the Board of Directors of the Company, after discussion with management, concluded that the Company’s previously issued financial statements and related disclosures for (i) the audited consolidated financial statements for the fiscal years ended December 31, 2022 and December 31, 2023 included in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2023 (the “Audited Financial Statements”) and (ii) the unaudited condensed consolidated financial statements (the “Unaudited Financial Statements”) included in the Company’s Quarterly Reports on Form 10-Q for the periods ended March 31, 2023, June 30, 2023, September 30, 2023, March 31, 2024, June 30, 2024 and September 30, 2024 (collectively, the “Non-Reliance Periods”) should be restated and should no longer be relied upon due to errors in such financial statements primarily related to variable consideration, including the estimates for sales returns and customer rebates, under Accounting Standards Codification 606, Revenue from Contracts with Customers. In addition, investors should no longer rely upon any press releases, earnings releases, investor presentations and other financial information or other communication that cover any period during the Non-Reliance Periods.

As the Company has not yet filed its Annual Report on Form 10-K for the year ended December 31, 2024 or its Quarterly Reports on Form 10-Q for the periods ended March 31, 2025 and June 30, 2025 (together with the Third Quarter 2025 report, the “Delinquent Reports”), and because the restatement process remains ongoing, the Company is unable to file the Third Quarter 2025 Report at this time. The Company continues to work diligently towards completing the restatement and filing the Delinquent Reports as soon as practicable. The Company anticipates that is Annual Report on Form 10-K for the fiscal year ended December 31, 2024 will include disclosures around the substantial doubt regarding the Company's ability to continue as a going concern.

Forward-Looking Statements

Certain matters discussed constitute forward-looking statements within the meaning of the federal securities laws. All statements contained in this notification that do not relate to matters of historical fact should be considered forward-looking statements, including, without limitation, statements regarding anticipated results for the period ended September 30, 2025, the material weaknesses in the Company’s internal control over financial reporting as of December 31, 2024, and the Company's expectations regarding the timing of the filing of the Form 10-K and Forms 10-Q. These forward-looking statements are based on management's current expectations.

These statements are neither promises nor guarantees, but involve known and unknown risks, uncertainties and other important factors that may cause the Company's actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Important factors that could cause actual results to differ materially from expectations include, but are not limited to the risk that the Company's investigation of the matters described in this report is not complete and that the Company may therefor identify additional errors; the risk that the restatement of the financial statements for the Non-Reliance Periods may be costly and time-consuming; and other risks and uncertainties included in the reports on Forms 10-K, 10-Q and 8-K and in other filings the Company makes with the Securities and Exchange Commission from time to time, available at www.sec.gov. The Company undertakes no obligation to update publicly any forward-looking statements, whether as a result of future events, new information or otherwise, except as required by law.


 

PART IV — OTHER INFORMATION

 

(1)

Name and telephone number of person to contact in regard to this notification

 

Sally Rau

 

(888)

 

863-5250

(Name)

 

(Area Code)

 

(Telephone Number)

 

(2)

Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s). ☐ Yes ☒ No

 

 

 

 

 

Annual Report on Form 10-K for the year ended December 31, 2024

 

Quarterly Report on Form 10-Q for the period ended March 31, 2025

 

Quarterly Report on Form 10-Q for the period ended June 30, 2025

 

 

(3)

Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? ☐ Yes ☒ No

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

As a result of the ongoing restatement process, the Company has not completed its financial statements for the period ended September 30, 2024 or September 30, 2025. Accordingly, the Company cannot at this time provide an estimate of changes in its results of operations for the period ended September 30, 2025, compared to its results of operations for the period ended September 30, 2024.

CAMBIUM NETWORKS CORPORATION

(Name of Registrant as Specified in Charter)

Has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date:

 

 November 17, 2025

 

By:

 

  /s/ Sally Rau

 

 

 

 

Name:

 

  Sally Rau

 

 

 

 

Title:

 

  Chief Legal Officer

INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative’s authority to sign on behalf of the registrant shall be filed with the form.

 


FAQ

Why did Cambium Networks (CMBM) file a Form 12b-25 for its Q3 2025 10-Q?

Cambium Networks filed a Form 12b-25 because it determined it could not file its Form 10-Q for the quarter ended September 30, 2025 without unreasonable effort or expense while it continues a broad financial statement restatement.

Which Cambium Networks financial statements are being restated?

Cambium Networks is restating its audited consolidated financial statements for the years ended December 31, 2022 and December 31, 2023, as well as unaudited condensed consolidated financial statements for multiple quarters in 2023 and 2024 due to revenue recognition errors related to variable consideration.

What Cambium Networks SEC reports are currently delinquent?

The delinquent reports include the Annual Report on Form 10-K for the year ended December 31, 2024 and Quarterly Reports on Form 10-Q for the periods ended March 31, 2025, June 30, 2025, and September 30, 2025.

What accounting issue led to Cambium Networks’ restatement?

The restatement arises from errors primarily related to variable consideration under ASC 606, including estimates for sales returns and customer rebates in previously issued financial statements.

How does Cambium Networks describe its going-concern status?

Cambium Networks states that it anticipates its Annual Report on Form 10-K for the fiscal year ended December 31, 2024 will include disclosures around substantial doubt regarding the company’s ability to continue as a going concern.

Should investors rely on Cambium Networks’ prior financial communications for affected periods?

The company states that investors should no longer rely on its previously issued financial statements for the identified periods or on related press releases, earnings releases, investor presentations, and other financial communications covering those periods.
Cambium Networks

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Communication Equipment
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United States
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