Cambium Networks cuts 54% of staff, UK unit in administration

Cambium Networks Corp places a key UK subsidiary into administration and cuts over half of its global workforce without severance as part of a major restructuring.

Rhea-AI Filing Summary

Cambium Networks Corp (CMBMF) reports that its indirect wholly owned subsidiary, Cambium Networks, Ltd. (CNL), entered administration in the UK on September 14, 2026, with four partners from RSM UK Restructuring Advisory LLP appointed as administrators. The administrators will attempt to sell the company’s assets, including some or all business lines, and the company anticipates that all remaining entities in the CNL group will ultimately be wound up through local processes.

Separately, on September 11, 2026, the company reduced its global workforce by 260 employees, representing 53.6% of its total employees, effective immediately and without severance payments. In connection with this reduction, the employment of Senior Vice President, Products, Vibhu Vivek was terminated as his role was eliminated. The company states it is currently unable to estimate the amounts it expects to incur in connection with these restructuring actions.

Positive

• None.

Negative

• Cambium Networks, Ltd. placed into administration, with the company anticipating that all remaining entities in the CNL group will be wound up in locally administered processes.
• Global workforce reduced by 260 employees, equaling 53.6% of total staff, effective immediately and without severance payments.
• Senior Vice President, Products, Vibhu Vivek had his employment terminated in connection with the workforce reduction, signaling leadership disruption.
• The company states it is unable to estimate restructuring-related costs at this time, adding uncertainty around the financial impact of these actions.

8-K Event Classification

4 items: 1.03, 2.05, 5.02, 9.01

4 items

Item 1.03 Bankruptcy or Receivership Business

The company or a significant subsidiary has filed for bankruptcy or entered receivership.

Item 2.05 Costs Associated with Exit or Disposal Activities Financial

The company committed to an exit plan involving layoffs, facility closures, or restructuring charges.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Workforce reduction: 260 employees Percentage of workforce reduced: 53.6% Date administration became effective: September 14, 2026 +1 more

4 metrics

Workforce reduction 260 employees Global workforce reduction effective September 11, 2026

Percentage of workforce reduced 53.6% Share of total global workforce terminated on September 11, 2026

Date administration became effective September 14, 2026 Appointment of administrators for Cambium Networks, Ltd.

Key executive termination date September 11, 2026 Termination of Senior Vice President, Products, in connection with workforce reduction

Key Terms

administrators, Insolvency Act 1986, Insolvency (England and Wales) Rules 2016, forward-looking statements

4 terms

administrators regulatory

"the appointment of David Shambrook, Gordon Thomson, Joe Barry and James Woodhead as administrators"

Insolvency Act 1986 regulatory

"in accordance with the requirement of Paragraph 29 of Schedule B1 to the Insolvency Act 1986"

Insolvency (England and Wales) Rules 2016 regulatory

"and rule 3.24 of the Insolvency (England and Wales) Rules 2016"

forward-looking statements regulatory

"contains forward-looking statements, including, but not limited to statements relating to the Company’s ability"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What restructuring action did Cambium Networks Corp (CMBMF) take regarding Cambium Networks, Ltd.?

Cambium Networks, Ltd., an indirect wholly owned subsidiary of Cambium Networks Corp, was placed into administration on September 14, 2026, with four RSM UK Restructuring Advisory LLP partners appointed as administrators, who will attempt to sell assets and business lines.

How many employees did CMBMF lay off and what percentage of its workforce is this?

On September 11, 2026, Cambium Networks Corp reduced its global workforce by 260 employees, which the company states is 53.6% of its total global workforce, effective immediately.

Did Cambium Networks Corp (CMBMF) provide severance payments in the September 2026 layoffs?

No. Cambium Networks Corp states that during the September 11, 2026 workforce reduction, no severance payments were offered or made to the 260 employees whose employment was terminated.

Which executive officer was affected by the workforce reduction at CMBMF?

In connection with the September 11, 2026 workforce reduction, the employment of Vibhu Vivek, Senior Vice President, Products, was terminated because his role was eliminated.

Can Cambium Networks Corp (CMBMF) currently estimate the costs of its restructuring actions?

No. Cambium Networks Corp states that at the time of filing, it is unable to determine estimates of amounts expected to be incurred in connection with the restructuring and workforce reduction actions.

What future actions does CMBMF anticipate for entities in the Cambium Networks, Ltd. group?

Cambium Networks Corp anticipates that all remaining entities that are part of the Cambium Networks, Ltd. group will be wound up in locally administered processes, following the administration of CNL.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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false0001738177CAMBIUM NETWORKS CORPNONE00017381772026-09-112026-09-11

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 11, 2026

CAMBIUM NETWORKS CORPORATION

(Exact name of Registrant as Specified in Its Charter)

Cayman Islands			001-38952	00-0000000
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
c/o Cambium Networks, Inc. 2000 Center Drive, Suite East A401
Hoffman Estates, Illinois				60192
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 345 814-7600

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Ordinary shares, $0.0001 par value		CMBMF		N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 1.03 Bankruptcy or Receivership.

On September 14, 2026, the directors of Cambium Networks, Ltd (“CNL”), an indirect, wholly-owned subsidiary of Cambium Networks Corporation (the “Company”), filed a notice of appointment of administrators (the “Notice of Appointment”) in the High Court of Justice Business and Property Courts of England and Wales (the “UK Court”) in accordance with the requirement of Paragraph 29 of Schedule B1 to the Insolvency Act 1986 and rule 3.24 of the Insolvency (England and Wales) Rules 2016. Upon filing of the Notice of Appointment, the appointment of David Shambrook, Gordon Thomson, Joe Barry and James Woodhead of RSM UK Restructuring Advisory LLP as administrators (the “Administrators”) of CNL became effective.

Although the Administrators will attempt to sell the Company’s assets, including some or all of the Company’s business lines, the Company anticipates that all of the remaining entities part of the CNL group will be wound up in locally administered processes.

Item 2.05 Costs Associated with Exit or Disposal Activities.

On September 11, 2026, the Company reduced its workforce by 260 employees globally, or 53.6% of the Company’s total global workforce, effective immediately. No severance payments were offered or made. At the time of filing this Current Report on Form 8-K, the Company is unable to determine estimates of amounts expected to be incurred in connection with these restructuring actions.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 11, 2026, in connection with the reduction in workforce discussed in Item 2.05 above, the employment of Vibhu Vivek, Senior Vice President, Products, of the Company was terminated as his role was eliminated.

Item 9.01 Financial Statements and Exhibits.

104  Cover Page Interactive Data File (formatting in Inline XBRL and contained in Exhibit 101)

Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements, including, but not limited to statements relating to the Company’s ability to sell some or all of the Company's assets and/or business lines and the plan to wind up the remaining entities part of the Cambium Networks, Ltd. group in locally administered processes. Words such as “expects,” “anticipates,” “intends,” “plans,” “believes,” “estimates,” “seeks,” “assumes,” “may,” “should,” “could,” “would,” and variations of such words and similar expressions are intended to identify such forward-looking statements. These forward-looking statements are based upon the Company’s current assumptions, beliefs, and expectations. Forward-looking statements are subject to the occurrence of many events outside of the Company’s control. Actual results and the timing of events may differ materially from those contemplated by such forward-looking statements due to numerous factors that involve substantial known and unknown risks and uncertainties. These risks and uncertainties include, among other things, the risk that sales of Company's assets do not occur. Forward-looking statements should be considered in light of these risks and uncertainties. Investors and others are cautioned not to place undue reliance on forward-looking statements. All forward-looking statements contained herein speak only as of the date hereof. The Company assumes no obligation and does not intend to update these forward-looking statements, except as required by law.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			CAMBIUM NETWORKS CORPORATION
Date:	September 14, 2026	By:	/s/ Sally Rau
		Name: Title:	Sally Rau  Chief Legal Officer

Filing Exhibits & Attachments

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