Welcome to our dedicated page for Cambium Networks SEC filings (Ticker: CMBM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Cambium Networks connects oil fields, rural homes and sprawling campuses without a single mile of fibre. That mission shows up in every SEC document—from detailed backlog tables in the annual report to sudden spectrum updates in an 8-K. If you have ever searched “cambium networks SEC filings explained simply” or wondered how a new broadband grant will hit revenue, you are in the right place.
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- 8-K—material contract wins or spectrum approvals with cambium networks 8-K material events explained in plain English.
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Cambium Networks (CMBM) reported a Nasdaq staff determination that its ordinary shares are subject to delisting from the Nasdaq Global Market. The notice follows failure to meet the $1.00 minimum bid price for 30 consecutive business days and not regaining compliance by October 7, 2025 under Listing Rule 5810(c)(3)(A). The company also remains noncompliant with filing requirements for its 2024 Form 10-K and Forms 10-Q for the quarters ended March 31, 2025 and June 30, 2025, which is a separate basis for delisting under Listing Rule 5810(c)(2).
The company intends to request a hearing before a Nasdaq Hearings Panel regarding both the bid price and delinquent filings. A hearing request will automatically stay any suspension for 15 calendar days, and the panel will rule on an extended stay within 15 days following the hearing-request deadline. The letter has no immediate effect on trading. A press release was issued on October 16, 2025.
Cambium Networks (CMBM) reported an insider transaction on a Form 4. The company’s Senior VP, Products, filed as a single reporting person for a transaction dated 10/10/2025 with Transaction Code F.
The filing shows 895 ordinary shares were disposed at a $0.767 price. Following the reported transaction, the insider’s direct beneficial ownership stands at 116,384 shares.
Cambium Networks insider sale recorded on Form 4. Melissa Elizabeth Cada-Bartoli, Global Controller and CAO, reported disposal of 48 ordinary shares on 09/01/2025 at a price of $0.7592 per share. After the transaction she beneficially owns 6,499 shares, held directly.
This filing documents a small open-market sale by an officer; no options or derivative transactions were reported and no additional context is provided in the form.
Cambium Networks Corp (CMBM) director and President & CEO Kurk Morgan reported a sale of 14,300 ordinary shares on 08/18/2025 at $0.688 per share, reducing his direct holdings to 89,866 shares. The filing notes 4,166 of those shares were previously acquired under the company's stock purchase plan on 06/28/2024. The Form 4 is signed by an attorney-in-fact on behalf of the reporting person and indicates this single routine disposition of company stock.
Insider sale by Cambium Networks CFO. The Form 4 reports that Sayer Jacob, listed as Chief Financial Officer, disposed of 550 ordinary shares on 08/15/2025 at a price of $0.699 per share. After the reported transaction he beneficially owns 26,855 shares. The filing was signed by attorney-in-fact Sally Rau on 08/19/2025.
Cambium Networks Corporation (CMBM) notified the SEC it cannot timely file its Quarterly Report on Form 10-Q for the period ended June 30, 2025. The Audit Committee concluded the companys audited consolidated financial statements for the fiscal years ended December 31, 2022 and December 31, 2023 and several interim statements should be restated due to errors in ASC 606 estimates for sales returns and customer rebates. The company has not filed its Annual Report for the year ended December 31, 2024 or the Quarterly Report for the three months ended March 31, 2025, the restatement remains ongoing, and the company anticipates its Annual Report will include disclosure of substantial doubt about its ability to continue as a going concern.
Cambium Networks announced that its Audit Committee concluded previously issued financial statements for the fiscal years ended December 31, 2022 and 2023 and certain interim periods in 2023 and 2024 are not reliable and should be restated due to material errors. The errors relate primarily to variable consideration under ASC 606, including estimates for sales returns and customer rebates, and the company believes its estimation models did not sufficiently use information available at each reporting date nor apply adequate retrospective analysis. The company did not file its annual report for fiscal 2024 or its Q1 2025 report by the required dates and expects it cannot timely file the Q2 2025 report. Its disclosure controls and internal control over financial reporting were determined to be ineffective as of September 30, 2024 and remain ineffective. Management review is ongoing and additional material errors or control weaknesses may be identified; the company is working with its current auditor, Grant Thornton LLP, and has informed its prior auditor, KPMG LLP.
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