Every Form 4 that Cambium Networks Corporation (CMBM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow CMBM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CMBM filings page.
Cambium Networks Corp reported a small insider transaction by Global Controller and CAO Melissa Elizabeth Cada-Bartoli. On June 1, 2026, 59 Ordinary Shares were disposed of at $0.30 per share as a tax-withholding disposition, meaning shares were withheld to cover tax obligations rather than sold on the open market. After this transaction, she directly holds 6,331 Ordinary Shares.
Cambium Networks Corp President and CEO Kurk Morgan C S reported a tax-withholding disposition of 1,721 Ordinary Shares. The shares were withheld at a price of $0.29 per share to cover tax obligations, rather than sold in the open market. After this transaction, he directly holds 84,248 Ordinary Shares.
Cambium Networks Corp Senior VP of Products Vivek Vibhu reported a small, compensation-related share adjustment. On a Form 4, he recorded a tax-withholding disposition of 1,030 Ordinary Shares at $0.10 per share, used to cover tax obligations. After this non-market transaction, he directly holds 114,459 Ordinary Shares, so the change is minor relative to his overall position.
Cambium Networks Corp insider Melissa Elizabeth Cada-Bartoli, Global Controller and Chief Accounting Officer, reported a small disposition of 59 Ordinary Shares on February 27, 2026. The transaction was a tax-withholding disposition, and she held 6,390 Ordinary Shares directly after this event.
Cambium Networks Corp President and CEO Morgan C. S. Kurk reported a small share disposition related to tax withholding. On this Form 4, he transferred 2,109 Ordinary Shares at $1.21 per share to cover tax obligations, a non-open-market transaction coded as a tax-withholding disposition. After this transaction, he directly owned 85,969 Ordinary Shares.
Cambium Networks Corp Senior VP, Products Vivek Vibhu reported a change in holdings of the company’s ordinary shares. On January 10, 2026, a transaction coded “F” involved 895 ordinary shares at a price of $1.49 per share. After this transaction, Vivek Vibhu directly beneficially owned 115,489 ordinary shares of Cambium Networks Corp.
Cambium Networks Corp insider reported a small share transaction involving the company’s ordinary shares. On 12/01/2025, an officer serving as Global Controller and CAO completed a transaction coded “F” involving 50 ordinary shares at a price of $1.83 per share. Following this activity, the insider beneficially owned 6,449 ordinary shares, held directly. The report was filed as a single-person Form 4 ownership filing for Cambium Networks Corp [CMBM].
Cambium Networks Corp (CMBM) reported an insider transaction by its President and CEO, who is also a director. On 11/18/2025, the reporting person recorded a transaction coded "F" involving 1,788 ordinary shares at a price of $2.61 per share. After this transaction, the insider beneficially owned 88,078 ordinary shares, held directly.