CMBMF · Cambium Networks Corp
Substantial doubt about the company's ability to continue as a going concern.
“management concluded that substantial doubt exists with respect to the Company's ability to continue as a going concern within one year after the date that these consolidated financial statements are issued.”View the 10-Q filed May 20, 2026
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-07-10 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
898 |
| 2026-06-01 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
59 |
| 2026-05-18 | Kurk Morgan C S |
Director, President and CEO |
Tax↓
|
Ordinary Shares
|
1,721 |
| 2026-04-10 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
1,030 |
| 2026-02-27 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
59 |
| 2026-02-18 | Kurk Morgan C S |
Director, President and CEO |
Tax↓
|
Ordinary Shares
|
2,109 |
| 2026-01-10 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
895 |
| 2025-12-01 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
50 |
| 2025-11-18 | Kurk Morgan C S |
Director, President and CEO |
Tax↓
|
Ordinary Shares
|
1,788 |
| 2025-10-10 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
895 |
| 2025-09-01 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
48 |
| 2025-08-18 | Kurk Morgan C S |
Director, President and CEO |
Tax↓
Filing footnotes — Ordinary Shares (Direct)
Includes 4,166 Ordinary Shares acquired under the Issuer's stock purchase plan on June 28, 2024. |
Ordinary Shares
|
14,300 |
| 2025-08-15 | Sayer Jacob |
Chief Financial Officer |
Tax↓
|
Ordinary Shares
|
550 |
| 2025-07-10 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
3,579 |
| 2025-06-01 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
59 |
| 2025-05-16 | Sayer Jacob |
Chief Financial Officer |
Tax↓
|
Ordinary Shares
|
2,595 |
| 2025-03-28 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
42 |
| 2025-02-28 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
Filing footnotes — Ordinary Shares (Direct)
(1) Includes 1,861 Ordinary Shares acquired under the Issuer's stock purchase plan on December 31, 2024. |
Ordinary Shares
|
59 |
| 2024-12-27 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax↓
|
Ordinary Shares
|
34 |
| 2024-12-02 | Cada-Bartoli Melissa Elizabeth |
Global Controller and CAO |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
The price reported in Column 4 is a weighted average price of all shares sold on the transaction date by the Issuer's broker to cover taxes upon the vesting of RSUs for certain employees of the Issuer, including the Reporting Person. These shares were sold in multiple transactions at prices ranging from $1.21 to $1.26, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
Ordinary Shares
|
50 |
| 2024-08-23 | Nirwan Archana |
Chief Human Resources Officer |
Tax↓
|
Ordinary Shares
|
669 |
| 2024-08-01 | Becerril John Monroy |
Controller & Chief Acct Off'r |
Tax↓
Filing footnotes — Ordinary Shares (Direct)
Includes 1,146 shares acquired under the Issuer's stock purchase plan on June 28, 2024. |
Ordinary Shares
|
147 |
| 2024-07-10 | Vivek Vibhu |
Senior VP, Products |
Award↑
Filing footnotes — Ordinary Shares (Direct)
Represents restricted share units ("RSUs") which vest as follows: 25% vest on July 10, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. Each RSU represents a contingent right to receive one Ordinary Share. Includes 4,166 Ordinary Shares acquired under the Issuer's stock purchase plan on June 28, 2024. |
Ordinary Shares
|
40,000 |
| 2024-05-24 | Nirwan Archana |
Chief Human Resources Officer |
Tax↓
|
Ordinary Shares
|
2,677 |
| 2024-05-16 | Sayer Jacob |
Chief Financial Officer |
Award↑
Filing footnotes — Ordinary Shares (Direct)
Represents restricted share units ("RSUs") which vest as follows: 25% vest on May 16, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. Each RSU represents a contingent right to receive one Ordinary Share. |
Ordinary Shares
|
30,000 |
| 2024-05-16 | Sayer Jacob |
Chief Financial Officer |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on May 16, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
200,000 |
| 2024-05-16 | Kurk Morgan C S |
Director, President and CEO |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on May 16, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
500,000 |
| 2024-05-01 | Becerril John Monroy |
Controller & Chief Acct Off'r |
Tax↓
|
Ordinary Shares
|
147 |
| 2024-04-08 | Sayer Jacob |
Chief Financial Officer |
Other↑
|
No Securities Owned
|
0 |
| 2024-03-18 | Becerril John Monroy |
Controller & Chief Acct Off'r |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
30,000 |
| 2024-03-18 | Imhoff Scott |
Senior VP, Product Mgmt |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
27,000 |
| 2024-03-18 | Vivek Vibhu |
Senior VP, Products |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
30,000 |
| 2024-03-18 | Sheppeck Bryan |
Senior VP, Global Sales |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
27,000 |
| 2024-03-18 | de Graaf Raymond |
Senior VP, Operations |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
27,000 |
| 2024-03-18 | Rau Sally |
General Counsel |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
30,000 |
| 2024-03-18 | Nirwan Archana |
Chief Human Resources Officer |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on March 18, 2025, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
13,500 |
| 2024-03-13 | de Graaf Raymond |
Senior VP, Operations |
Tax↓
|
Ordinary Shares
|
659 |
| 2024-03-13 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
1,409 |
| 2024-02-01 | Becerril John Monroy |
Controller & Chief Acct Off'r |
Tax↓
Filing footnotes — Ordinary Shares (Direct)
Includes 534 shares acquired under the Issuer's stock purchase plan on December 29, 2023. |
Ordinary Shares
|
147 |
| 2024-01-14 | BRONSTEIN ANDREW P |
CFO |
Tax↓
|
Ordinary Shares
|
843 |
| 2023-12-13 | de Graaf Raymond |
Senior VP, Operations |
Tax↓
|
Ordinary Shares
|
565 |
| 2023-12-13 | Vivek Vibhu |
Senior VP, Products |
Tax↓
|
Ordinary Shares
|
1,189 |
| 2023-12-07 | Verma Vikram |
Chief Executive Officer |
Buy↑
Filing footnotes — Ordinary Shares (Direct)
The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $4.57 to $4.58, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2). |
Ordinary Shares
|
500 |
| 2023-12-06 | Verma Vikram |
Chief Executive Officer |
Buy↑
Filing footnotes — Ordinary Shares (Direct)
The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $4.57 to $4.65, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1). |
Ordinary Shares
|
1,000 |
| 2023-12-05 | Verma Vikram |
Chief Executive Officer |
Buy↑
Filing footnotes — Ordinary Shares (Direct)
The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $4.49 to $4.72, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2). |
Ordinary Shares
|
1,500 |
| 2023-12-04 | Verma Vikram |
Chief Executive Officer |
Buy↑
Filing footnotes — Ordinary Shares (Direct)
The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $4.74 to $4.76, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1). |
Ordinary Shares
|
1,000 |
| 2023-11-16 | Lynch Kevin J |
Director |
Buy↑
Filing footnotes — Ordinary Shares (Direct)
The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $4.00 to $4.06, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1). |
Ordinary Shares
|
15,569 |
| 2023-11-15 | Nirwan Archana |
Chief Human Resources Officer |
Buy↑
|
Ordinary Shares
|
4,874 |
| 2023-11-01 | Becerril John Monroy |
Controller & Chief Acct Off'r |
Tax↓
Filing footnotes — Ordinary Shares (Direct)
Includes 208 shares acquired under the Issuer's stock purchase plan on June 30, 2023. |
Ordinary Shares
|
497 |
| 2023-10-24 | Becerril John Monroy |
Controller & Chief Acct Off'r |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests as follows: 25% vest on October 24, 2024, and the remaining 75% vest in 12 equal quarterly installments on a quarterly basis thereafter, subject to the reporting person's continued service as of each vesting date. |
Stock Option (right to buy)
|
12,000 |