Cambium Networks Corporation (CMBM) has 20 known insider and institutional holders on record. The largest holder is VECTOR CAPITAL, L.L.C. with 12,720,696 shares. Other notable holders include Bhatnagar Atul and Vivek Vibhu.
Over the last 12 months, insiders have made 12 transactions in CMBM stock — 0 buys (valued at RSU Award) and 0 sells (valued at RSU Award).
CMBM Insider Ownership
Top Holder
VECTOR CAPITAL, L.L.C.
12,720,696 shares
Buys (12 mo)
0
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Vector Capital, L.l.c. |
10 Percent Owner |
12,720,696 |
2021-06-15 |
|
| 2 |
Bhatnagar Atul |
CEO |
150,000 |
2022-09-07 |
|
| 3 |
Vivek Vibhu |
Senior VP, Products |
115,489 |
2026-01-13 |
|
| 4 |
Kurk Morgan C S |
President and CEO |
85,969 |
2026-02-20 |
|
| 5 |
Amen Robert S |
10 Percent Owner |
80,000 |
2023-09-13 |
|
| 6 |
Slusky Alexander R |
10 Percent Owner |
80,000 |
2023-09-13 |
|
| 7 |
Vector Cambium Holdings (cayman), L.p. |
10 Percent Owner |
77,179 |
2019-06-25 |
|
| 8 |
Bronstein Andrew P |
CFO |
34,893 |
2024-01-17 |
|
| 9 |
Cumming Stephen |
CFO |
34,039 |
2022-01-26 |
|
| 10 |
Ryan Ronald G |
Senior VP, Gbl Channel Mgmt |
33,708 |
2023-09-15 |
|
| 11 |
Nirwan Archana |
Chief Human Resources Officer |
31,528 |
2024-08-27 |
|
| 12 |
Rau Sally |
General Counsel |
30,000 |
2024-03-20 |
|
| 13 |
Rogers Ian J |
Controller, CAO |
30,000 |
2019-06-28 |
|
| 14 |
Imhoff Scott |
Senior VP, Product Mgmt |
27,000 |
2024-03-20 |
|
| 15 |
Sheppeck Bryan |
Senior VP, Global Sales |
27,000 |
2024-03-20 |
|
| 16 |
De Graaf Raymond |
Senior VP, Operations |
27,000 |
2024-03-20 |
|
| 17 |
Sayer Jacob |
Chief Financial Officer |
26,855 |
2025-08-19 |
|
| 18 |
Felt Bruce C. Jr. |
Director |
21,588 |
2023-09-13 |
|
| 19 |
Lynch Kevin J |
Director |
20,069 |
2023-11-20 |
|
| 20 |
Kurk Neal M |
Officer |
11,250 |
2023-08-24 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-27 |
Cada-bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax Withholding of RSU |
59 |
$1.12 |
$66.08 |
| 2026-02-18 |
Kurk Morgan C S |
President and CEO |
Tax Withholding of RSU |
2,109 |
$1.21 |
$2.55K |
| 2026-01-10 |
Vivek Vibhu |
Senior VP, Products |
Tax Withholding of RSU |
895 |
$1.49 |
$1.33K |
| 2025-12-01 |
Cada-bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax Withholding of RSU |
50 |
$1.83 |
$91.50 |
| 2025-11-18 |
Kurk Morgan C S |
President and CEO |
Tax Withholding of RSU |
1,788 |
$2.61 |
$4.67K |
| 2025-10-10 |
Vivek Vibhu |
Senior VP, Products |
Tax Withholding of RSU |
895 |
$0.77 |
$686.47 |
| 2025-09-01 |
Cada-bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax Withholding of RSU |
48 |
$0.76 |
$36.44 |
| 2025-08-18 |
Kurk Morgan C S |
President and CEO |
Tax Withholding of RSU |
14,300 |
$0.69 |
$9.84K |
| 2025-08-15 |
Sayer Jacob |
Chief Financial Officer |
Tax Withholding of RSU |
550 |
$0.70 |
$384.45 |
| 2025-07-10 |
Vivek Vibhu |
Senior VP, Products |
Tax Withholding of RSU |
3,579 |
$0.44 |
$1.58K |
| 2025-06-01 |
Cada-bartoli Melissa Elizabeth |
Global Controller and CAO |
Tax Withholding of RSU |
59 |
$0.32 |
$18.81 |
| 2025-05-16 |
Sayer Jacob |
Chief Financial Officer |
Tax Withholding of RSU |
2,595 |
$0.47 |
$1.22K |
