Cambium Networks CMBMF Insider Ownership

OTC CMBMF
$0.09 +0.06 (+200.00%)
At close: Sep 25, 2026 · 4:00 PM EDT

Insider Holdings by Owner

1.12Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
3.85%
▼-0.0092% pp QoQ
Shares Held by Insiders
1.12Mn
filed for Sep 2026
▼-0.24% QoQ
Shares Outstanding
28.98Mn
28,979,538 shares
Direct Holdings
1.12Mn
Indirect: 0
Net Shares Traded (QoQ)
-2.68K
net selling in Sep 2026
Insiders Holding Shares
15
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

CMBMF's three largest insider shareholders as of September 29, 2026 are Atul Bhatnagar (Ceo, 689.24K shares), Vibhu Vivek (Senior Vp, Products, 113.56K shares), Morgan C S Kurk (President And Ceo, 82.47K shares).

Form 4 Holdings

Insiders Holding CMBMF

Insiders 15
Shares held 1.12Mn
Of outstanding 3.85%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Atul Bhatnagar Ceo 689,237 0 689,237 61.8% 09 Dec, 2021
2 Vibhu Vivek Senior Vp, Products 113,561 0 113,561 10.2% 14 Jul, 2026
3 Morgan C S Kurk President And Ceo 82,468 0 82,468 7.4% 20 Aug, 2026
4 Andrew P Bronstein Cfo 34,893 0 34,893 3.1% 17 Jan, 2024
5 Stephen Cumming Cfo 34,039 0 34,039 3.1% 26 Jan, 2022
6 Ronald G Ryan Senior Vp, Gbl Channel Mgmt 33,708 0 33,708 3.0% 15 Sep, 2023
7 Archana Nirwan Chief Human Resources Officer 31,528 0 31,528 2.8% 27 Aug, 2024
8 Jacob Sayer Chief Financial Officer 26,855 0 26,855 2.4% 19 Aug, 2025
9 Graaf Raymond De Senior Vp, Operations 24,831 0 24,831 2.2% 15 Mar, 2024
10 Kevin J Lynch Director 20,069 0 20,069 1.8% 20 Nov, 2023
11 John Monroy Becerril Controller Chief Acct Off'R 7,730 0 7,730 0.7% 05 Aug, 2024
12 Melissa Elizabeth Cada-Bartoli Global Controller And Cao 6,331 0 6,331 0.6% 03 Jun, 2026
13 Scott Imhoff Senior Vp, Product Mgmt 5,037 0 5,037 0.5% 09 Dec, 2021
14 Vikram Verma Director 4,000 0 4,000 0.4% 08 Dec, 2023
15 Sally Rau General Counsel 1,134 0 1,134 0.1% 09 Jun, 2023

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

313 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
18 Aug, 2026 Morgan C S Kurk President And Ceo Disposed F 1,780 $0.16 $276 82,468 Direct
10 Jul, 2026 Vibhu Vivek Senior Vp, Products Disposed F 898 $0.25 $225 113,561 Direct
01 Jun, 2026 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 59 $0.30 $18 6,331 Direct
18 May, 2026 Morgan C S Kurk President And Ceo Disposed F 1,721 $0.29 $499 84,248 Direct
10 Apr, 2026 Vibhu Vivek Senior Vp, Products Disposed F 1,030 $0.10 $103 114,459 Direct
27 Feb, 2026 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 59 $1.12 $66 6,390 Direct
18 Feb, 2026 Morgan C S Kurk President And Ceo Disposed F 2,109 $1.21 $2.55K 85,969 Direct
10 Jan, 2026 Vibhu Vivek Senior Vp, Products Disposed F 895 $1.49 $1.33K 115,489 Direct
01 Dec, 2025 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 50 $1.83 $92 6,449 Direct
18 Nov, 2025 Morgan C S Kurk President And Ceo Disposed F 1,788 $2.61 $4.67K 88,078 Direct
10 Oct, 2025 Vibhu Vivek Senior Vp, Products Disposed F 895 $0.77 $686 116,384 Direct
01 Sep, 2025 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 48 $0.76 $36 6,499 Direct
18 Aug, 2025 Morgan C S Kurk President And Ceo Disposed F 14,300 $0.69 $9.84K 89,866 Direct
15 Aug, 2025 Jacob Sayer Chief Financial Officer Disposed F 550 $0.70 $384 26,855 Direct
10 Jul, 2025 Vibhu Vivek Senior Vp, Products Disposed F 3,579 $0.44 $1.58K 117,279 Direct
01 Jun, 2025 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 59 $0.32 $19 6,547 Direct
16 May, 2025 Jacob Sayer Chief Financial Officer Disposed F 2,595 $0.47 $1.22K 27,405 Direct
28 Mar, 2025 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 42 $0.70 $29 6,606 Direct
28 Feb, 2025 Melissa Elizabeth Cada-Bartoli Global Controller And Cao Disposed F 59 $0.82 $48 6,648 Direct
27 Dec, 2024 Melissa Elizabeth Cada-Bartoli Officer Disposed F 34 $0.86 $29 4,846 Direct