Cambium CEO has 1,780 shares withheld for tax/option costs

Cambium Networks Corp (CMBMF) reported that President and CEO Morgan C. S. Kurk had 1,780 Ordinary Shares disposed of on 2026-08-18 in a transaction classified as a payment of exercise price or tax liability by delivering or withholding securities.

Rhea-AI Filing Summary

Cambium Networks Corp (CMBMF) reported that President and CEO Morgan C. S. Kurk had 1,780 Ordinary Shares disposed of on 2026-08-18 in a transaction classified as a payment of exercise price or tax liability by delivering or withholding securities. Following this transaction, Kurk directly holds 82,468 Ordinary Shares.

Insider Trade Summary

Exercise Price or Tax Liability: 1,780 shares

Exercise Price or Tax Liability 1 txn

Insider Kurk Morgan C S

Role President and CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Ordinary Shares	1,780	$0.155	$275.90

Holdings After Transaction: Ordinary Shares — 82,468 shares (Direct)

Key Figures

Shares disposed: 1,780 Ordinary Shares Transaction price per share: $0.1550 per share Shares owned following transaction: 82,468 Ordinary Shares +1 more

4 metrics

Shares disposed 1,780 Ordinary Shares Code F transaction on 2026-08-18

Transaction price per share $0.1550 per share Valuation for the 1,780-share disposition

Shares owned following transaction 82,468 Ordinary Shares Direct holdings of Morgan C. S. Kurk after the code F event

Exercise price or tax-liability shares 1,780 shares Total shares used for payment of exercise price or tax liability

Key Terms

transaction code F, Payment of exercise price or tax liability by delivering or withholding securities, Ordinary Shares

3 terms

transaction code F regulatory

"transaction code F indicates payment of exercise price or tax liability"

Payment of exercise price or tax liability by delivering or withholding securities financial

"transaction classified as Payment of exercise price or tax liability by delivering"

Ordinary Shares financial

"security_title is Ordinary Shares for the reported transaction"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

What insider transaction did CMBMF report for Morgan C. S. Kurk?

Cambium Networks Corp reported that Morgan C. S. Kurk had 1,780 Ordinary Shares disposed of on 2026-08-18, classified as a payment of exercise price or tax liability by delivering or withholding securities.

What is Morgan C. S. Kurk’s role at Cambium Networks Corp (CMBMF)?

Morgan C. S. Kurk is reported as President and CEO and also a director of Cambium Networks Corp.

How many CMBMF shares does Morgan C. S. Kurk hold after this Form 4 transaction?

After the reported transaction, Morgan C. S. Kurk directly holds 82,468 Ordinary Shares of Cambium Networks Corp.

At what price were the 1,780 CMBMF shares valued in the Form 4 transaction?

The 1,780 Ordinary Shares were valued at $0.1550 per share in the transaction classified as payment of exercise price or tax liability by delivering or withholding securities.

Was the CMBMF Form 4 transaction a market sale or a tax/exercise-related event?

The Form 4 describes the event as payment of exercise price or tax liability by delivering or withholding securities under transaction code F, rather than a regular open-market sale or purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/20/2026 - 04:00 PM Accepted by SEC EDGAR 08/20/2026 - 04:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kurk Morgan C S

(Last) (First) (Middle)

C/O CAMBIUM NETWORKS, INC.

2000 CENTER DRIVE, SUITE EAST A401

(Street)

HOFFMAN ESTATES ILLINOIS 60192

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Cambium Networks Corp [ CMBMF ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	08/18/2026		F		1,780	D	$0.155	82,468	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Sally Rau, attorney-in-fact	08/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)