Optimum Communications CEO: 220,043 shares withheld

The restricted share units were granted under Optimum Communications' 2017 Long Term Incentive Plan.

Rhea-AI Filing Summary

Optimum Communications, Inc. (OPTU) Chairman and CEO Dennis Mathew had 220,043 Class A common shares withheld for taxes on October 26, 2026, at a reported $0.66 per share. The shares were withheld upon vesting of restricted share units. Mathew directly held 2,539,405 shares after the transaction; no Rule 10b5-1 plan is reported.

Insider Trade Summary

Tax Withholding: 220,043 shares

Tax Withholding 1 txn

Insider Mathew Dennis

Role Chairman and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Class A common stock F1	220,043	$0.66	$145K

Holdings After Transaction: Class A common stock — 2,539,405 shares (Direct)

Footnotes (1)

1. F1. Represents shares of the Issuer's Class A common stock withheld for taxes upon the vesting of restricted share units granted pursuant to the Optimum Communications, Inc. (f/k/a Altice USA, Inc.) 2017 Long Term Incentive Plan, as amended.

Key Figures

Shares withheld for taxes: 220,043 shares Reported transaction price per share: $0.66 per share Direct shares held after transaction: 2,539,405 shares

3 metrics

Shares withheld for taxes 220,043 shares Upon vesting of restricted share units on October 26, 2026

Reported transaction price per share $0.66 per share October 26, 2026 transaction

Direct shares held after transaction 2,539,405 shares Following the October 26, 2026 transaction

Key Terms

restricted share units, Class A common stock, 2017 Long Term Incentive Plan

3 terms

restricted share units technical

"upon the vesting of restricted share units"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

Class A common stock financial

"Issuer's Class A common stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

2017 Long Term Incentive Plan technical

"pursuant to the Optimum Communications, Inc. 2017 Long Term Incentive Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many OPTU shares did Chairman and CEO Dennis Mathew have withheld, and at what price?

Dennis Mathew had 220,043 Class A common shares withheld for taxes at a reported $0.66 per share on October 26, 2026. The shares were withheld upon vesting of restricted share units; he directly held 2,539,405 shares after the transaction. No Rule 10b5-1 plan is reported.

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

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Available on EDGAR 10/28/2026 - 06:01 PM EDT Accepted by SEC EDGAR 10/28/2026 - 06:00 PM EDT 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^*

Mathew Dennis

(Last) (First) (Middle)

1 COURT SQUARE WEST

(Street)

LONG ISLAND CITY NEW YORK 11101

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Optimum Communications, Inc. [ OPTU ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/26/2026

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
Class A common stock	10/26/2026		F(1)		220,043	D	$0.66	2,539,405	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:

1. Represents shares of the Issuer's Class A common stock withheld for taxes upon the vesting of restricted share units granted pursuant to the Optimum Communications, Inc. (f/k/a Altice USA, Inc.) 2017 Long Term Incentive Plan, as amended.

	/s/ Dennis Mathew	10/28/2026
	** 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)