Optimum Communications (ATUS) CEO reports tax-withholding share disposition

Rhea-AI Filing Summary

Optimum Communications, Inc. Chairman and CEO Mathew Dennis reported a tax-related share disposition tied to equity compensation. On the vesting of restricted share units under the company’s 2017 Long Term Incentive Plan, 484,042 shares of Class A common stock were withheld to cover taxes at a price of $1.42 per share. After this withholding, Dennis directly holds 3,310,248 shares of Class A common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mathew Dennis

Role Chairman and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Class A common stock	484,042	$1.42	$687K

Holdings After Transaction: Class A common stock — 3,310,248 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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 NY 11101

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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

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

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

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	02/27/2026		F(1)		484,042	D	$1.42	3,310,248	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	03/03/2026
	** 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.

FAQ

What insider transaction did Optimum Communications (ATUS) disclose in this Form 4?

Optimum Communications disclosed that Chairman and CEO Mathew Dennis had 484,042 Class A shares withheld to cover taxes upon vesting of restricted share units. This was a tax-withholding disposition, not an open-market purchase or sale of stock.

Was the Optimum Communications (ATUS) Form 4 transaction an open-market sale?

No, the transaction was not an open-market sale. Shares were withheld by the company to satisfy tax obligations when restricted share units vested under the 2017 Long Term Incentive Plan, as amended, rather than being sold on the open market.

How many Optimum Communications (ATUS) shares were withheld for taxes in this filing?

A total of 484,042 shares of Optimum Communications Class A common stock were withheld. The shares were valued at $1.42 per share for tax purposes upon vesting of restricted share units granted under the 2017 Long Term Incentive Plan.

How many Optimum Communications (ATUS) shares does Mathew Dennis hold after the transaction?

After the tax-withholding disposition, Mathew Dennis directly owns 3,310,248 shares of Optimum Communications Class A common stock. This post-transaction balance reflects his remaining equity stake following the automatic share withholding for tax obligations.

What does transaction code F mean in the Optimum Communications (ATUS) Form 4?

Transaction code F indicates payment of an exercise price or tax liability by delivering or withholding securities. In this case, it reflects shares of Class A common stock withheld to cover taxes when restricted share units vested under the company’s long-term incentive plan.

Which equity plan is referenced in the Optimum Communications (ATUS) insider transaction?

The transaction involves restricted share units granted under the Optimum Communications, Inc. (formerly Altice USA, Inc.) 2017 Long Term Incentive Plan, as amended. Shares were withheld upon vesting of these awards to satisfy the associated tax obligations.