Optimum Communications (NASDAQ: OPTU) CEO swaps 550,800 shares

Rhea-AI Filing Summary

Optimum Communications, Inc. Chairman and CEO Mathew Dennis reported a disposition of 550,800 shares of Class A common stock on May 29, 2026. The shares were contributed back to a wholly owned subsidiary of the company in exchange for 1,377 Preferred Units in CSC Investments II LLC, with prior board approval under Rule 16b-3(e). After this transaction, Dennis directly holds 2,759,448 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
Disposition	Class A common stock	550,800	$0.00	--

Holdings After Transaction: Class A common stock — 2,759,448 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares disposed: 550,800 shares Price per share: $0.00 per share Shares held after: 2,759,448 shares +1 more

4 metrics

Shares disposed 550,800 shares Class A common stock contributed on May 29, 2026

Price per share $0.00 per share Reported transaction price for the disposition

Shares held after 2,759,448 shares Direct Class A common stock ownership following transaction

Preferred Units received 1,377 Preferred Units Units in CSC Investments II LLC received in exchange

Key Terms

Class A common stock, Disposition to issuer, Preferred Units, Rule 16b-3(e), +1 more

5 terms

Class A common stock financial

"550,800 shares of Class A common stock of the Issuer"

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.

Disposition to issuer financial

"transaction_code_description": "Disposition to issuer""

Preferred Units financial

"in exchange for 1,377 Preferred Units in CSC"

Preferred units are a class of ownership interests in a partnership or trust that pay fixed or priority distributions before common units, similar to having a reserved lane for getting paid first. They matter to investors because they typically offer steadier income and lower risk of missed payments than common units, but usually provide less upside if the business grows.

Rule 16b-3(e) regulatory

"approved in advance by the Board of Directors ... pursuant to Rule 16b-3(e)"

wholly-owned subsidiary financial

"CSC Investments II LLC ("CSC"), a wholly-owned subsidiary of the Issuer"

A wholly-owned subsidiary is a company whose entire ownership is held by another company, called the parent, so the parent controls all shares, board appointments and major decisions. For investors this matters because the subsidiary’s profits, losses, assets and liabilities are treated as part of the parent’s financial picture, affecting valuation and risk exposure — imagine a parent owning a single storefront outright and consolidating its receipts and bills into the parent’s books.

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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 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)
05/29/2026

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	05/29/2026(1)	05/29/2026(1)	D		550,800(1)	D	(1)	2,759,448	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. On May 29, 2026, Mr. Mathew agreed to contribute 550,800 shares of Class A common stock of the Issuer to CSC Investments II LLC ("CSC"), a wholly-owned subsidiary of the Issuer, in exchange for 1,377 Preferred Units in CSC. The exchange was approved in advance by the Board of Directors of the Issuer pursuant to Rule 16b-3(e) under the Securities Exchange Act of 1934.

	/s/ Dennis Mathew	06/02/2026
	** 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)