Optimum Communications (OPTU) director swaps 58K shares for 145 Preferred Units

Rhea-AI Filing Summary

Optimum Communications director Mark Mullen restructured part of his holdings through an internal exchange. On May 29, 2026, he disposed of 58,000 shares of Class A common stock to CSC Investments II LLC, a wholly owned subsidiary of the company, in exchange for 145 Preferred Units in CSC. This disposition to the issuer was approved in advance by the board of directors under Rule 16b-3(e). After the transaction, Mullen directly owned 105,697 shares of Class A common stock.

Insights

Corporate governance analyst

Board-approved, internal share-for-unit exchange looks routine and non-market.

The transaction shows director Mark Mullen exchanging 58,000 shares of Class A common stock for 145 Preferred Units in a wholly owned subsidiary, CSC Investments II LLC. The filing labels this as a disposition to the issuer, not an open-market sale.

The footnote states the exchange was approved in advance by the board under Rule 16b-3(e), which is designed to govern insider transactions with the issuer. This suggests a structured, compensation or capital-alignment move rather than a reaction to market conditions.

Mullen continues to hold 105,697 Class A shares directly after the transaction, indicating he retains a substantial equity stake. There is no pricing or dollar value disclosed in this excerpt, so the economic magnitude cannot be assessed beyond the share and unit counts.

Insider Trade Summary

Net Seller: 58,000 shares

Net Sell 1 txn

Insider Mullen Mark

Role Director

Type	Security	Shares	Price	Value
Disposition	Class A common stock	58,000	$0.00	$0.00

Holdings After Transaction: Class A common stock — 105,697 shares (Direct)

Footnotes (1)

1. F1. On May 29, 2026, Mr. Mullen agreed to contribute 58,000 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 145 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.

Key Figures

Shares disposed: 58,000 shares Preferred Units received: 145 Preferred Units Shares held after transaction: 105,697 shares +2 more

5 metrics

Shares disposed 58,000 shares Class A common stock contributed on May 29, 2026

Preferred Units received 145 Preferred Units Units in CSC Investments II LLC received in exchange

Shares held after transaction 105,697 shares Director’s remaining direct Class A holdings

Transaction code D (Disposition to issuer) SEC Form 4 non-derivative transaction classification

Rule reference Rule 16b-3(e) Board-approved insider exchange framework

Key Terms

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

5 terms

Disposition to issuer financial

"transaction_code_description: "Disposition to issuer""

Preferred Units financial

"in exchange for 145 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)"

Class A common stock financial

"58,000 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.

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.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/02/2026 - 06:19 PM Accepted by SEC EDGAR 06/02/2026 - 06:19 PM Learn about SEC filing dates

FAQ

What did Optimum Communications (OPTU) director Mark Mullen report on this Form 4?

Director Mark Mullen reported disposing of 58,000 shares of Optimum Communications Class A common stock to CSC Investments II LLC, a wholly owned subsidiary, in exchange for 145 Preferred Units in CSC, with the transaction treated as a disposition to the issuer and board-approved.

Was Mark Mullen’s Optimum Communications share transaction an open-market sale?

The transaction was not an open-market sale. It was classified as a disposition to the issuer, where 58,000 Class A shares were contributed to a wholly owned subsidiary, CSC Investments II LLC, in exchange for 145 Preferred Units, under a board-approved arrangement governed by Rule 16b-3(e).

How many Optimum Communications shares did Mark Mullen hold after the reported transaction?

After the transaction, Mark Mullen directly owned 105,697 shares of Optimum Communications Class A common stock. This figure reflects his remaining direct equity position following the contribution of 58,000 shares to CSC Investments II LLC in exchange for 145 Preferred Units in that subsidiary.

What did Mark Mullen receive for contributing 58,000 Optimum Communications shares?

In exchange for contributing 58,000 Class A common shares of Optimum Communications to CSC Investments II LLC, Mark Mullen received 145 Preferred Units in CSC. CSC is described as a wholly owned subsidiary of the issuer, so the transaction shifts his interest into preferred units of that entity.

Was the Mark Mullen share-for-unit exchange at Optimum Communications board-approved?

Yes. The filing states that the exchange of 58,000 Class A shares for 145 Preferred Units in CSC Investments II LLC was approved in advance by the Optimum Communications board of directors under Rule 16b-3(e) of the Securities Exchange Act of 1934, indicating formal oversight.

How is Rule 16b-3(e) relevant to Mark Mullen’s Optimum Communications transaction?

Rule 16b-3(e) is cited because the board approved Mullen’s exchange of 58,000 Class A shares for 145 Preferred Units in CSC Investments II LLC under this rule. It governs certain insider transactions with the issuer, supporting structured, board-reviewed equity restructurings rather than ordinary market trades.

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^*

Mullen Mark

(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
	Officer (give title below)		Other (specify below)

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		58,000(1)	D	(1)	105,697	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. Mullen agreed to contribute 58,000 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 145 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/ Mark Mullen	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)