Optimum Communications adds Dark Mirage to ownership report

MILFAM LLC, MILFAM GP, LLC and Neil S. Subin may also be deemed beneficial owners through their stated roles.

Rhea-AI Filing Summary

An indirect ownership report for Optimum Communications, Inc. (OPTU) lists 16,516,955 Class A common shares owned by Dark Mirage, LP. MILFAM LLC, its investment advisor, and MILFAM GP, LLC, its general partner, may also be deemed beneficial owners; Neil S. Subin may be deemed a beneficial owner through his management roles. Subin, MILFAM LLC and MILFAM GP, LLC disclaim beneficial ownership except to the extent of a pecuniary interest. The amendment says it is being amended to add Dark Mirage, LP and MILFAM GP, LLC as reporting persons upon receipt of their EDGAR codes.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider SUBIN NEIL S, MILFAM LLC, MILFAM GP, LLC, Dark Mirage, LP

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner

Type	Security	Shares	Price	Value
holding	Class A Common Stock F1	--	--	--

Holdings After Transaction: Class A Common Stock — 16,516,955 shares (Indirect, See footnote)

Footnotes (1)

1. F1. Represents 16,516,955 shares of Class A Common Stock, par value $0.01 per share ("Class A Common Shares"), of Optimum Communications, Inc. (the "Issuer"), owned by Dark Mirage, LP. MILFAM LLC is the investment advisor of Dark Mirage, LP and therefore may be deemed the beneficial owner of the Class A Common Shares owned by Dark Mirage, LP. MILFAM GP, LLC is the general partner of Dark Mirage, LP and therefore may be deemed the beneficial owner of the Class A Common Shares owned by Dark Mirage, LP. Mr. Subin is the President and Manager of MILFAM LLC, which is the Manager of MILFAM GP, LLC, consequently, he may also be deemed the beneficial owner of the Class A Common Shares owned by Dark Mirage, LP. Mr. Subin, MILFAM GP, LLC and MILFAM LLC each disclaims beneficial ownership of any Class A Common Shares other than to the extent he or it may have a pecuniary interest therein.

Key Figures

Class A common shares owned by Dark Mirage, LP: 16,516,955 shares Par value: $0.01 per share Holding entry date: July 28, 2026

3 metrics

Class A common shares owned by Dark Mirage, LP 16,516,955 shares Indirect holding entry

Par value $0.01 per share Class A common stock

Holding entry date July 28, 2026 Date on the holding entry

Key Terms

beneficial owner, pecuniary interest, investment advisor

3 terms

beneficial owner financial

"may be deemed the beneficial owner"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

pecuniary interest financial

"to the extent he or it may have a pecuniary interest"

investment advisor financial

"MILFAM LLC is the investment advisor of Dark Mirage, LP"

An investment advisor is a person or firm that provides personalized guidance on buying, selling and managing investments and often oversees client portfolios for a fee. For investors this matters because the advisor shapes risk, costs and long-term returns, and is typically required by law to act in the client’s best interests — think of them as a financial coach or GPS that helps navigate choices and avoid costly detours.

FAQ

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

How many OPTU Class A shares are reported as owned by Dark Mirage, LP?

Dark Mirage, LP is listed as owning 16,516,955 Class A common shares of Optimum Communications, Inc. MILFAM LLC, MILFAM GP, LLC and Neil S. Subin may also be deemed beneficial owners through their stated roles; each of those three disclaims beneficial ownership except to the extent of a pecuniary interest.

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

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Available on EDGAR 10/09/2026 - 04:35 PM Accepted by SEC EDGAR 10/09/2026 - 04:35 PM Learn about SEC filing dates

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

SUBIN NEIL S

(Last) (First) (Middle)

2336 SE OCEAN BLVD, SUITE 400

(Street)

STUART FLORIDA 34996

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/28/2026

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

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)
08/28/2026

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock	16,516,955	I	See footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

SUBIN NEIL S

(Last) (First) (Middle)

2336 SE OCEAN BLVD, SUITE 400

(Street)

STUART FLORIDA 34996

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

MILFAM LLC

(Last) (First) (Middle)

2336 SE OCEAN BLVD, SUITE 400

(Street)

STUART FLORIDA 34996

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

MILFAM GP, LLC

(Last) (First) (Middle)

2336 SE OCEAN BLVD, SUITE 400

(Street)

STUART FLORIDA 34996

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Dark Mirage, LP

(Last) (First) (Middle)

2336 SE OCEAN BLVD, SUITE 400

(Street)

STUART FLORIDA 34996

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. Represents 16,516,955 shares of Class A Common Stock, par value $0.01 per share ("Class A Common Shares"), of Optimum Communications, Inc. (the "Issuer"), owned by Dark Mirage, LP. MILFAM LLC is the investment advisor of Dark Mirage, LP and therefore may be deemed the beneficial owner of the Class A Common Shares owned by Dark Mirage, LP. MILFAM GP, LLC is the general partner of Dark Mirage, LP and therefore may be deemed the beneficial owner of the Class A Common Shares owned by Dark Mirage, LP. Mr. Subin is the President and Manager of MILFAM LLC, which is the Manager of MILFAM GP, LLC, consequently, he may also be deemed the beneficial owner of the Class A Common Shares owned by Dark Mirage, LP. Mr. Subin, MILFAM GP, LLC and MILFAM LLC each disclaims beneficial ownership of any Class A Common Shares other than to the extent he or it may have a pecuniary interest therein.

Remarks:

Exhibit 99: Joint Filing Agreement This Form 3 is being amended to add each of Dark Mirage, LP and MILFAM GP, LLC as a reporting person upon receipt of their EDGAR codes.

	/s/ Neil S. Subin	10/09/2026
	/s/ Neil S. Subin, for MILFAM LLC, By: Neil S. Subin, Manager	10/09/2026
	/s/ Neil S. Subin, for MILFAM GP, LLC, By: MILFAM LLC, its Manager, By: Neil S. Subin, Manager	10/09/2026
	/s/ Neil S. Subin, for Dark Mirage, LP, By: MILFAM GP, LLC, its General Partner, By: MILFAM LLC, its Manager, By: Neil S. Subin, Manager	10/09/2026
	** 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 5 (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 3: SEC 1473 (03-26)