Optimum Communications: Dark Mirage buys 3.0M shares

Optimum Communications, Inc. (OPTU) had a series of reported open-market purchases of Class A Common Stock between July 29 and August 25, 2026.

Rhea-AI Filing Summary

Optimum Communications, Inc. (OPTU) had a series of reported open-market purchases of Class A Common Stock between July 29 and August 25, 2026. An entity, Dark Mirage, LP, purchased a total of 3,032,354 shares at prices between $0.7415 and $0.8500 per share, with ownership reported as indirect. MILFAM LLC, MILFAM GP, LLC and Neil S. Subin may be deemed beneficial owners through their roles with Dark Mirage, LP but each disclaims beneficial ownership beyond any pecuniary interest.

Insider Trade Summary

Net Buyer: 3,032,354 shares

Net Buy 8 txns

Insider SUBIN NEIL S, MILFAM LLC

Role 10% Owner | 10% Owner

Bought 3,032,354 shs ($2.45M)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock F1	400	$0.85	$340.00
Purchase	Class A Common Stock F1	171,711	$0.835	$143K
Purchase	Class A Common Stock F1	535,191	$0.8457	$453K
Purchase	Class A Common Stock F1	50,536	$0.8473	$43K
Purchase	Class A Common Stock F1	1,291,471	$0.8391	$1.08M
Purchase	Class A Common Stock F1	120,958	$0.7415	$90K
Purchase	Class A Common Stock F1	732,279	$0.743	$544K
Purchase	Class A Common Stock F1	129,808	$0.7567	$98K

Holdings After Transaction: Class A Common Stock — 19,549,309 shares (Indirect, See Footnote)

Footnotes (1)

1. F1. Represents 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

Total shares purchased: 3,032,354 shares of Class A Common Stock Lowest purchase price per share: $0.7415 per share Highest purchase price per share: $0.8500 per share +3 more

6 metrics

Total shares purchased 3,032,354 shares of Class A Common Stock Aggregate across eight indirect open-market purchases by Dark Mirage, LP

Lowest purchase price per share $0.7415 per share Indirect purchase of 120,958 shares on 2026-07-31

Highest purchase price per share $0.8500 per share Indirect purchase of 400 shares on 2026-08-25

Largest single-day purchase 1,291,471 shares Indirect purchase on 2026-08-19 at $0.8391 per share

Second-largest single-day purchase 732,279 shares Indirect purchase on 2026-07-30 at $0.7430 per share

Number of buy transactions 8 purchases All reported non-derivative transactions are coded P (purchase)

Key Terms

Class A Common Stock, beneficial owner, pecuniary interest, indirect ownership

4 terms

Class A Common Stock financial

"Represents shares of Class A Common Stock, par value $0.01 per share"

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.

beneficial owner financial

"therefore may be deemed the beneficial owner of the Class A Common Shares"

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

"each disclaims beneficial ownership of any Class A Common Shares other than to the extent he or it may have a pecuniary interest therein"

indirect ownership financial

"ownership reported as indirect with nature of ownership "See Footnote""

FAQ

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

What insider activity was reported for OPTU in this Form 4?

The filing reports eight open-market purchases of Optimum Communications, Inc. Class A Common Stock by Dark Mirage, LP between July 29 and August 25, 2026, all reported as indirect ownership associated with MILFAM LLC and Neil S. Subin.

How many OPTU shares were purchased in total in this Form 4?

The transactions show that Dark Mirage, LP purchased a total of 3,032,354 shares of Optimum Communications, Inc. Class A Common Stock across eight reported trades during July and August 2026.

What price range did the insider-related entity pay for OPTU shares?

Reported purchase prices for Optimum Communications, Inc. Class A Common Stock ranged from $0.7415 to $0.8500 per share across the eight transactions disclosed for Dark Mirage, LP.

Who is the beneficial owner in the OPTU Form 4 transactions?

The shares are owned by Dark Mirage, LP. MILFAM LLC is its investment advisor and MILFAM GP, LLC its general partner, and Neil S. Subin manages these entities, so each may be deemed a beneficial owner, while disclaiming beneficial ownership beyond any pecuniary interest.

Are the reported OPTU trades under a Rule 10b5-1 trading plan?

The document-level Rule 10b5-1 checkbox is not affirmed, indicating these reported purchases of Optimum Communications, Inc. stock were not designated as made pursuant to a Rule 10b5-1 trading plan.

How is the ownership of OPTU shares characterized in this Form 4?

All reported purchases are shown as indirect ownership. The shares are held by Dark Mirage, LP, with MILFAM LLC and MILFAM GP, LLC in advisory and general partner roles, and Neil S. Subin linked through management positions, each disclaiming broader beneficial ownership.

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

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Available on EDGAR 08/28/2026 - 09:37 PM EDT Accepted by SEC EDGAR 08/28/2026 - 09:37 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^*

SUBIN NEIL S

(Last) (First) (Middle)

2336 SE OCEAN BLVD, SUITE 400

(Street)

STUART FLORIDA 34996

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/29/2026

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

	Form filed by One Reporting Person
X	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	07/29/2026		P		129,808	A	$0.7567	16,646,763	I	See Footnote(1)
Class A Common Stock	07/30/2026		P		732,279	A	$0.743	17,379,042	I	See Footnote(1)
Class A Common Stock	07/31/2026		P		120,958	A	$0.7415	17,500,000	I	See Footnote(1)
Class A Common Stock	08/19/2026		P		1,291,471	A	$0.8391	18,791,471	I	See Footnote(1)
Class A Common Stock	08/20/2026		P		50,536	A	$0.8473	18,842,007	I	See Footnote(1)
Class A Common Stock	08/21/2026		P		535,191	A	$0.8457	19,377,198	I	See Footnote(1)
Class A Common Stock	08/24/2026		P		171,711	A	$0.835	19,548,909	I	See Footnote(1)
Class A Common Stock	08/25/2026		P		400	A	$0.85	19,549,309	I	See Footnote(1)

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

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)

Explanation of Responses:

1. Represents 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.

	/s/ Neil S. Subin	08/28/2026
	/s/ Neil S. Subin, for MILFAM LLC, By: Neil S. Subin, Manager	08/28/2026
	** 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)