Charter lists Mark Greatrex as director insider

CHARTER COMMUNICATIONS, INC.

Rhea-AI Filing Summary

CHARTER COMMUNICATIONS, INC. (CHTR) submitted an initial insider ownership report for Mark James Greatrex on Form 3. He is reported as a director and not as an officer or ten percent owner. The filing does not report any equity transactions or current holdings for him.

Key Terms

Form 3, director, ten percent owner

3 terms

Form 3 regulatory

"submitted an initial insider ownership report for Mark James Greatrex on Form 3"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

director regulatory

"He is reported as a director and not as an officer"

ten percent owner regulatory

"and not as an officer or ten percent owner"

FAQ

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

What does this Form 3 filing mean for CHTR?

It reports that Mark James Greatrex is an insider of Charter Communications, Inc. (CHTR) in the role of director. The filing is an initial statement of beneficial ownership and does not list any current holdings or transactions.

Who is the reporting person in this CHTR Form 3?

The reporting person is Mark James Greatrex. He is identified as a director of Charter Communications, Inc. and is not listed as an officer or a ten percent owner in this filing.

Does this CHTR Form 3 show any stock purchases or sales by Mark James Greatrex?

No. The filing’s transaction section is empty, and the summarized counts show no buy, sell, gift, or exercise transactions reported for Mark James Greatrex.

Does Mark James Greatrex report any current CHTR share holdings on this Form 3?

No holdings are reported. The filing shows zero holding entries and no derivative positions for Mark James Greatrex as of this Form 3.

Is Mark James Greatrex a ten percent owner of CHTR according to this Form 3?

No. The Form 3 indicates that Mark James Greatrex is not a ten percent owner. He is identified solely in the role of director for Charter Communications, Inc.

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

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Accepted by SEC EDGAR 08/21/2026 - 04:19 PM EDT 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^*

Greatrex Mark James

(Last) (First) (Middle)

400 WASHINGTON BLVD.

(Street)

STAMFORD CONNECTICUT 06902

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/19/2026

3. Issuer Name and Ticker or Trading Symbol
CHARTER COMMUNICATIONS, INC. /MO/ [ CHTR ]

3a. Foreign Trading Symbol

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

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

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

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 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)

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

Explanation of Responses:

Remarks:

No securities are beneficially owned.

	/s/ Mark J. Greatrex	08/19/2026
	** 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)