Halliburton (NYSE: HAL) executive discloses 113,453.877 common shares owned

Rhea-AI Filing Summary

Halliburton executive Maxwell Michael Casey, President - Western Hemisphere, filed an initial statement of beneficial ownership. The filing reports that he directly owns 113,453.877 shares of Halliburton common stock as of the event date of February 1, 2026. This Form 3 is a routine disclosure of existing holdings rather than a new stock transaction.

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

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1. Name and Address of Reporting Person^*

Maxwell Michael Casey

(Last) (First) (Middle)

3000 NORTH SAM HOUSTON PARKWAY E.

(Street)

HOUSTON TX 77032

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/01/2026

3. Issuer Name and Ticker or Trading Symbol
HALLIBURTON CO [ HAL ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President - Western Hemisphere

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

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)
Common Stock	113,453.877	D

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:

	/s/ Sarah I. Rubenfeld, by Power of Attorney	02/03/2026
	** 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.

FAQ

What does the Halliburton (HAL) Form 3 filing by Maxwell Michael Casey report?

The Form 3 reports that Halliburton executive Maxwell Michael Casey directly owns 113,453.877 common shares. This is an initial disclosure of his beneficial ownership as President - Western Hemisphere, required when becoming an insider under U.S. securities rules.

How many Halliburton (HAL) shares does Maxwell Michael Casey beneficially own?

Maxwell Michael Casey beneficially owns 113,453.877 shares of Halliburton common stock. The filing classifies this position as directly held, meaning the shares are attributed personally rather than through a separate entity or indirect ownership structure.

Is the Halliburton (HAL) Form 3 a report of a new stock transaction?

No, this Form 3 does not report a new buy or sell transaction. It is an initial statement of beneficial ownership, listing Maxwell Michael Casey’s existing 113,453.877 directly held Halliburton common shares as of February 1, 2026.

What is Maxwell Michael Casey’s role at Halliburton (HAL) in this Form 3?

In the filing, Maxwell Michael Casey is identified as an officer of Halliburton with the title President - Western Hemisphere. This officer status triggers the requirement to file Form 3, disclosing his beneficial ownership in the company’s common stock.

Is Maxwell Michael Casey a 10% owner of Halliburton (HAL) according to the filing?

No, the Form 3 indicates he is not a 10% owner. He is listed as an officer, specifically President - Western Hemisphere, but the 10% owner box is not marked, meaning his reported holdings are below that ownership threshold.

Are Maxwell Michael Casey’s Halliburton (HAL) shares held directly or indirectly?

The shares are reported as held directly. The Form 3 lists 113,453.877 Halliburton common shares with an ownership form of “D” for direct, and there is no disclosed nature of indirect beneficial ownership or separate holding entity.