Kaiser Aluminum EVP reports 4,025 share holding

Kaiser Aluminum Corporation executive Hugh J. Barger III, EVP of Sales & Marketing, filed an initial statement of ownership.

Rhea-AI Filing Summary

Kaiser Aluminum Corporation executive Hugh J. Barger III, EVP of Sales & Marketing, filed an initial statement of ownership. He reports beneficial ownership of 4,025 shares of Kaiser Aluminum common stock, held directly. A footnote explains that these 4,025 shares were acquired through grants of restricted stock units, which have converted into common shares. The filing does not list any new stock purchases or sales, but instead establishes his current equity stake as an officer of the company.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Barger Hugh J. III

Role EVP - Sales & Marketing

Type	Security	Shares	Price	Value
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 4,025 shares (Direct)

Footnotes (1)

1. F1. Includes 4,025 shares acquired pursuant to grants of restricted stock units.

FAQ

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

Who is the insider in the Kaiser Aluminum (KALU) Form 3 filing?

The insider is Hugh J. Barger III, who serves as EVP - Sales & Marketing at Kaiser Aluminum Corporation.

How many Kaiser Aluminum (KALU) shares does Hugh J. Barger III report owning?

He reports beneficial ownership of 4,025 shares of Common Stock, par value $0.01 per share, held directly.

What type of filing is this Kaiser Aluminum (KALU) insider report?

This is a Form 3, which is an initial statement of beneficial ownership of securities by an insider of Kaiser Aluminum Corporation.

How were the 4,025 Kaiser Aluminum (KALU) shares acquired by the EVP?

A footnote states that the 4,025 shares are included from grants of restricted stock units that resulted in common stock.

Are the Kaiser Aluminum (KALU) shares held directly or indirectly by the EVP?

The filing lists the 4,025 common shares as held with direct (D) ownership, with no indirect ownership entity disclosed.

Does this Kaiser Aluminum (KALU) Form 3 show any stock transactions?

No new transactions are listed; the Form 3 records existing beneficial ownership of 4,025 common shares as of 01/01/2026.

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

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Accepted by SEC EDGAR 01/12/2026 - 07:02 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^*

Barger Hugh J. III

(Last) (First) (Middle)

1550 W. MCEWEN DRIVE

SUITE 500

(Street)

FRANKLIN TN 37067

(City) (State) (Zip)

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

3. Issuer Name and Ticker or Trading Symbol
KAISER ALUMINUM CORP [ KALU ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP - Sales & Marketing

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, par value $0.01 per share	4,025(1)	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:

1. Includes 4,025 shares acquired pursuant to grants of restricted stock units.

	/s/ Cherrie I. Tsai, with power of attorney for Hugh J. Barger, III	01/12/2026
	** 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.