Kaiser Aluminum SVP sells 175 shares in open trade

Kaiser Aluminum Corp senior vice president Iulian Gheorghe sold 175 shares of common stock in an open-market transaction.

Rhea-AI Filing Summary

Kaiser Aluminum Corp senior vice president Iulian Gheorghe sold 175 shares of common stock in an open-market transaction. The shares were sold at an average price of $174.22 per share. After this sale, he directly holds 4,448 shares, including 3,918 shares acquired through restricted stock unit grants.

Insider Trade Summary

Net Seller: 175 shares

Net Sell 1 txn

Insider Gheorghe Iulian

Role SVP - Adv Eng & Innovation

Sold 175 shs ($30K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.01 per share	175	$174.22	$30K

Holdings After Transaction: Common Stock, par value $0.01 per share — 4,448 shares (Direct)

Footnotes (1)

1. F1. Includes 3,918 shares acquired pursuant to grants of restricted stock units.

Key Figures

Shares sold: 175 shares Sale price: $174.22 per share Shares held after transaction: 4,448 shares +1 more

4 metrics

Shares sold 175 shares Open-market sale on 2026-04-27

Sale price $174.22 per share Average price for the 175 shares sold

Shares held after transaction 4,448 shares Direct ownership following the sale

RSU-derived shares 3,918 shares Portion of holdings from restricted stock unit grants

Key Terms

Form 4, open-market sale, restricted stock units, common stock

4 terms

Form 4 regulatory

"This Form 4 filing shows a routine sale rather than a large position change"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open-market sale financial

"sold 175 shares of common stock in an open-market transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

restricted stock units financial

"includes 3,918 shares acquired through restricted stock unit grants"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

common stock financial

"sold 175 shares of common stock in an open-market transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What insider transaction did Kaiser Aluminum (KALU) report?

Kaiser Aluminum reported that SVP Iulian Gheorghe sold 175 shares of common stock in an open-market transaction. This Form 4 filing shows a routine sale rather than a large position change, based on the post-transaction holdings disclosed.

At what price did the Kaiser Aluminum SVP sell KALU shares?

The senior vice president sold 175 Kaiser Aluminum shares at an average price of $174.22 per share. This price reflects the execution level for the disclosed open-market sale in the Form 4 transaction details.

How many Kaiser Aluminum (KALU) shares does the SVP hold after the sale?

After the reported sale, SVP Iulian Gheorghe directly holds 4,448 Kaiser Aluminum common shares. The footnotes clarify that this balance includes 3,918 shares previously acquired through grants of restricted stock units.

What type of transaction is shown in this Kaiser Aluminum Form 4?

The Form 4 shows an open-market sale of common stock by a senior vice president. The filing classifies the transaction under code S, indicating a sale in an open market or private transaction for 175 shares of Kaiser Aluminum stock.

Are restricted stock units involved in the Kaiser Aluminum SVP’s holdings?

Yes. The filing states that 3,918 of the 4,448 shares held after the transaction were acquired through restricted stock unit grants. This highlights that much of the executive’s position originates from equity-based compensation awards.

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

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Accepted by SEC EDGAR 04/29/2026 - 04:30 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^*

Gheorghe Iulian

(Last) (First) (Middle)

1550 W. MCEWEN DRIVE

SUITE 500

(Street)

FRANKLIN TENNESSEE 37067

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP - Adv Eng & Innovation

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/27/2026

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

X	Form filed by One Reporting Person
	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
Common Stock, par value $0.01 per share	04/27/2026		S		175	D	$174.22	4,448(1)	D

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

Explanation of Responses:

1. Includes 3,918 shares acquired pursuant to grants of restricted stock units.

	/s/ Cherrie I. Tsai, with power of attorney for Iulian Gheorghe	04/29/2026
	** 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)