Alcoa CEO has 21,078 shares withheld for taxes

Alcoa President and CEO William F. Oplinger, who is also a director, reported a tax-related share withholding tied to restricted stock units.

Rhea-AI Filing Summary

Alcoa President and CEO William F. Oplinger, who is also a director, reported a tax-related share withholding tied to restricted stock units. On January 26, 2026, the company withheld 21,078 shares of common stock at $58.55 per share to satisfy his tax obligations upon vesting of RSUs granted in 2023 and 2024.

After this transaction, Oplinger directly held 277,118 Alcoa common shares and indirectly held 543 shares through the company 401(k) plan, where units represent interests in Alcoa’s stock fund. The filing reflects administrative equity and tax management rather than an open-market share sale.

Insider Trade Summary

Exercise Price or Tax Liability: 21,078 shares

Exercise Price or Tax Liability 2 txns

Insider Oplinger William F

Role President, CEO & Director

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock, par value $0.01 per share	21,078	$58.55	$1.23M
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 277,118 shares (Direct); Common Stock, par value $0.01 per share — 543 shares (Indirect, By Company 401(k) Plan)

Footnotes (2)

1. F1. Represents the withholding of shares by the issuer to satisfy the reporting person's tax obligations upon the vesting of restricted stock units (RSUs) granted in 2023 and 2024.
2. F2. Fluctuations in 401(k) share amounts reflect the plan's unit reporting method; units represent interests in the Company's stock fund.

FAQ

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

What did Alcoa (AA) CEO William F. Oplinger report in this Form 4?

Alcoa CEO William F. Oplinger reported a tax-related share withholding. On January 26, 2026, 21,078 common shares were withheld by Alcoa to cover his tax obligations when restricted stock units vested from 2023 and 2024 grants.

Did the Alcoa (AA) CEO sell shares in the open market in this filing?

No, the transaction was not an open-market sale. The 21,078 shares were withheld by Alcoa to satisfy tax obligations upon RSU vesting, a common administrative transaction when stock-based awards convert into shares for executives.

How many Alcoa (AA) shares does CEO William F. Oplinger hold after the transaction?

After the January 26, 2026 transaction, William F. Oplinger directly held 277,118 Alcoa common shares. He also indirectly held 543 shares through the company’s 401(k) plan, where units track interests in Alcoa’s stock fund.

What does transaction code F mean in the Alcoa (AA) CEO’s Form 4?

Transaction code F indicates shares withheld to pay taxes on equity awards. In this case, 21,078 Alcoa shares were withheld to cover William F. Oplinger’s tax obligations when restricted stock units granted in 2023 and 2024 vested.

How are Alcoa (AA) shares reported in the CEO’s 401(k) plan holdings?

The Form 4 shows 543 shares held indirectly via Alcoa’s 401(k) plan. Footnotes explain that fluctuations reflect the plan’s unit reporting method, where units represent interests in the company’s stock fund rather than direct, individually traded shares.

What roles does William F. Oplinger hold at Alcoa (AA) in this disclosure?

William F. Oplinger is identified as Alcoa’s President, CEO, and a director. The Form 4 confirms he is an officer and director, but not a 10% owner, while detailing his equity holdings and the tax withholding transaction on vested RSUs.

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

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Accepted by SEC EDGAR 01/28/2026 - 04:30 PM 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^*

Oplinger William F

(Last) (First) (Middle)

201 ISABELLA STREET, SUITE 500

(Street)

PITTSBURGH PA 15212

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Alcoa Corp [ AA ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, CEO & Director

3. Date of Earliest Transaction (Month/Day/Year)
01/26/2026

4. 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 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	01/26/2026		F		21,078(1)	D	$58.55	277,118	D
Common Stock, par value $0.01 per share								543(2)	I	By Company 401(k) Plan

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. Represents the withholding of shares by the issuer to satisfy the reporting person's tax obligations upon the vesting of restricted stock units (RSUs) granted in 2023 and 2024.

2. Fluctuations in 401(k) share amounts reflect the plan's unit reporting method; units represent interests in the Company's stock fund.

	/s/ Marissa P. Earnest, attorney-in-fact for William F. Oplinger	01/28/2026
	** 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.