Alcoa CEO Oplinger Withholds Shares for Tax Obligations

Alcoa President, CEO and Director William F. Oplinger reported a routine insider stock transaction.

Rhea-AI Filing Summary

Alcoa President, CEO and Director William F. Oplinger reported a routine insider stock transaction. On January 29, 2026, 14,840 shares of Alcoa common stock were withheld by the company at $60.64 per share to satisfy his tax obligations on restricted stock units granted in 2025.

After this tax withholding, Oplinger reports beneficial ownership of 328,938 Alcoa common shares held directly, plus 542 shares held indirectly through the company 401(k) plan. This reflects tax-related share withholding by the issuer rather than an open‑market sale of shares.

Insider Trade Summary

Exercise Price or Tax Liability: 14,840 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	14,840	$60.64	$900K
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 328,938 shares (Direct); Common Stock, par value $0.01 per share — 542 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 2025.
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 insider stock transaction did Alcoa (AA) CEO William Oplinger report?

Alcoa CEO William F. Oplinger reported a tax-related share withholding transaction. On January 29, 2026, Alcoa withheld 14,840 common shares at $60.64 per share to cover his tax obligations from the vesting of restricted stock units granted in 2025.

How many Alcoa (AA) shares were withheld for William Oplinger’s taxes?

Alcoa withheld 14,840 common shares for William Oplinger’s tax obligations. The withholding occurred at a price of $60.64 per share in connection with the vesting of restricted stock units granted in 2025, as disclosed in the Form 4 filing footnotes.

How many Alcoa (AA) shares does CEO William Oplinger own after this transaction?

After the reported transaction, William Oplinger beneficially owns 328,938 Alcoa common shares directly. He also reports an additional 542 shares held indirectly through the company 401(k) plan, reflecting his interests in Alcoa’s stock fund within that retirement plan.

Was William Oplinger’s Alcoa (AA) Form 4 transaction an open-market sale?

The transaction was not an open-market sale; it was tax withholding by Alcoa. The company withheld 14,840 shares to satisfy William Oplinger’s tax obligations upon vesting of restricted stock units, rather than him selling shares on the open market.

How are William Oplinger’s Alcoa (AA) 401(k) holdings reported?

William Oplinger’s 401(k) holdings are reported as 542 Alcoa common shares held indirectly through the company 401(k) plan. Footnotes explain that fluctuations reflect the plan’s unit-based reporting, where units represent interests in the company’s stock fund rather than direct share trades.

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

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Accepted by SEC EDGAR 02/02/2026 - 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)
01/29/2026

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	01/29/2026		F		14,840(1)	D	$60.64	328,938	D
Common Stock, par value $0.01 per share								542(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 2025.

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	02/02/2026
	** 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.