Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Reyes Timothy D.

2. Date of Event Requiring Statement (MM/DD/YYYY) 11/1/2018

3. Issuer Name and Ticker or Trading Symbol

Alcoa Corp [AA]

(Last) (First) (Middle)

201 ISABELLA STREET, SUITE 500

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

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
President, Aluminum segment /

(Street)

PITTSBURGH, PA 15212-5858

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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	28125	D
Common Stock, par value $0.01 per share	594	I ⁽¹⁾	By Company 401(k) Plan

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (right to buy)	⁽²⁾	2/2/2027	Common Stock	7390	$37.68	D
Employee Stock Option (right to buy)	⁽³⁾	1/24/2028	Common Stock	7280	$53.30	D
Phantom Stock Units	⁽⁴⁾	⁽⁴⁾	Common Stock	75	⁽⁵⁾	D

Explanation of Responses:
(1)	Fluctuations in 401(k) share amounts reflect the plan's unit reporting method; units represent interests in the Company's stock fund.
(2)	The option vests in three equal annual installments beginning February 2, 2018.
(3)	The option vests in three equal annual installments beginning January 24, 2019.
(4)	Phantom stock units, acquired under the Alcoa USA Corp. Deferred Compensation Plan (the "Plan"), are to be paid out in cash after termination of employment. The reporting person may transfer the phantom stock units into an alternative investment account under the Plan at times permitted under the Plan.
(5)	Each phantom stock unit is the economic equivalent of one share of Alcoa Corporation common stock.

Remarks:
Exhibit List

Exhibit 24 - Power of Attorney - Timothy D. Reyes

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Reyes Timothy D. 201 ISABELLA STREET SUITE 500 PITTSBURGH, PA 15212-5858			President, Aluminum segment

Signatures
/s/ Marissa P. Earnest, attorney-in-fact for Timothy D. Reyes		11/9/2018
^** 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.
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