Ken Giacobbe - 05 May 2025 Form 4/A - Amendment Insider Report for Howmet Aerospace Inc. (HWM)

Role: EVP and CFO
Signature: /s/ Margaret Lam, Assistant Secretary (Attorney-in-Fact)
Issuer symbol: HWM
Transactions as of: 05 May 2025
Net transactions value: -$4,703,203
Form type: 4/A - Amendment
Filing time: 09 May 2025, 18:00:16 UTC
Date Of Original Report: 07 May 2025
Previous filing: 20 Feb 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Giacobbe Ken	EVP and CFO	201 ISABELLA STREET SUITE 200, PITTSBURGH	/s/ Margaret Lam, Assistant Secretary (Attorney-in-Fact)	09 May 2025	0001688603

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HWM	Common Stock	Tax liability	$4,703,203	-30,473	-14%	$154.34	182,285	05 May 2025	Direct	F1, F2
holding	HWM	Common Stock						969	05 May 2025	By Company 401(k) Plan

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents payment of tax liability by delivering or withholding shares incident to the vesting of a stock award issued in accordance with Rule 16b-3.
F2	This amendment is being filed to reflect a corrected calculation of the number of shares withheld for payment of the reporting person's tax liability incident to the vesting of previously issued restricted stock units, and to correct the number of shares held directly by the reporting person following this change.