Ronald B. Stark - 04 Jan 2024 Form 4/A Insider Report for Arcadium Lithium plc

Role: Chief Accounting Officer
Signature: /s/ Sara Ponessa, as attorney-in-fact
Issuer symbol: N/A
Transactions as of: 04 Jan 2024
Net transactions value: $0
Form type: 4/A
Filing time: 12 Jan 2024, 10:37:50 UTC
Date Of Original Report: 08 Jan 2024
Previous filing: 27 Dec 2023
Next filing: 01 Feb 2024
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ALTM	Stock Option (Right to Buy)	Award		+18,790			18,790	04 Jan 2024	Ordinary Shares	18,790	$7.07	Direct	F1, F2
transaction	ALTM	Stock Option (Right to Buy)	Award		+18,790			18,790	04 Jan 2024	Ordinary Shares	18,790	$7.07	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The original Form 4, filed on January 8, 2024, is being amended by this Form 4 amendment to correct an error which omitted these tranches from the list of stock options to purchase common stock of Livent Corporation ("Livent"), par value $0.001 per share ("Livent Options") beneficially owned by the reporting person as of January 4, 2024 and converted in accordance with the terms of the Transaction Agreement, dated as of May 10, 2023, by and between Livent, Allkem Limited ("Allkem"), Lightning-A Merger Sub, Inc. and Arcadium, providing for a combination of Livent and Allkem in a merger of equals transaction (as amended, the "Transaction Agreement")
F2	Represents the conversion of Livent Options into stock options to purchase ordinary shares of Arcadium Lithium plc ("Arcadium"), par value $1.00 per share ("Arcadium Options"), in accordance with the terms of the Transaction Agreement, in connection with the merger of equals transaction.

Content

The original Form 4, filed on January 8, 2024, is being amended by this Form 4 amendment to correct an error which omitted these tranches from the list of stock options to purchase common stock of Livent Corporation ("Livent"), par value $0.001 per share ("Livent Options") beneficially owned by the reporting person as of January 4, 2024 and converted in accordance with the terms of the Transaction Agreement, dated as of May 10, 2023, by and between Livent, Allkem Limited ("Allkem"), Lightning-A Merger Sub, Inc. and Arcadium, providing for a combination of Livent and Allkem in a merger of equals transaction (as amended, the "Transaction Agreement")

Represents the conversion of Livent Options into stock options to purchase ordinary shares of Arcadium Lithium plc ("Arcadium"), par value $1.00 per share ("Arcadium Options"), in accordance with the terms of the Transaction Agreement, in connection with the merger of equals transaction.