Barbara A. Fochtman - Sep 1, 2024 Form 4 Insider Report for Arcadium Lithium plc (ALTM)

Role: Chief Operations Officer
Signature: /s/ Sara Ponessa, as attorney-in-fact
Stock symbol: ALTM
Transactions as of: Sep 1, 2024
Transactions value $: $0
Form type: 4
Date filed: 9/5/2024, 11:04 AM
Next filing: Nov 15, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTM	Ordinary Shares	Award		+18.5K	+11.05%		185K	Sep 1, 2024	Direct	F1
holding	ALTM	Ordinary Shares						9.62K	Sep 1, 2024	By Spouse

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	$0	+45K		$0.00	45K	Sep 1, 2024	Ordinary Shares	45K	$2.71	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Reflects the grant of RSUs with respect to ordinary shares of the Issuer under the Issuer's Omnibus Incentive Plan (the "Plan"). The RSUs are scheduled to vest in equal instalments on each of the first three anniversaries of the date of grant, subject to the terms of the Plan and the applicable award agreement issued thereunder.
F2	Reflects the grant of stock options to purchase ordinary shares of the Issuer under the Plan. The stock options are scheduled to vest and become exercisable in equal instalments on each of the first three anniversaries of the date of grant, subject to the terms of the Plan and the applicable award agreement issued thereunder. The stock options will expire on the tenth anniversary of the date of grant.

Content

Reflects the grant of RSUs with respect to ordinary shares of the Issuer under the Issuer's Omnibus Incentive Plan (the "Plan"). The RSUs are scheduled to vest in equal instalments on each of the first three anniversaries of the date of grant, subject to the terms of the Plan and the applicable award agreement issued thereunder.

Reflects the grant of stock options to purchase ordinary shares of the Issuer under the Plan. The stock options are scheduled to vest and become exercisable in equal instalments on each of the first three anniversaries of the date of grant, subject to the terms of the Plan and the applicable award agreement issued thereunder. The stock options will expire on the tenth anniversary of the date of grant.