secwatch / observer
8-K filed March 6, 2025, 6:59 PM ET CIK 0001977303
M&A confidence high sentiment neutral materiality 1.00

Arcadium Lithium plc: M&A transaction — Rio Tinto completes acquisition of Arcadium Lithium for $5.85/share; shares to be delisted

Arcadium Lithium plc

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Appointed

Brendan Molloy

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, shortly after the Effective Time, Jennifer Pekman and Brendan Molloy were appointed as directors of the Company.
Departed

Florencia Heredia

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

John Turner

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Leanne Heywood

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Alan Fitzpatrick

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Robert Pallash

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Steven Merkt

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Peter Coleman

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Michael Barry

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Appointed

Jennifer Pekman

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, shortly after the Effective Time, Jennifer Pekman and Brendan Molloy were appointed as directors of the Company.
Departed

Fernando Oris de Roa

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Paul Graves

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Christina Lampe-Önnerud

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
Departed

Gilberto Antoniazzi

Vice President, Chief Financial Officer and Treasurer
Arcadium Lithium plc
Filed
March 6, 2025, 6:59 PM ET
On March 5, 2025, the Company made an internal announcement that Gilberto Antoniazzi, Vice President, Chief Financial Officer and Treasurer, will be leaving the Company after helping with the transition related to the Transaction, and that Sara Ponessa, Vice President, General Counsel and Secretary, will also be leaving the Company.
Departed

Sara Ponessa

Vice President, General Counsel and Secretary
Arcadium Lithium plc
Filed
March 6, 2025, 6:59 PM ET
On March 5, 2025, the Company made an internal announcement that Gilberto Antoniazzi, Vice President, Chief Financial Officer and Treasurer, will be leaving the Company after helping with the transition related to the Transaction, and that Sara Ponessa, Vice President, General Counsel and Secretary, will also be leaving the Company.
Departed

Pablo Marcet

Director
Arcadium Lithium plc
Effective
2025-03-06
Filed
March 6, 2025, 6:59 PM ET
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Brendan Molloy was appointed as Director at Arcadium Lithium plc.

Action
appointed
Role
Director
Exact text from the filing
On March 6, 2025, shortly after the Effective Time, Jennifer Pekman and Brendan Molloy were appointed as directors of the Company.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Florencia Heredia departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

John Turner departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Leanne Heywood departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Alan Fitzpatrick departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Robert Pallash departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Steven Merkt departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Peter Coleman departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Michael Barry departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Jennifer Pekman was appointed as Director at Arcadium Lithium plc.

Action
appointed
Role
Director
Exact text from the filing
On March 6, 2025, shortly after the Effective Time, Jennifer Pekman and Brendan Molloy were appointed as directors of the Company.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Fernando Oris de Roa departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Paul Graves departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Christina Lampe-Önnerud departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Gilberto Antoniazzi departed as Vice President, Chief Financial Officer and Treasurer at Arcadium Lithium plc.

Action
will be leaving
Role
Vice President, Chief Financial Officer and Treasurer
Exact text from the filing
On March 5, 2025, the Company made an internal announcement that Gilberto Antoniazzi, Vice President, Chief Financial Officer and Treasurer, will be leaving the Company after helping with the transition related to the Transaction, and that Sara Ponessa, Vice President, General Counsel and Secretary, will also be leaving the Company.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Sara Ponessa departed as Vice President, General Counsel and Secretary at Arcadium Lithium plc.

Action
will be leaving
Role
Vice President, General Counsel and Secretary
Exact text from the filing
On March 5, 2025, the Company made an internal announcement that Gilberto Antoniazzi, Vice President, Chief Financial Officer and Treasurer, will be leaving the Company after helping with the transition related to the Transaction, and that Sara Ponessa, Vice President, General Counsel and Secretary, will also be leaving the Company.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Pablo Marcet departed as Director at Arcadium Lithium plc.

Action
ceased to be a director
Role
Director
Exact text from the filing
On March 6, 2025, each of Peter Coleman, Paul Graves, Alan Fitzpatrick, Christina Lampe-Önnerud, Fernando Oris de Roa, Florencia Heredia, John Turner, Leanne Heywood, Michael Barry, Pablo Marcet, Robert Pallash and Steven Merkt ceased to be a director (and removed from all committees thereof, as applicable) of the Company, effective as of the Effective Time.
View on SEC.gov
Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Arcadium Lithium plc: Articles of association amended and restated to approve validity of unanimous written consent by all members in lieu of a general meeting (effective 2025-03-06).

Change
charter amendment
Effective
2025-03-06
Exact text from the filing
On March 6, 2025, shortly after the Effective Time, the articles of association of the Company were amended and restated to approve the validity of a unanimous written consent by all members in lieu of a general meeting of the Company.
View on SEC.gov
M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.9

Arcadium Lithium plc underwent a change of control involving Rio Tinto Western Holdings Limited and Rio Tinto BM Subsidiary Limited for $5.85 per Company Share (closed 2025-03-06).

Action
change of control
Counterparty
Rio Tinto Western Holdings Limited and Rio Tinto BM Subsidiary Limited
Consideration
$5.85 per Company Share
Closing
2025-03-06
Exact text from the filing
composed entirely of cash, and, as a result, the Conversion Obligation (as defined in the Indenture) has been calculated based on an amount in cash, without interest, equal to $5.85 (the “ Per Share Consideration ”) per Company Share (as defined below), which is, from, and including, March 6, 2025, the effective date of the Transaction, up to, and ending at
View on SEC.gov

74 governance changes filed in the last 30 days. Browse all governance changes →

Source: SEC EDGAR
accession 0000950103-25-003078
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