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☆ Exclusive: Sigma Lithium COO steps down in new leadership shakeup, shares dive
▼ + stars: | 2023-10-05 | by ( Fabio Teixeira | ) www.reuters.com time to read: +1 min

View shows Sigma Lithium Corp production at the Grota do Cirilo mine in Itinga, in Minas Gerais state, Brazil April 18, 2023. Sigma shares were down about 10% around midday in New York. Last week, Reuters reported that divorce proceedings between Sigma Chief Executive Ana Cabral-Gardner and Calvyn Gardner, her husband and former co-CEO, had triggered several lawsuits, including a dispute over some of the mineral rights where Sigma plans to build mining pits. At the time, Sigma told Reuters the dispute would not affect its expansion plans, as it said it can develop the area via a "waste sharing agreement." Gardner left his co-CEO role in January, and Sigma announced a new chief financial officer in August.

Persons: Washington Alves, Brian Talbot, Talbot, Ana Cabral, Gardner, Calvyn Gardner, Fabio Teixeira, Gabriel Stargardter, Brad Haynes, Susan Fenton, Rosalba O'Brien Organizations: Sigma Lithium Corp, REUTERS, DE, Sigma, Reuters, Sigma Chief, Thomson Locations: Itinga, Minas Gerais, Brazil, DE JANEIRO, Vancouver, New York

☆ Exclusive: Sigma Lithium COO steps down in latest leadership shakeup
▼ + stars: | 2023-10-05 | by ( Fabio Teixeira | ) www.reuters.com time to read: +1 min

View shows Sigma Lithium Corp production at the Grota do Cirilo mine in Itinga, in Minas Gerais state, Brazil April 18, 2023. REUTERS/Washington Alves/File Photo Acquire Licensing RightsRIO DE JANEIRO, Oct 5 (Reuters) - Sigma Lithium (SGML.V) Chief Operating Officer Brian Talbot left the company at the end of last month, he told Reuters on Thursday, in the latest management shakeup at the Vancouver-based miner. Last week, Reuters reported that divorce proceedings between current Sigma Chief Executive Ana Cabral-Gardner and Calvyn Gardner, her husband and former co-CEO, had triggered several lawsuits, including a dispute over some of the mineral rights where Sigma plans to build mining pits. At the time, Sigma told Reuters the dispute would not affect its expansion plans, as it said it can develop the area via a "waste sharing agreement." Gardner left his co-CEO role in January, and Sigma announced a new chief financial officer in August.

Persons: Washington Alves, Brian Talbot, Talbot, Ana Cabral, Gardner, Calvyn Gardner, Fabio Teixeira, Gabriel Stargardter, Brad Haynes, Susan Fenton Organizations: Sigma Lithium Corp, REUTERS, DE, Sigma, Reuters, Thomson Locations: Itinga, Minas Gerais, Brazil, DE JANEIRO, Vancouver

☆ Exclusive: Brazil mineral rights dispute casts shadow on Sigma Lithium expansion
▼ + stars: | 2023-09-28 | by ( Fabio Teixeira | ) www.reuters.com time to read: +6 min

View shows Sigma Lithium Corp SGML.V production at the Grota do Cirilo mine in Itinga, in Minas Gerais state, Brazil April 18, 2023. That transaction, Gardner's lawyers argued, would grant Sigma mineral rights to valuable lithium deposits and hurt RI-X's ability to develop its own mining project. At the time of the transfer, Gardner owned 49% of RI-X and Cabral-Gardner held 51%, documents show. Sigma shares, which had been up 4% in afternoon trading on Thursday, erased gains to close more than 2% lower after Reuters reported on the court injunction. Sigma declined to comment on the New York lawsuit, and said "the divorce proceedings are a private, personal matter and have no impact on how Sigma Lithium conducts business."

Persons: Washington Alves, Ana Cabral, Gardner, Calvyn Gardner, Cabral, Sigma, Fabio Teixeira, Ernest Scheyder, Gabriel Stargardter, Brad Haynes, Rosalba O'Brien Organizations: Sigma Lithium Corp, REUTERS, DE, Sigma, Reuters, Deloitte, Brazilian Mining Association, New, Thomson Locations: Itinga, Minas Gerais, Brazil, DE JANEIRO, Vancouver, Sao Paulo, New York

☆ Sigma Lithium to explore alternatives after proposals for miner, Brazil unit
▼ + stars: | 2023-09-13 | by ( ) www.reuters.com time to read: +1 min

Workers of Sigma Lithium Corp are seen at the Grota do Cirilo mine in Itinga, in Minas Gerais state, Brazil April 18, 2023. REUTERS/Washington Alves/File Photo Acquire Licensing RightsSept 13 (Reuters) - Miner Sigma Lithium (SGML.V), said on Wednesday it is evaluating strategic alternatives for the whole company, including its Brazilian unit, sending the company's U.S.-listed shares up 14.8% in premarket trading. The company said it has received multiple proposals for its Grota do Cirilo project in Brazil, Sigma Brazil and parent company Sigma Lithium. The proposals were from "global industry leaders in the energy, auto, batteries and lithium refining industries", according to Sigma Lithium. Sigma Lithium CEO Ana Cabral-Gardner said in July that Bank of America was coordinating talks with parties interested in acquiring it.

Persons: Washington Alves, Calvyn Gardner, Ana Cabral, Gardner, Sourasis Bose, Shounak Dasgupta Organizations: Sigma Lithium Corp, REUTERS, Sigma, Sigma Lithium, of America, LG Energy, Thomson Locations: Itinga, Minas Gerais, Brazil, U.S, Sigma Brazil, Vancouver , British Columbia, Bengaluru

☆ Sigma Lithium, eyeing buyout, sues ex-CEO and daughter-in-law over trade secrets
▼ + stars: | 2023-08-22 | by ( Jonathan Stempel | ) www.reuters.com time to read: +2 min

NEW YORK, Aug 22 (Reuters) - Sigma Lithium (SGML.V), , which produces metal used in electric vehicle batteries, has sued a former co-chief executive officer, accusing him of stealing trade secrets to undermine the company's effort to sell itself. The lawsuit said Cabral-Gardner and Gardner lead a fund, A10 Investimentos, with a 44% stake in the company, with Cabral-Gardner owning 76% of the fund and Gardner owning 24%. In a July 28 interview, Cabral-Gardner said Sigma has been looking to strengthen its "unique environmentally competitive position" in the global supply chain. The case is Sigma Lithium Corp v Gardner et al, U.S. District Court, Southern District of New York, No. Reporting by Jonathan Stempel in New York; Additional reporting by Tatiana Bautzer; Editing by Jonathan OatisOur Standards: The Thomson Reuters Trust Principles.

Persons: Calvyn Gardner, Sigma's, Ana Cabral, Gardner, Luisa Valim, Gardner's, Valim, Cabral, Sigma, misappropriated, Jonathan Stempel, Tatiana Bautzer, Jonathan Oatis Organizations: Sigma, Bank of America, Sigma Lithium Corp, Court, Southern District of, Thomson Locations: Manhattan, Vancouver , British Columbia, Brazil, U.S, Southern District, Southern District of New York, New York

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