The action could be the first in a series of regulatory actions against the firm related to its mutual fund sales practices.
Federal securities regulators have advised SAC that they may file a civil fraud action against the firm related to the Martoma trades.
Because of the five-year deadline to file securities fraud charges, prosecutors have until mid-July to bring a case against the firm related to those trades.
Earlier this year, SAC agreed to pay a $616 million penalty to resolve two civil insider trading actions brought against the firm related to questionable trading in pharmaceutical and technology stocks.
Donald Trump's former national security adviser, Michael Flynn, is revealing a brief advisory role with a firm related to a controversial data analysis company that aided the Trump campaign, the Associated Press has learned.
The S.E.C.'s decision was a bit more surprising because the enforcement division told Goldman in February that it planned to recommend civil charges against the firm related to its sale of a $1.3 billion mortgage-backed security.
But a company official speaking on the condition of anonymity said that the 2,500 e-mails given to the law firm related only to Mr. Goodman and represented only a small portion of the company's e-mail traffic.
The Securities and Exchange Commission, which brought a parallel civil action against Mr. Martoma, has warned SAC that it is likely to file a fraud lawsuit against the firm related to the Martoma case.
A research document prepared in 2003 by the Gingrich Group, a consulting firm related to the health care center, noted that in improving treatment, the company wished to also emphasize insulin-delivery devices that "offer better financial return for Novo".
A statement yesterday by Shore Deary, a law firm in Dallas that brokered the settlement on behalf of the investors, said that Jenkens & Gilchrist and its insurers had agreed to pay $75 million in a class-action settlement "to resolve all claims against the firm related to its tax work".
