The former SAC trader, Mathew Martoma, is still facing a criminal trial and has pleaded not guilty.

BBC: SAC Capital fund pays $614m over insider trading

In its latest salvo, the government charged Mathew Martoma with three counts of securities fraud last week.

FORBES: The Obscure Insider Trading Case That Started It All

Regulators have charged former SAC employees, including Mathew Martoma and Jon Horvath, but have never brought any charges against Cohen.

FORBES: Hedge Fund Billionaire Steve Cohen's $155M Picasso Isn't His First Multi-Million Piece Of Art

As alleged, by cultivating and corrupting a doctor with access to secret drug data, Mathew Martoma and his hedge fund benefited from what might be the most lucrative inside tip of all time.

FORBES: 'Most Lucrative Insider Trading Scheme Ever': Trader With SAC Ties Charged With Illicit $276 Million Score

The SEC said in its complaint that Sidney Gillman, a doctor who moonlighted as a medical consultant, tipped CR Intrinsic portfolio manager Mathew Martoma with safety data and eventually negative results in the trial of the drug made by drug firms Elan Corp. and Wyeth two weeks before they were made public in 2008.

WSJ: Fund pays $600M to settle insider trading charges