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Insider trading investigations are among the most complex and high stakes matters pursued by the SEC and the Department of Justice. What may begin as unusual trading activity flagged by market surveillance systems can quickly escalate into subpoenas, testimony requests, parallel criminal investigations, and allegations carrying severe financial, professional, and even criminal consequences. Individuals under investigation are often confronted with rapidly evolving legal issues involving trading records, electronic communications, confidential information, and federal securities laws.
This Insider Trading Defense Hub was created to serve as a comprehensive resource for individuals, executives, traders, investment professionals, and companies seeking information about insider trading investigations, SEC enforcement actions, and available defense strategies. Throughout this hub, you will find detailed articles, legal analysis, FAQs, enforcement trends, and insights from former SEC prosecutor David R. Chase regarding how insider trading cases are investigated, defended, negotiated, and litigated.
Whether you are responding to an SEC subpoena, evaluating a Wells Notice, or seeking to better understand your rights and potential defenses, this resource center is designed to provide valuable guidance at every stage of the investigation process.

The SEC needs to prove that an individual traded while in possession of what is called material nonpublic information, meaning an inside tip that was derived from a breach of a fiduciary duty by another.Alternatively, the SEC needs to prove that an individual lawfully came into possession of material nonpublic information—for example, a consultant to a company who is given access to that information for work purposes—but then misappropriated or misused it to trade for personal benefit.It is a lot easier said and defined than proven by the SEC.
I investigated insider trading cases when I was at the SEC. They are difficult to prove. As defense counsel, I insist that the government prove its case, or at least make a showing that it can prove its case.
For clients who did not engage in insider trading, I often advise them to speak to the SEC truthfully, look them in the eye and deny the allegations if that denial is true.
In other situations, I will advise my client to assert his Fifth Amendment right under the United States Constitution, which permits him to remain silent.
The United States Supreme Court has made clear that the Fifth Amendment is designed not only to protect the guilty, but is also designed to protect the innocent who have a reasonable fear of prosecution.
Under that reasoning, a client who is concerned that a statement may be misinterpreted or improperly used against him can constitutionally and lawfully remain silent.
What is the effect of that strategically? It requires the SEC to prove its case. It does not allow the SEC to use my client’s words against him. Instead, they need to independently establish by a preponderance of the evidence the elements necessary to prove their case.
When your reputation, career, financial future, and freedom are at stake, the attorney you choose matters. David R. Chase, Esq. is a former SEC Division of Enforcement attorney who has devoted his practice to representing individuals and businesses facing SEC investigations and complex securities enforcement matters.
If you have received a subpoena, Wells Notice, trading inquiry, or contact from the SEC or federal prosecutors, early legal intervention can make a critical difference. David R. Chase, P.A. provides experienced defense representation in complex insider trading investigations and enforcement actions nationwide.

Explore the legal strategies and defenses that may be available in SEC and federal insider trading cases, including challenges to materiality, scienter, intent, tipping allegations, and evidentiary issues. Click here to learn more about defending against insider trading charges.

Learn when insider trading investigations may escalate from a civil SEC matter to a parallel criminal investigation by the Department of Justice, and why early defense strategy is critical when federal prosecutors become involved.