Securities Law

Trading & Pricing

Common Securities Violations

Trading and pricing violations involve any number of trading techniques that are illegal under the securities laws.

These include:

Market timing/late trading

This occurs when a mutual fund permits certain customers to purchase shares in the fund after trading has closed for the day. Because mutual fund prices are set once a day, a customer that purchases after trading is closed can do so at that day’s price and not at the following day’s price.

Marking the Close

Buying or selling a security near the close of the day’s trading in order to affect the closing price.

Front running

The buying or selling of securities while knowing that another investor is about to make a trade that will influence the price of the security. An example would be buying stock in Company A knowing that another investor is about to make a very large purchase of the same stock, causing its price to increase.


An agreement among a group of people delegating authority to a single manager to trade in a specific stock, for a specific period of time, and then to share in the resulting profits or losses.


Buying a stock in a cash account and selling before paying for it.

Stock parking/kiting

Forms of collusion between trading parties in which a trade is entered into with a side agreement that the seller will buy back the stock from the buyer at a later time (done to meet/avoid disclosure obligations), or that they will disregard settlement obligations so that one party can exploit the delay and continue to trade based on a position that should no longer be available.

Naked shorting

Shares are sold short without arrangements made to borrow them to deliver, then seller intentionally fails to deliver within the standard three-day settlement period.


When a broker engages in excessive buying and selling of securities in a customer’s account chiefly to generate commissions that benefit the broker.

5.4% of SEC whistleblower tips involved trading pricing

In recent years, on average, 5.4% of all SEC whistleblower tips have involved this type of securities violation.

Named one of the top whistleblower practices/attorneys in the country by The New York Times, Wall Street Journal, NPR and The New Yorker
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