The proposal on insider stock trades would require companies to notify investors "on a current basis" when top executives buy or sell stock.

Form 8-K is a very broad form used to notify investors of any material event that is important to shareholders or the United States Securities and Exchange Commission.

Form 8-K is used to notify investors of a current event.

Each quarter, or whenever there is a major change in a portfolio because of a merger or other events, FolioFN updates the portfolio and notifies investors by e-mail.

On July 27, Mr. Israel notified investors that he was closing the Bayou funds to spend more time with his family.

Cordiant unexpectedly notified investors that revenue would decline 5 percent this year because the attacks worsened the outlook for the already weakening economy.

In a statement, an Avon spokesperson said that because the F.T.C.'s rulemaking is in its early stages, the company determined that it was premature to notify investors.

Monus' business partner David Shapira contacted federal agents, notified investors, and fired Monus, along with Phar-Mor's chief financial officer Patrick Finn.

Mr. Rynne said Tandem had not finished compiling figures for its first quarter, which ended Dec. 31, but he said the decline was of a magnitude that required the company to notify investors.

James Vaughn, Egyptian's managing director, died of a heart attack Tuesday, soon after he notified investors of the talks' demise.