Encyclopedia of Investment Terminology

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Convertible Securities

A "convertible security" is a security - usually a bond or a preferred stock - that can be converted into a different security - typically shares of the company's common stock. In most cases, the holder of the convertible determines whether and when a conversion occurs. In other cases, the company may retain the right to determine when the conversion occurs.

Companies generally issue convertible securities to raise money. Companies that have access to conventional means of raising capital (such as public offerings and bank financings) might offer convertible securities for particular business reasons. Companies that may be unable to tap conventional sources of funding sometimes offer convertible securities as a way to raise money more quickly. In a conventional convertible security financing, the conversion formula is generally fixed - meaning that the convertible security converts into common stock based on a fixed price. The convertible security financing arrangements might also include caps or other provisions to limit dilution (the reduction in earnings per share and proportional ownership that occurs when, for example, holders of convertible securities convert those securities into common stock).

By contrast, in less conventional convertible security financings, the conversion ratio may be based on fluctuating market prices to determine the number of shares of common stock to be issued on conversion. A market price based conversion formula protects the holders of the convertibles against price declines, while subjecting both the company and the holders of its common stock to certain risks. Because a market price based conversion formula can lead to dramatic stock price reductions and corresponding negative effects on both the company and its shareholders, convertible security financings with market price based conversion ratios have colloquially been called "floorless", "toxic," "death spiral," and "ratchet" convertibles.

Both investors and companies should understand that market price based convertible security deals can affect the company and possibly lower the value of its securities. Here's how these deals tend to work and the risks they pose:

The company issues convertible securities that allow the holders to convert their securities to common stock at a discount to the market price at the time of conversion. That means that the lower the stock price, the more shares the company must issue on conversion.

The more shares the company issues on conversion, the greater the dilution to the company's shareholders will be. The company will have more shares outstanding after the conversion, revenues per share will be lower, and individual investors will own proportionally less of the company. While dilution can occur with either fixed or market price based conversion formulas, the risk of potential adverse effects increases with a market price based conversion formula.

The greater the dilution, the greater the potential that the stock price per share will fall. The more the stock price falls, the greater the number of shares the company may have to issue in future conversions and the harder it might be for the company to obtain other financing.

Before you decide to invest in a company, you should find out what types of financings the company has engaged in - including convertible security deals - and make sure that you understand the effects those financings might have on the company and the value of its securities. You can do this by researching the company in the SEC's EDGAR database and looking at the company's registration statements and other filings. Even if the company sells convertible securities in a private, unregistered transaction (or "private placement"), the company and the purchaser normally agree that the company will register the underlying common stock for the purchaser's resale prior to conversion. You'll also find disclosures about these and other financings in the company's annual and quarterly reports on Forms 10-K and 10-Q, respectively, and in any interim reports on Form 8-K that announce the financing transaction.

If the company has engaged in convertible security financings, be sure to ascertain the nature of the convertible financing arrangement - fixed versus market price based conversion ratios. Be sure you fully understand the terms of the convertible security financing arrangement, including the circumstances of its issuance and how the conversion formula works. You should also understand the risks and the possible effects on the company and its outstanding securities arising from the below market price conversions and potentially significant additional share issuances and sales, including dilution to shareholders. You should be aware of the risks arising from the effects of the purchasers and other parties trading strategies, such as short selling activities, on the market price for the company's securities, which may affect the amount of shares issued on future conversions.

Companies should also understand the terms and risks of convertible security arrangements so that they can appropriately evaluate the issues that arise. Companies entering into these types of convertible securities transactions should understand fully the effects that the market price based conversion ratio may have on the company and the market for its securities. Companies should also consider the effect that significant share issuances and below market conversions have on a company's ability to obtain other financing.

Much of the above information is courtesy of the SEC.

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