Convertible Preferred Stock: Understanding the Conversion Feature (2024)


When private companies hold financing rounds with venture capital and other professional investors, these investors acquire convertible preferred stock from the company. The “convertible” or “conversion” feature of the preferred stock is fundamental to many of the rights, privileges and preferences granted to the preferred stock investors.

So what is the convertible feature of convertible preferred stock? Read on.

​In the post “LP Corner: Understanding the “Equity” of Private Equity (or, An Introduction to Common Stock and Preferred Stock)” we introduced preferred stock and compared it to common stock. If you’re new to convertible preferred stock, I recommend you read that post before continuing with this one.

The “convertible” of convertible preferred stock refers to situations where the preferred stock will convert into common stock. This is important to understand because it potentially impacts a number of other terms of a preferred stock financing, such as “anti-dilution” provisions, voting provisions, dividends and more. Understanding the convertible feature is also important when working with cap tables, for discussions of “fully-diluted” capital and voting on an “as converted” basis. We’ll discuss these topics in turn.

There are two common situations where preferred stock will convert into common stock:

  • Optional Conversion.
  • Mandatory Conversion.


Optional Conversion
Preferred stockholders will always want the option (an option is the right, but not the obligation, to do something) to convert the preferred stock to common stock. Why? There are two main reasons:

  • Money. In certain situations, such as when the company is acquired, it may be better for a preferred stock investor to convert its preferred stock into common stock. For example, a Series A preferred stock investor in the company may have its return capped at 2x the investment when a company is acquired (this is accomplished through the liquidation preference provisions, which will be discussed in a future post), but if the investor converts the Series A preferred stock to common stock, the investor may receive more than the 2x return. This will be discussed more in a future post on liquidation preference.
  • Voting. Also in certain situations, typically when a state’s law requires a majority vote of both common stockholders and preferred stockholders to sell the company, the common stockholders may not want to vote for the merger if they don’t think they will receive enough money. In this case, the preferred stockholders can convert enough of their preferred stock to common stock so they then own a majority of the common stock and can vote for the merger. If this sounds unfair to the common stockholders (which are mainly the founders, early investors, and employees), it can be. This is why it is really important for entrepreneurs to fully understand the implications of the various terms granted to professional investors.


Mandatory Conversion
Preferred stockholders can be forced to convert their preferred stock to common stock in a few situations:

  • IPO. When a company holds its initial public offering (IPO), it is expected that all outstanding preferred stock will convert to common stock immediately before the IPO. This is because the underwriters (the investment banks) managing the company’s IPO will require it. Public stock market investors don’t want complex equity capital structures – at most the public market will accept a Class A common stock and Class B common stock structure where the Class A common stock has a super-voting right (to keep the founders in control of the company). The public stock market investors won’t accept a company with multiple series of preferred stock that have priority over their common stock.
  • Vote of Preferred Stockholders. If the holders of that series of preferred stock (such as Series A preferred stockholders) vote for it, all of the outstanding preferred stock of that series (Series A) will convert to common stock. The voting threshold for this can be a majority or some super-majority, such as a 2/3 vote.


Mechanics of Conversion
How does conversion work? It starts with the “conversion ratio” which determines the number shares of common stock each share of preferred stock converts into upon conversion. This number starts at one-to-one, or 1:1. This means that starting off each share of preferred stock converts into one share of common stock. This conversion ratio can change if certain events occur, such as a stock split, or if the company has a down round financing, known as a dilutive financing. In a dilutive financing, the “anti-dilution” provisions will change the conversion ratio for the preferred stock. For more on this, see the post “Anti-Dilution Protection: An Overview.”

“As Converted” and “Fully-Diluted” Bases
One often hears investors talk about a company’s ownership on a “fully-diluted” or an “as converted” basis. These terms assume that for purposes of the discussion all of the preferred stock is converted to common stock (it’s not actually converted, it’s just assumed to convert for the purposes of the discussion at hand).

When the term “as converted” is used, it assumes that the preferred stock is converted into common stock at the current conversion ratio.

Example. Assume that LattaRock has 1 million shares of common stock outstanding, and 50,000 shares of Series A Convertible Preferred Stock outstanding which was priced at $1.00 per share and that is initially convertible to common stock on a 1:1 basis. The capitalization table (known as “cap table”) looks like this:

The above table shows that the 50,000 shares of Series A Preferred Stock convert into 50,000 shares of common stock.

Now assume that LattaRock struggles and after some time raises a Series B round at a price of $0.50 per share, or half the price of the Series A stock. Because of the ratchet anti-dilution provisions held by the Series A Preferred stockholders, the Series A conversion ratio automatically changes to a 2:1 ratio – each share of Series A Preferred Stock converts into two shares of common stock. The new cap table looks like this:

​As you can see from the above table, the conversion ratio for the Series A stock is now 2-to-1 and the number of common stock that the preferred stock can convert into is now 100,000 rather than the 50,000 shares before the Series B Preferred Stock financing.

“Fully Diluted”
In the venture capital world, fully-diluted capitalization is the total capitalization of a company, including:

  • All outstanding common stock;
  • All outstanding preferred stock on an “as converted” basis;
  • All outstanding stock options and warrants; and
  • All unissued options in a stock option pool.


There’s some variation in how “fully-diluted” is defined. In the publicly-traded stock arena, there won’t be outstanding convertible preferred stock, and only “in the money” stock options and warrants are included in the calculation. The unissued options in a stock option plan are not included.

The reason the venture capital definition of “fully-diluted” is so broad is that it’s easier to understand the impact of financing rounds on the cap table and on ultimate ownership in a company.




© 2020 Allen J. Latta. All rights reserved.

Convertible Preferred Stock: Understanding the Conversion Feature (2024)

FAQs

What is the conversion feature of convertible preferred stock? ›

Convertible preferred shares give their holders the option of converting them into a set amount of common stock shares in the future. This gives the shareholder the potential benefit of capital appreciation in addition to the guaranteed benefit of a regular dividend.

What is an example of a stock conversion? ›

Example of calculating conversion ratios

A stockholder has a convertible bond that has a par value of $2,000. The conversion price for each stock share is $10. By dividing $2,000 by $10, the stockholder determines they will receive 200 shares of the issuer's common stock.

What is a forced conversion of convertible preferred stock? ›

What Is a Forced Conversion? Forced conversion occurs when the issuer of a convertible security exercises their right to call the issue. In doing so, the issuer forces the holders of the convertible security to convert their securities into a predetermined number of shares.

What is conversion ratio of convertible preference shares? ›

The conversion ratio is the number of common shares acquired when convertible preference shares or bonds are converted. The formula to derive the ratio is the convertible security's par value divided by the equity's conversion price. The conversion price is usually equal to the market price of the common stock.

What is a convertible conversion? ›

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 to convert.

What is the conversion feature of a convertible bond? ›

A convertible bond is a fixed-income corporate debt security that yields interest payments but can be converted into a predetermined number of common stock or equity shares. The conversion from the bond to stock can be done at certain times during the bond's life and is usually at the discretion of the bondholder.

What is the conversion feature? ›

Conversion feature. Specification of the right to transform a particular investment to another form of investment, such as switching between mutual funds or converting preferred stock or bonds to common stock.

How to calculate preferred stock conversion? ›

This price, known as the conversion price, is equal to the purchase price of the preferred share, divided by the conversion ratio. So for XYZ, the market conversion price is $15.38 or ($100/6.5). In other words, XYZ common shares need to be trading above $15.38 for investors to gain from a conversion.

What is the purpose of conversion of shares into stock? ›

Companies may need to convert shares to stock to raise money for other activities, increase stock prices, change shareholders' ownership rights, and much more. There are dozens of reasons why a company may want to convert its shares to stocks.

What are the disadvantages of convertible preferred stock? ›

Some disadvantages of convertible preferred stocks are that they are riskier and become less profitable when transformed into common stock. In addition, an issuer's control of the company diminishes upon the transformation to common stock since they have voting rights.

What's an advantage to owning convertible preferred stock? ›

Convertible preferred stock is an attractive investment option for investors who are looking for a balance between risk and reward. It provides investors with the potential for capital appreciation through share price appreciation, as well as a steady stream of income through dividend payments.

Can convertible preference shares be converted into equity shares? ›

Compulsorily Convertible Preference Shares (“CCPS”) is a form of hybrid financial instruments, which are initially preference shares that, under the provisions of a mutually agreed-upon time period, convert into equity shares of the company. CCPS gives the holders precedence over equity shareholders in two ways.

What is convertible preferred stock normally converted into? ›

Convertible preferred stock is a type of share that comes with an inbuilt provision that gives the owner the option to convert them into a predetermined number of common shares after a specific date.

How do you calculate conversion shares? ›

The registration statement tells investors the number of shares to be granted. For example, one bond that can be converted to 20 shares of common stock has a 20-to-1 conversion ratio. The conversion ratio can also be found by taking the bond's par value, which is generally $1,000, and dividing it by the share price.

What is the automatic conversion of preferred shares? ›

An automatic conversion clause is a provision that allows for the automatic exchange of preferred stock or convertible debt for common stock in a company. The conversion is considered automatic or mandatory because it does not require a vote of the board of directors for the conversion to take place.

Why is the conversion feature of a convertible bond desirable from the investor's point of view? ›

For investors, the convertible structure offers risk-managed participation in the stock market. The conversion feature provides the opportunity for upside participation, while the convertibles' fixed income features can cushion the impact of equity market drawdowns.

What is preferred stock as converted basis? ›

“As Converted to Common Stock Basis” is a stock ownership concept that determines the rights and/or benefits of holders of Preferred Stock based on the assumption that all shares of Preferred Stock have converted into shares of Common Stock.

Is conversion of preferred stock to common stock taxable? ›

Taxation of Conversion: When the convertible preferred stock is converted into common stock, it is generally not a taxable event. However, if the conversion price is below the fair market value of the common stock at the time of conversion, the difference may be considered taxable income.

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