What Is Series Seed Preferred Stock?


When it comes to investing in startups, the type of security you purchase can play a significant role in determining your return on investment. One popular option for early-stage investments is Series Seed Preferred Stock. In this article, we will explore what Series Seed Preferred Stock is, how it works, and the advantages and disadvantages of investing in it.

I have been advising startups and investors in venture capital transactions and angel financing investments for over 20 years, guiding and counseling clients through the process, negotiating on their behalf, protecting their rights, and ensuring clarity and understanding of an otherwise stressful process. Read more about my Corporate Finance practice here.

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What is Series Seed Preferred Stock?

Series Seed Preferred Stock is a type of preferred stock issued by startups during their early stage of development. Preferred stock is a hybrid security that combines elements of both debt and equity. Unlike common stock, which gives owners voting rights and the potential for unlimited returns, preferred stock can provide a guaranteed return in the form of dividends and a priority claim on assets in the event of a bankruptcy.

How does Series Seed Preferred Stock work?

In a Series Seed financing round, startups issue a new class of preferred stock to investors. The terms of this new class are typically set forth in an amended and restated certificate of incorporation, and are sold by means of a stock purchase agreement. The transaction is supplemented by use of several other important ancillary agreements. The deal documents memorialize many terms and conditions of the sale of the series seed preferred stock, as well as the respective rights, privileges, preferences, and obligations of the issuing company, the investors, and (often) certain other stockholders of the company.

Click this link to read more about the terms and conditions in a venture capital financing deal in my article, Venture Capital Term Sheet.

Advantages of Investing in Series Seed Preferred Stock

There are many advantages to the purchasers of Series Seed Preferred Stock. These advantages to the investors represent correlative risks to the issuing company and/or the founders and other holders of the company's common stock. They can include (but by no means are limited to) the following: 

  • Liquidation Preference: Preferred stockholders have a priority claim on assets in the event of a bankruptcy, which can provide some security for investors.

  • Dividends: Depending on the terms of the particular deal, preferred stockholders may be entitled to receive a fixed dividend, providing a steady stream of income.

  • Potential for Appreciation: Preferred stock is often convertible into common stock, which gives investors the opportunity to participate in the appreciation of the company's value if it is successful.

  • Early Access: Series Seed Preferred Stock is typically offered in early-stage financing rounds, which gives investors the opportunity to get in on the ground floor of a promising startup.

  • Protective Provisions: Holders of a company's Series Seed Preferred Stock typically receive significant "veto rights" over proposed major actions of the company, including mergers, acquisitions, and raising future funds from other investors.

Disadvantages of Investing in Series Seed Preferred Stock

Similarly, there are certain risks to the purchasers of Series Seed Preferred Stock. They can include (but by no means are limited to) the following: 

  • Risk of Loss: As with any investment in a startup, there is always a risk of loss. Preferred stockholders may not receive their dividends or any return on their investment if the company is not successful.

  • Liquidity: Startups are often not publicly traded, which means that it can be difficult to sell your shares if you need to liquidate your investment.


Series Seed Preferred Stock can be an attractive option both for early-stage investors who are looking for a combination of stability and potential for growth, and for startup companies that need capital to fund growth and take their business to the next stage. However, it is important for either party to understand the advantages and disadvantages before making any investment decision, as there are inherent risks involved with investing in startups and with seeking third-party funding. If you're considering investing in a startup, or if you are a startup considering taking venture capital funding, it is always advisable to consult with legal counsel.


Contact an experienced corporate & securities attorney if you are contemplating investing in a venture capital seed round in a startup, or if your company is considering seeking seed round venture capital financing. Make an appointment now for a Free Consultation.  

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I have become very impressed with the efficiency possibilities of AI. So, I gave ChatGPT a try. I generated this text in part with GPT-3, OpenAI's large-scale language-generation model. After it generated its own draft language, I reviewed, edited, revised, and expanded on it to my own liking and to ensure accuracy in all material respects. WLF takes ultimate responsibility for the content of this article.


This article is not legal advice, but is provided for general information purposes only: see the disclaimer in the footer of this site, and read Legal Notices here.

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