Twist Bioscience Announces Proposed Public Offering of $250.0 Million of Common Stock

Key Terms

underwritten public offering financial

An underwritten public offering is when a company sells new shares of its stock to the public with the help of a financial firm, called an underwriter. The underwriter agrees to buy all the shares upfront, reducing the company's risk, and then sells them to investors. This process helps companies raise money quickly and confidently from a wide range of buyers.

automatic shelf registration statement regulatory

An automatic shelf registration statement is a pre-approved filing that companies submit to securities regulators, allowing them to sell new shares or bonds quickly and efficiently when needed. It acts like a standing permit, enabling the company to raise money without going through a lengthy approval process each time, which can be helpful for responding promptly to market opportunities or needs. For investors, it provides transparency about the company's ability to raise funds and signals planning flexibility.

form s-3 regulatory

Form S-3 is a legal document companies use to register their stock sales with the government, making it easier and faster for them to raise money by selling shares to investors. It’s like having a pre-approved shopping list that lets a company quickly sell new shares when they need funds, without going through a lengthy approval process each time.

preliminary prospectus supplement regulatory

A preliminary prospectus supplement is an initial document that provides important details about a new stock or bond offering before it is finalized. It helps investors understand what is being sold and why, so they can decide whether to invest. Think of it as a preview before the full sales brochure is ready.

joint book-running managers financial

Joint book-running managers are the lead banks or financial firms responsible for organizing and overseeing the sale of a large financial offering, such as a company’s stock or bonds. They coordinate efforts to set the price, attract investors, and ensure the offering is successful. Their role is important to investors because they help ensure the offering is well-managed, properly priced, and accessible to a wide range of buyers.

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SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)-- Twist Bioscience Corporation (Nasdaq: TWST) (“Twist”), a mid-cap growth and value biotech company, today announced the commencement of an underwritten public offering of $250.0 million of shares of its common stock. In addition, Twist intends to grant the underwriters a 30-day option to purchase up to an additional $37.5 million of shares of its common stock. All of the shares of common stock to be sold in the proposed offering are being offered by Twist. The proposed offering is subject to market and other conditions, and there can be no assurance as to whether or when the proposed offering may be completed, or as to the actual size or terms of the proposed offering.

Twist intends to use the net proceeds from the proposed offering, together with its existing cash, cash equivalents and marketable securities, to fund research and development investments, expansion of manufacturing capacity, product offerings and the remainder for working capital and other general corporate purposes.

Goldman Sachs & Co. LLC, William Blair, Leerink Partners and Guggenheim Securities are acting as joint book-running managers for the proposed offering.

The securities described above are being offered by Twist pursuant to an automatic shelf registration statement on Form S-3 that was filed with the U.S. Securities and Exchange Commission (the “SEC”) on June 18, 2026 and became effective upon filing. Electronic copies of the preliminary prospectus supplement and accompanying prospectus will also be available on the website of the SEC at http://www.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus relating to these securities may also be obtained by request from Goldman Sachs & Co. LLC, Attention: Prospectus Department, 200 West Street, New York, NY 10282, by telephone at (866) 471-2526, or by email at Prospectus-ny@ny.email.gs.com ; William Blair & Company, L.L.C., Attention: Prospectus Department, 150 North Riverside Plaza, Chicago, IL 60606, by telephone at (800) 621-0687, or by email at prospectus@williamblair.com; Leerink Partners LLC, Attention: Syndicate Department, 53 State Street, 40th Floor, Boston, MA 02109, by telephone at (800) 808-7525, ext. 6105, or by email at syndicate@leerink.com; or Guggenheim Securities, LLC, Attention: Equity Syndicate Department, 330 Madison Avenue, 8th Floor, New York, NY 10017, by telephone at (212) 518-9544, or by email at GSEquityProspectusDelivery@guggenheimpartners.com.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Twist Bioscience Corporation

At Twist Bioscience, our customizable solutions across the biological continuum raise the bar in diagnostics, therapeutics, industrial, agriculture and research markets.

We drive innovation with confidence, without compromise. Whether delivering oligos, genes, proteins, libraries, characterization data, antibody discovery solutions, or NGS workflow tools, our scientific expertise and exceptional customer experience help navigate complex challenges, all with precision and at the scale and speed customers require. By enhancing R&D efficiency at every turn, we give scientists more shots on goal – more experiments, more iterations, more chances for remarkable discoveries.

Together, we stand with customers in the relentless pursuit of progress, backed by enterprise reliability, to shape a healthier and more sustainable future for all.

Legal Notice Regarding Forward-Looking Statements

This press release contains forward-looking statements. All statements other than statements of historical facts contained herein, including without limitation statements regarding the offer and sale of shares, the terms of the proposed offering, the expected use of proceeds to be received by it in the proposed offering, and the grant of the option to purchase additional shares are forward-looking statements reflecting the current beliefs and expectations of management made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve known and unknown risks, uncertainties, and other important factors that may cause Twist Bioscience’s actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, the risks and uncertainties set forth in Twist Bioscience’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) on November 17, 2025, the preliminary prospectus supplement related to the proposed offering and subsequent filings with the SEC. Any of these risks and uncertainties could materially and adversely affect Twist Bioscience’s results of operations, which would, in turn, have a significant and adverse impact on Twist Bioscience’s stock price. Any forward-looking statements contained in this press release speak only as of the date hereof, and Twist Bioscience specifically disclaims any obligation to update any forward-looking statement, whether as a result of new information, future events or otherwise.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260804029324/en/

For Investors:
Angela Bitting
SVP, Corporate Affairs
925-202-6211
abitting@twistbioscience.com

For Media:
Amanda Houlihan
Communications Manager
774-265-5334
ahoulihan@twistbioscience.com

Source: Twist Bioscience Corporation