Item 5. Market for Registrant’s Common Equity
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.
Market Information
Our common stock, $0.001 par value per share, trades on the Nasdaq Global Market under the symbol “CSTL”.
Holders of Record
As of February 19, 2026, there were approximately 73 stockholders of record of our common stock, which does not include stockholders who hold shares in street name.
Dividend Policy
We have never declared or paid cash dividends on our capital stock. We currently intend to retain all available funds and any future earnings for use in the operation of our business and do not anticipate paying any dividends on our common stock in the foreseeable future. Any future determination to declare dividends will be made at the discretion of our board of directors and will depend on, among other factors, our financial condition, operating results, capital requirements, contractual restrictions, general business conditions and other factors that our board of directors may deem relevant. In addition, the 2024 LSA limits our ability to pay cash dividends.
Recent Sales of Unregistered Equity Securities
During the year ended December 31, 2025, we did not issue or sell any unregistered securities not previously disclosed in a Quarterly Report on Form 10-Q or in a Current Report on Form 8-K.
Securities Authorized for Issuance under Equity Compensation Plans
See Item 12 of Part III of this Annual Report on Form 10-K for information about our equity compensation plans which is incorporated by reference herein.
Use of Proceeds from the IPO of Common Stock
We completed the initial public offering (“IPO”) of our common stock in July 2019 pursuant to our Registration Statements on Form S-1, as amended (File Nos. 333-232369 and 333-232796) (the “IPO Registration Statements”) with the Securities and Exchange Commission (the “SEC”), which were declared or became effective on July 24, 2019. There has been no material change in our planned use of the net proceeds from the offering as described in the final prospectus filed with the SEC on July 26, 2019 related to our IPO Registration Statements. Since the effective date of our IPO Registration Statements through December 31, 2025, we have not used any of the net proceeds from the IPO. Pending their use, we plan to invest the balance of the net proceeds from the IPO in cash, cash equivalent, and highly liquid investment securities.
Purchases of Equity Securities by the Issuer and Affiliated Purchasers
We did not repurchase any of our equity securities during the three months ended December 31, 2025.
Stock Performance Graph
The following information is not deemed to be “soliciting material” or to be “filed” with the SEC or subject to Regulation 14A or 14C under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or to the liabilities of Section 18 of the Exchange Act, and will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act, except to the extent we specifically incorporate it by reference into such a filing.
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Table of Contents
The graph below compares the cumulative total stockholder return of our common stock to the Nasdaq Composite Index and the Nasdaq Biotechnology Total Return Index. The graph and table below assume that $100 was invested on December 31, 2020, and dividends, if any, were reinvested on the date of payment without payment of any commissions. The comparisons in the table are required by the SEC and are not intended to forecast or be indicative of future performance of our common stock.
12/31/2020 12/31/2021 12/31/2022 12/31/2023 12/31/2024 12/31/2025
Castle Biosciences, Inc. $ 100.00 $ 63.84 $ 35.06 $ 32.14 $ 39.69 $ 57.93
Nasdaq Composite Index $ 100.00 $ 121.39 $ 81.21 $ 116.47 $ 149.83 $ 180.33
Nasdaq Biotechnology Total Return Index $ 100.00 $ 100.02 $ 89.90 $ 94.03 $ 93.49 $ 124.75
Item 6. [Reserved].