Company: CYTK
Filing Date: 2025-02-27
Form Type: S-3ASR
Source: 0001193125-25-039426
Chunk: 7

Company: CYTOKINETICS INC
Filing Date: 2025-02-27
Form: S-3ASR
Chunk 7
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 by reference into this prospectus. The Securities We May Offer We or selling securityholders may offer shares of our common stock and preferred stock, various series of debt securities and/or warrants to purchase any of such securities, either individually or in combination with other securities from time to time under this prospectus, together with the applicable prospectus supplement and any related free writing prospectus, at prices and on terms to be determined by market conditions at the time of any offering. We may also offer common stock, preferred stock and/or debt securities upon the exercise of warrants. This prospectus provides you with a general description of the securities we or selling securityholders may offer. Each time we or selling securityholders offer a type or series of securities under this prospectus, we will provide a prospectus supplement that will describe the specific amounts, prices and other important terms of the securities, including, to the extent applicable:

| • |     | designation or classification; |

1

| • |     | aggregate principal amount or aggregate offering price; |

| • |     | maturity date, if applicable; |

| • |     | original issue discount, if any; |

| • |     | rates and times of payment of interest or dividends, if any; |

| • |     | redemption, conversion, exercise, exchange or sinking fund terms, if any; |

| • |     | conversion or exchange prices or rates, if any, and, if applicable, any provisions for changes to or adjustments              
 in the conversion or exchange prices or rates and in the securities or other property receivable upon conversion or exchange; |

| • |     | ranking; |

| • |     | restrictive covenants, if any; |

| • |     | voting or other rights, if any; and |

| • |     | a discussion of material or special U.S. federal income tax considerations, if any. |

The applicable prospectus supplement and any related free writing prospectus that we may authorize to be provided to you may also add, update or change any of the information contained in this prospectus or in the documents we have incorporated by reference. THIS PROSPECTUS MAY NOT BE USED TO CONSUMMATE A SALE OF SECURITIES UNLESS IT IS ACCOMPANIED BY A PROSPECTUS SUPPLEMENT. We or selling securityholders may sell the securities directly to investors or to or through agents, underwriters or dealers. If we or selling securityholders do offer securities to or through agents or underwriters, we will include in the