Company: CYTK
Filing Date: 2025-02-27
Form Type: S-3ASR
Source: 0001193125-25-039426
Chunk: 55

Company: CYTOKINETICS INC
Filing Date: 2025-02-27
Form: S-3ASR
Chunk 55
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, given on their authority as
experts in accounting and auditing.

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WHERE YOU CAN FIND MORE INFORMATION

This prospectus supplement and the accompanying prospectus are part of the registration statement on Form
S-3 that we filed with the SEC. The registration statement that contains this prospectus supplement, including the exhibits to the registration statement, contains additional information about us and the
securities offered by this prospectus supplement and the accompanying prospectus. For further information with respect to us and the securities we are offering under this prospectus supplement and the accompanying prospectus, we refer you to the
registration statement and the exhibits and schedules filed as a part of the registration statement. You should rely only on information contained in this prospectus supplement, the accompanying prospectus or incorporated by reference into this
prospectus supplement and the accompanying prospectus. We have not authorized any person to provide you with different information. We are not making an offer of these securities in any state where the offer is not permitted. You should not assume
that the information in this prospectus supplement is accurate as of any date other than the date on the front page of this prospectus supplement, regardless of the time of delivery of this prospectus supplement or any sale of the securities offered
by this prospectus supplement.

We file annual, quarterly and current reports, proxy statements and other information with the SEC. Our
SEC filings are available to the public at the SEC’s website at .

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INCORPORATION OF CERTAIN INFORMATION BY REFERENCE The SEC allows us to “incorporate by reference” information from other documents that we file with it, which means that we can disclose important information to you by referring you to those documents instead of having to repeat the information in this prospectus supplement and the accompanying prospectus. The information incorporated by reference is considered to be part of this prospectus supplement and the accompanying prospectus, and later information that we file with the SEC will automatically update and supersede this information. We also incorporate by reference into this prospectus and the registration statement of which this prospectus is a part the information or documents listed below that we have filed with the SEC:

We also incorporate by reference any future filings (other than current reports furnished under Item 2.02 or Item 7.01 of Form 8-Kand exhibits filed on such form that are related to such items unless such Form 8-Kexpressly provides to the contrary) made with the SEC pursuant to Sections 13(a), 13(c