Company: CYTK
Filing Date: 2025-02-27
Form Type: S-3ASR
Source: 0001193125-25-039426
Chunk: 0

Company: CYTOKINETICS INC
Filing Date: 2025-02-27
Form: S-3ASR
Chunk 0
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As filed with the Securities and Exchange Commission on February 27, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Cytokinetics, Incorporated (Exact name of registrant as specified in its charter)

| Delaware                        |     | 94-3291317            |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer      
 Identification Number |

350 Oyster Point Boulevard South San Francisco, California 94080 (650) 624-3000 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices) Robert I. Blum President and Chief Executive Officer Cytokinetics, Incorporated 350 Oyster Point Boulevard South San Francisco, California 94080 (650) 624-3000 (Name, address, including zip code, and telephone number, including area code, of agent for service) Copies to: Chadwick Mills Alan Hambelton Cooley LLP 3 Embarcadero Center 20th Floor San Francisco, CA 94111-4004 (415) 693-2000 Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this Registration Statement. If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box: ☐ If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box: ☒ If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities