Cytokinetics Inc SEC filings CYTK
Cytokinetics Inc has 1,001 filings in SEC EDGAR's recent list, going back to Mar 9, 2021. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 3, 2026 |
| 4 | Insider transaction | Nov 2, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 144 | Notice of proposed sale | Oct 20, 2026 | — |
| 4 | Insider transaction | Oct 20, 2026 | Oct 20, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 12, 2026 |
| 144 | Notice of proposed sale | Oct 13, 2026 | — |
| 4 | Insider transaction | Oct 6, 2026 | Oct 6, 2026 |
| 4 | Insider transaction | Sep 28, 2026 | Sep 28, 2026 |
| 4 | Insider transaction | Sep 22, 2026 | Sep 22, 2026 |
| 144 | Notice of proposed sale | Sep 15, 2026 | — |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 11, 2026 |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 4 | Insider transaction | Sep 8, 2026 | Sep 8, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 4 | Insider transaction | Aug 31, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Aug 31, 2026 | Aug 31, 2026 |
| 8-K |
Current report
Other events
|
Aug 28, 2026 | Aug 28, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 18, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2026 | — |
| 8-K |
Current report
Other events
|
Aug 13, 2026 | Aug 13, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 10, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 30, 2026 |
| 144 | Notice of proposed sale | Jul 30, 2026 | — |
| 4 | Insider transaction | Jul 27, 2026 | Jul 27, 2026 |
| 4 | Insider transaction | Jul 23, 2026 | Jul 21, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 8, 2026 | — |
| 4 | Insider transaction | Jul 7, 2026 | Jul 7, 2026 |
| 144 | Notice of proposed sale | Jul 7, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 4 | Insider transaction | Jun 29, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 29, 2026 |
| 144 | Notice of proposed sale | Jun 29, 2026 | — |
| 144 | Notice of proposed sale | Jun 26, 2026 | — |
| 144 | Notice of proposed sale | Jun 24, 2026 | — |
| 4 | Insider transaction | Jun 23, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 9, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 27, 2026 |
| S-8 | Employee stock plan registration | May 27, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 14, 2026 |
| 8-K |
Current report
Other events
|
May 8, 2026 | May 6, 2026 |
| 424B5 | Prospectus supplement | May 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 5, 2026 |
| 424B5 | Prospectus supplement | May 5, 2026 | — |
| 144 | Notice of proposed sale | May 5, 2026 | — |
| 144 | Notice of proposed sale | May 5, 2026 | — |
| 144 | Notice of proposed sale | May 5, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Other events
|
May 5, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 5, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 29, 2026 | Apr 29, 2026 |
| 4 | Insider transaction | Apr 21, 2026 | Apr 21, 2026 |
| ARS | Annual report to shareholders | Apr 17, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 17, 2026 | May 27, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 15, 2026 | Apr 15, 2026 |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| 4 | Insider transaction | Apr 8, 2026 | Apr 7, 2026 |
| 144 | Notice of proposed sale | Apr 7, 2026 | — |
| 144 | Notice of proposed sale | Apr 1, 2026 | — |
| 4 | Insider transaction | Apr 1, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed sale | Mar 31, 2026 | — |
| 4 | Insider transaction | Mar 31, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Mar 18, 2026 | — |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 16, 2026 |
| 144 | Notice of proposed sale | Mar 16, 2026 | — |
| 4 | Insider transaction | Mar 10, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 5, 2026 |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| S-8 | Employee stock plan registration | Feb 26, 2026 | — |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2026 | Feb 24, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 17, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 2, 2026 | Jan 2, 2026 |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| 4 | Insider transaction | Dec 30, 2025 | Dec 29, 2025 |
| 144 | Notice of proposed sale | Dec 29, 2025 | — |
| 4 | Insider transaction | Dec 29, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 22, 2025 |
| 144 | Notice of proposed sale | Dec 22, 2025 | — |
| 8-K |
Current report
Other events
|
Dec 19, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 16, 2025 |
| 8-K |
Current report
Other events
|
Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 8, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 5, 2025 |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 2, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 2, 2025 |
| 144 | Notice of proposed sale | Dec 2, 2025 | — |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 4 | Insider transaction | Nov 19, 2025 | Nov 19, 2025 |
| 144 | Notice of proposed sale | Nov 19, 2025 | — |
| 4 | Insider transaction | Nov 18, 2025 | Nov 18, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 14, 2025 |
| 3 | Initial insider ownership | Nov 14, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 14, 2025 | Nov 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 10, 2025 | — |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Nov 4, 2025 |
| 4 | Insider transaction | Oct 30, 2025 | Oct 30, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 27, 2025 |
| 144 | Notice of proposed sale | Oct 27, 2025 | — |
| 4 | Insider transaction | Oct 21, 2025 | Oct 21, 2025 |
| 144 | Notice of proposed sale | Oct 21, 2025 | — |
| 4 | Insider transaction | Oct 21, 2025 | Oct 15, 2025 |
| 4 | Insider transaction | Oct 16, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 16, 2025 | Oct 15, 2025 |
| 4 | Insider transaction | Oct 16, 2025 | Oct 15, 2025 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- CYTK (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- South San Francisco, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1061983
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.