Cytokinetics (CYTK)Director sold ~$18K

~$18K

Approx. value · 450 sh @ $39.43

15K

Holds after · shares reported

Traded

Apr 3, 2025

Filed

Apr 4, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Feb 4, 2025InsiderOfficer sold ~$96K of CYTK shares in the open market
2. Feb 18, 2025InsiderOfficer sold ~$92K of CYTK shares in the open market
3. Mar 3, 2025Insider · 3 peopleInsiders: 3 sales (~$528K)
4. Mar 4, 2025Insider · 2 peopleInsiders: 2 sales (~$123K)
5. Mar 5, 2025InsiderCEO sold ~$1.08M of CYTK shares in the open market
6. Mar 6, 2025Insider · 3 peopleInsiders: 3 sales (~$1.2M)
7. Mar 13, 2025InsiderOfficer sold ~$1.17M of CYTK shares in the open market
8. Mar 14, 2025InsiderOfficer sold ~$4.5K of CYTK shares in the open market
9. Mar 17, 2025Insider · 3 peopleInsiders: 5 sales (~$2.9M)
10. Mar 18, 2025InsiderOfficer sold ~$87K of CYTK shares in the open market
11. Mar 31, 2025InsiderCEO sold ~$611K of CYTK shares in the open market
12. Apr 3, 2025 · this disclosureInsiderDirector sold ~$18K of CYTK shares in the open market

What came next

1. Apr 7, 2025InsiderOfficer sold ~$103K of CYTK shares in the open market
2. Apr 8, 2025InsiderOfficer sold ~$72K of CYTK shares in the open market
3. Apr 10, 2025InsiderCEO sold ~$184K of CYTK shares in the open market
4. Apr 15, 2025InsiderDirector sold ~$123K of CYTK shares in the open market
5. Apr 21, 2025InsiderDirector sold ~$769K of CYTK shares in the open market
6. Apr 22, 2025InsiderOfficer sold ~$76K of CYTK shares in the open market
7. Apr 29, 2025InsiderCEO sold ~$205K of CYTK shares in the open market
8. May 5, 2025InsiderOfficer sold ~$147K of CYTK shares in the open market
9. May 6, 2025InsiderOfficer sold ~$70K of CYTK shares in the open market
10. May 15, 2025InsiderDirector sold ~$43K of CYTK shares in the open market
11. May 16, 2025InsiderCEO sold ~$155K of CYTK shares in the open market
12. May 20, 2025InsiderOfficer sold ~$64K of CYTK shares in the open market
13. Jun 2, 2025InsiderCEO sold ~$156K of CYTK shares in the open market
14. Jun 3, 2025InsiderOfficer sold ~$64K of CYTK shares in the open market
15. Jun 5, 2025Insider · 2 peopleInsiders: 2 sales (~$394K)
16. Jun 16, 2025InsiderCEO sold ~$169K of CYTK shares in the open market
17. Jun 17, 2025InsiderOfficer sold ~$66K of CYTK shares in the open market
18. Jul 1, 2025InsiderCEO sold ~$168K of CYTK shares in the open market
19. Jul 8, 2025InsiderOfficer sold ~$68K of CYTK shares in the open market
20. Jul 14, 2025InsiderCEO sold ~$191K of CYTK shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Cytokinetics

For Cytokinetics, OQRO holds 18 insider filings (SEC Form 4 or Form 144) and 11 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CYTK page.

Other recent filings by Robert Arthur Harrington, Director

• SEC Form 4 at Cytokinetics (CYTK)Dec 2, 2025
• SEC Form 4 at Cytokinetics (CYTK)Sep 2, 2025
• SEC Form 4 at Cytokinetics (CYTK)Mar 4, 2025

The full history of Robert Arthur Harrington, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Cytokinetics

• SEC Form 4Oct 6, 2026
• SEC Form 4Sep 28, 2026
• SEC Form 4Sep 22, 2026
• SEC Form 4Sep 15, 2026
• SEC Form 4Sep 15, 2026
• SEC Form 4Sep 15, 2026

Everything OQRO holds on this company is on its CYTK page.