Cytokinetics (CYTK): Officer filed to sell ~$1.03M

~$1.03M

planned to sell · 16K shares, around Oct 20, 2026

Planned for

Oct 20, 2026

Notice filed

Oct 20, 2026

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. Aug 31, 2026Insider · 2 peopleInsiders: 2 sales (~$1.2M)
2. Sep 1, 2026InsiderDirector sold ~$357K of CYTK shares in the open market
3. Sep 8, 2026InsiderOfficer sold ~$264K of CYTK shares in the open market
4. Sep 11, 2026InsiderDirector sold ~$75K of CYTK shares in the open market
5. Sep 14, 2026InsiderCEO sold ~$551K of CYTK shares in the open market
6. Sep 15, 2026Insider · 2 peopleInsiders: 2 sales (~$6.9M)
7. Sep 22, 2026InsiderOfficer sold ~$239K of CYTK shares in the open market
8. Sep 28, 2026InsiderCEO sold ~$491K of CYTK shares in the open market
9. Sep 29, 2026CongressDisclosed purchase of CYTK — reported range $1,001 - $15,000
10. Oct 6, 2026InsiderOfficer sold ~$215K of CYTK shares in the open market
11. Oct 12, 2026InsiderCEO sold ~$472K of CYTK shares in the open market
12. Oct 20, 2026InsiderOfficer sold ~$224K of CYTK shares in the open market

What came next

1. Nov 2, 2026InsiderCEO sold ~$471K of CYTK shares in the open market
2. Nov 3, 2026InsiderOfficer sold ~$220K of CYTK shares in the open market
3. Nov 4, 2026Company filing · Form 8-K · ResultsReported its results
4. Nov 9, 2026Insider · 1 personInsiders: 2 sales (~$274K)
5. Nov 10, 20265% stakeSTATE STREET CORPORATION reported a passive stake (13G) of 5.1%

How to read SEC Form 144

Form 144 is a notice that a company insider plans to sell shares. It is filed when the sell order is placed, so it announces a planned sale and does not prove that the sale took place.

Full guide: What is an SEC Form 144?

What else is on file for Cytokinetics

For Cytokinetics, OQRO holds 21 insider filings (SEC Form 4 or Form 144) and 1 Congress trade report 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.

How this filing works

• SEC Form 144
• Rule 10b5-1 trading plans

Other disclosures at Cytokinetics

• SEC Form 4Nov 12, 2026
• SEC Form 4Nov 12, 2026
• SEC Form 144Nov 9, 2026
• SEC Form 4Nov 3, 2026
• SEC Form 4Nov 2, 2026
• SEC Form 4Oct 20, 2026

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