SEC Form 4 · accession 0001061983-26-000071
CYTOKINETICS INC · CYTK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Sung Lee
Officer — EVP, Chief Financial Officer
Period of report
Jun 24, 2026
Accepted (ET)
Jun 29, 2026 · 6:05 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001061983
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 24, 2026 | M | 23,370 | $48.51 | A | 86,591 | D | |
| Common Stock | Jun 24, 2026 | M | 9,307 | $44.36 | A | 95,898 | D | |
| Common Stock | Jun 24, 2026 | M | 2,817 | $44.36 | A | 98,715 | D | |
| Common Stock | Jun 24, 2026 | M | 1,113 | $48.51 | A | 99,828 | D | |
| Common Stock | Jun 24, 2026 | M | 188 | $44.36 | A | 100,016 | D | |
| Common Stock | Jun 24, 2026 | M | 822 | $44.36 | A | 100,838 | D | |
| Common Stock | Jun 24, 2026 | M | 1,113 | $48.51 | A | 101,951 | D | |
| Common Stock | Jun 24, 2026 | S | 38,730 | $82.30 | D | 63,221 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Non-Qualified Stock Option (Right to Buy) | $48.51 | Jun 24, 2026 | M | 23,370 | D | Jun 2, 2025 | May 30, 2034 | Common Stock | 23,370 | 30,047 | D |
| Non-Qualified Stock Option (Right to Buy) | $44.36 | Jun 24, 2026 | M | 9,307 | D | Apr 14, 2025 | Mar 13, 2035 | Common Stock | 9,307 | 32,019 | D |
| Incentive Stock Option (Right to Buy) | $44.36 | Jun 24, 2026 | M | 2,817 | D | Apr 14, 2025 | Mar 13, 2035 | Common Stock | 2,817 | 6,199 | D |
| Non-Qualified Stock Option (Right to Buy) | $48.51 | Jun 24, 2026 | M | 1,113 | D | Jun 2, 2025 | May 30, 2034 | Common Stock | 1,113 | 28,934 | D |
| Incentive Stock Option (Right to Buy) | $44.36 | Jun 24, 2026 | M | 188 | D | Apr 14, 2025 | Mar 13, 2035 | Common Stock | 188 | 6,011 | D |
| Non-Qualified Stock Option (Right to Buy) | $44.36 | Jun 24, 2026 | M | 822 | D | Apr 14, 2025 | Mar 13, 2035 | Common Stock | 822 | 31,197 | D |
| Non-Qualified Stock Option (Right to Buy) | $48.51 | Jun 24, 2026 | M | 1,113 | D | Jun 2, 2025 | May 30, 2034 | Common Stock | 1,113 | 27,821 | D |