CYTOKINETICS INC — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Callos Andrew | EVP, Chief Commercial Officer | Sale | 1,809 | $62.44 | $112,954 | 51,353 | Dec 29, 2025 |
| Blum Robert I | President & CEO | Award / Grant | 5,765 | — | — | 396,774 | Dec 22, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Award / Grant | 2,000 | — | — | 142,552 | Dec 22, 2025 |
| Callos Andrew | EVP, Chief Commercial Officer | Award / Grant | 1,589 | — | — | 52,249 | Dec 22, 2025 |
| Lee Sung | EVP, Chief Financial Officer | Tax Withholding | 805 | $62.72 | $50,490 | 71,416 | Dec 22, 2025 |
| Blum Robert I | President & CEO | Option Exercise | 16,506 | $6.67 | $110,095 | 391,009 | Dec 22, 2025 |
| WIERENGA WENDELL | — | Option Exercise | 20,000 | $7.61 | $152,200 | 52,444 | Dec 22, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Sale | 2,200 | $61.24 | $134,728 | 138,552 | Dec 16, 2025 |
| Callos Andrew | EVP, Chief Commercial Officer | Option Exercise | 1,042 | $39.13 | $40,773 | 51,702 | Dec 8, 2025 |
| Callos Andrew | EVP, Chief Commercial Officer | Sale | 52,486 | $65.95 | $3,461,452 | 50,660 | Dec 5, 2025 |
| Lee Sung | EVP, Chief Financial Officer | Tax Withholding | 1,560 | $65.02 | $101,431 | 67,917 | Dec 3, 2025 |
| Callos Andrew | EVP, Chief Commercial Officer | Tax Withholding | 1,368 | $65.02 | $88,947 | 50,660 | Dec 3, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Tax Withholding | 2,058 | $65.02 | $133,811 | 138,552 | Dec 3, 2025 |
| Blum Robert I | President & CEO | Tax Withholding | 5,930 | $65.02 | $385,569 | 350,202 | Dec 3, 2025 |
| HENDERSON JOHN T | — | Sale | 8,750 | $63.90 | $559,125 | 74,578 | Dec 2, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Sale | 2,200 | $63.89 | $140,558 | 140,610 | Dec 2, 2025 |
| Kaye Edward M. MD | — | Sale | 28,064 | $66.72 | $1,872,430 | 9,977 | Dec 1, 2025 |
| Harrington Robert Arthur | — | Sale | 2,150 | $66.80 | $143,620 | 18,542 | Dec 1, 2025 |
| PARSHALL B LYNNE | — | Sale | 5,000 | $64.73 | $323,650 | 22,933 | Nov 19, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Sale | 2,200 | $66.45 | $146,190 | 140,610 | Nov 18, 2025 |
| Hessekiel Jeffrey | Chief Legal & Admin Officer | Award / Grant | 87,297 | — | — | 87,297 | Nov 14, 2025 |
| Kaye Edward M. MD | — | Option Exercise | 5,175 | $9.66 | $49,991 | 15,152 | Nov 11, 2025 |
| Blum Robert I | President & CEO | Gift | 2,000 | — | — | 356,108 | Nov 5, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Option Exercise | 2,295 | $10.60 | $24,327 | 142,905 | Nov 4, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $62.86 | $314,300 | 358,108 | Oct 30, 2025 |
| WIERENGA WENDELL | — | Option Exercise | 4,375 | $10.00 | $43,750 | 36,819 | Oct 27, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Sale | 2,105 | $58.22 | $122,553 | 140,610 | Oct 21, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $60.03 | $300,150 | 363,108 | Oct 16, 2025 |
| WIERENGA WENDELL | — | Award / Grant | 99 | $62.80 | $6,217 | 32,444 | Oct 15, 2025 |
| Harrington Robert Arthur | — | Award / Grant | 199 | $62.80 | $12,497 | 20,692 | Oct 15, 2025 |
| HENDERSON JOHN T | — | Award / Grant | 338 | $62.80 | $21,226 | 74,578 | Oct 15, 2025 |
| Kaye Edward M. MD | — | Award / Grant | 199 | $62.80 | $12,497 | 9,977 | Oct 15, 2025 |
| Wysenski Nancy | — | Award / Grant | 99 | $62.80 | $6,217 | 30,873 | Oct 15, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Option Exercise | 2,000 | $10.60 | $21,200 | 142,610 | Oct 7, 2025 |
| Kaye Edward M. MD | — | Sale | 6,757 | $60.00 | $405,420 | 9,778 | Oct 6, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $55.05 | $275,250 | 368,108 | Oct 1, 2025 |
| Kaye Edward M. MD | — | Sale | 6,695 | $55.08 | $368,761 | 16,535 | Sep 30, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Option Exercise | 2,000 | $10.60 | $21,200 | 142,610 | Sep 23, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $49.77 | $248,850 | 373,108 | Sep 15, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Option Exercise | 2,000 | $10.60 | $21,200 | 142,610 | Sep 9, 2025 |
| Kaye Edward M. MD | — | Sale | 6,756 | $50.00 | $337,800 | 23,230 | Sep 2, 2025 |
| Harrington Robert Arthur | — | Sale | 2,150 | $48.67 | $104,641 | 20,493 | Sep 2, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $48.76 | $243,800 | 378,108 | Sep 2, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Sale | 2,000 | $38.31 | $76,620 | 140,610 | Aug 19, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $38.42 | $192,100 | 383,108 | Aug 15, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Sale | 2,000 | $36.34 | $72,680 | 140,610 | Aug 5, 2025 |
| Blum Robert I | President & CEO | Sale | 5,000 | $36.45 | $182,250 | 388,108 | Jul 29, 2025 |
| Malik Fady Ibraham | EVP Research & Development | Option Exercise | 2,000 | $10.60 | $21,200 | 142,610 | Jul 22, 2025 |
| HENDERSON JOHN T | — | Award / Grant | 559 | $38.01 | $21,248 | 74,240 | Jul 15, 2025 |
| Wysenski Nancy | — | Award / Grant | 164 | $38.01 | $6,234 | 30,774 | Jul 15, 2025 |