15 insiders reported 288 Form 4 transactions for CYTOKINETICS INC (CYTK) over the past 18 months (most recent 2026-08-18). Recent activity: Malik Fady Ibraham (EVP Research & Development) Buy 3,500 shares, Malik Fady Ibraham (EVP Research & Development) Sell 3,500 shares, Blum Robert I (President & CEO) Buy 7,500 shares, Blum Robert I (President & CEO) Sell 7,500 shares, Callos Andrew (EVP, Chief Commercial Officer) Buy 14,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Malik Fady Ibraham | EVP Research & Development | Buy | 3,500 | $27,300 |
| 2026-08-18 | Malik Fady Ibraham | EVP Research & Development | Sell | 3,500 | $265,370 |
| 2026-08-10 | Blum Robert I | President & CEO | Buy | 7,500 | $79,500 |
| 2026-08-10 | Blum Robert I | President & CEO | Sell | 7,500 | $575,700 |
| 2026-07-30 | Callos Andrew | EVP, Chief Commercial Officer | Buy | 14,000 | $325,640 |
| 2026-07-30 | Callos Andrew | EVP, Chief Commercial Officer | Sell | 14,000 | $1.1M |
| 2026-07-27 | Blum Robert I | President & CEO | Buy | 7,500 | $79,500 |
| 2026-07-27 | Blum Robert I | President & CEO | Sell | 7,500 | $606,525 |
| 2026-07-23 | Malik Fady Ibraham | EVP Research & Development | Buy | 3,500 | $27,300 |
| 2026-07-23 | Malik Fady Ibraham | EVP Research & Development | Sell | 3,500 | $282,065 |
| 2026-07-16 | Wysenski Nancy | Director | Buy | 75 | $6,196 |
| 2026-07-16 | WIERENGA WENDELL | Director | Buy | 75 | $6,196 |
| 2026-07-16 | Kaye Edward M. MD | Director | Buy | 151 | $12,476 |
| 2026-07-16 | Daly James M | Director | Buy | 151 | $12,476 |
| 2026-07-16 | Harrington Robert Arthur | Director | Buy | 151 | $12,476 |
| 2026-07-16 | HENDERSON JOHN T | Director | Buy | 272 | $22,473 |
| 2026-07-14 | Blum Robert I | President & CEO | Sell | 10 | $820 |
| 2026-07-14 | Blum Robert I | President & CEO | Buy | 7,490 | $79,394 |
| 2026-07-14 | Blum Robert I | President & CEO | Sell | 7,490 | $614,330 |
| 2026-07-07 | Malik Fady Ibraham | EVP Research & Development | Buy | 3,500 | $27,300 |
| 2026-07-07 | Malik Fady Ibraham | EVP Research & Development | Sell | 3,500 | $303,170 |
| 2026-07-02 | Lee Sung | EVP, Chief Financial Officer | Sell | 1,112 | $97,622 |
| 2026-07-02 | Blum Robert I | President & CEO | Sell | 7,500 | $636,900 |
| 2026-07-02 | Lee Sung | EVP, Chief Financial Officer | Buy | 1,112 | $53,943 |
| 2026-07-02 | Callos Andrew | EVP, Chief Commercial Officer | Buy | 15,000 | $348,900 |
Source: SEC Form 4 filings · as of 2026-08-18