Based on data from the past 90 days ending January 10, 2026, Cytokinetics's three largest insider shareholders are President & Ceo Robert I Blum (401.69K shares), Chief Hr & Admin Officer David Cragg (153.23K shares), Evp Research & Development Fady Ibraham Malik (141.54K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Robert I Blum | President & Ceo | 401,687 | 24 Dec, 2025 |
| David Cragg | Chief Hr & Admin Officer | 153,233 | 08 Mar, 2022 |
| Fady Ibraham Malik | Evp Research & Development | 141,536 | 24 Dec, 2025 |
| Mark A Schlossberg | Svp Legal & General Counsel | 103,408 | 15 Mar, 2022 |
| Ching Jaw | Svp Finance & Cfo | 87,346 | 07 Mar, 2023 |
| Jeffrey Hessekiel | Chief Legal & Admin Officer | 87,297 | 17 Nov, 2025 |
| John T Henderson | 74,661 | 02 Dec, 2025 | |
| Sung Lee | Evp And Chief Financial Officer | 71,416 | 29 Dec, 2025 |
| Andrew Callos | Evp And Chief Commercial Officer | 50,440 | 05 Jan, 2026 |
| Brett A Pletcher | Evp And Chief Legal Officer | 33,140 | 03 Sep, 2024 |
| Wendell Wierenga | 32,444 | 23 Dec, 2025 | |
| Wendall Wierenga | 32,345 | 16 Jul, 2025 | |
| Nancy Wysenski | 30,873 | 16 Oct, 2025 | |
| L Patrick Gage | 28,932 | 08 Nov, 2021 | |
| Muna Bhanji | 23,510 | 15 May, 2025 | |
| B Lynne Parshall | 22,933 | 19 Nov, 2025 | |
| Santo J Costa | 20,600 | 16 May, 2024 | |
| Sandford D Smith | 18,801 | 03 Jan, 2024 | |
| Robert Wong | Vp And Chief Accounting Officer | 18,655 | 05 Dec, 2024 |
| Robert Arthur Harrington | 18,542 | 02 Dec, 2025 | |
| Edward M. Md Kaye | 9,977 | 02 Dec, 2025 | |
| Robert E Landry | 7,333 | 14 May, 2025 | |
| Robert Califf | 6,003 | 04 Jan, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Jan, 2026 | Andrew Callos | Common Stock | D | 15,000 | $60.28 | 50,440 | D | S |
| 05 Jan, 2026 | Andrew Callos | Common Stock | A | 15,000 | $23.26 | 65,440 | D | M |
| 02 Jan, 2026 | Andrew Callos | Common Stock | A | 885 | $37.63 | 51,325 | D | M |
| 02 Jan, 2026 | Andrew Callos | Common Stock | D | 913 | $62.09 | 50,440 | D | S |
| 02 Jan, 2026 | Andrew Callos | Common Stock | D | 885 | $63.16 | 50,440 | D | S |
| 29 Dec, 2025 | Andrew Callos | Common Stock | D | 1,809 | $62.44 | 51,353 | D | S |
| 22 Dec, 2025 | Wendell Wierenga | Common Stock | A | 20,000 | $7.61 | 52,444 | D | M |
| 22 Dec, 2025 | Wendell Wierenga | Common Stock | D | 20,000 | $66.14 | 32,444 | D | S |
| 22 Dec, 2025 | Robert I Blum | Common Stock | A | 54,727 | $6.67 | 404,929 | D | M |
| 22 Dec, 2025 | Robert I Blum | - | - | 391,009 | D | |||
| 22 Dec, 2025 | Robert I Blum | Common Stock | A | 16,506 | $6.67 | 391,009 | D | M |
| 22 Dec, 2025 | Robert I Blum | Common Stock | D | 2,935 | $62.72 | 399,604 | D | F |
| 22 Dec, 2025 | Robert I Blum | Common Stock | A | 5,765 | $0.00 | 402,539 | D | A |
| 22 Dec, 2025 | Robert I Blum | Common Stock | A | 5,765 | $0.00 | 396,774 | D | A |
| 22 Dec, 2025 | Robert I Blum | - | - | 374,503 | D | |||
| 22 Dec, 2025 | Robert I Blum | Common Stock | D | 30,426 | $68.18 | 374,503 | D | F |
| 22 Dec, 2025 | Fady Ibraham Malik | Common Stock | A | 2,000 | $0.00 | 142,552 | D | A |
| 22 Dec, 2025 | Fady Ibraham Malik | Common Stock | D | 1,016 | $62.72 | 141,536 | D | F |
| 22 Dec, 2025 | Fady Ibraham Malik | Common Stock | A | 2,000 | $0.00 | 140,552 | D | A |
| 22 Dec, 2025 | Sung Lee | Common Stock | A | 2,152 | $0.00 | 72,221 | D | A |