Through the 90-day period concluding December 12, 2025, Cytokinetics's top three insider stakeholders include President & CEO Robert I Blum (352.29K shares), EVP Research & Development Fady Ibraham Malik (138.55K shares), Chief Legal & Admin Officer Jeffrey Hessekiel (87.30K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Robert I Blum | President & CEO | 352,285 | 05 Dec, 2025 |
| David Cragg | Chief HR & Admin Officer | 153,233 | 08 Mar, 2022 |
| Fady Ibraham Malik | EVP Research & Development | 138,552 | 05 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 | 67,917 | 05 Dec, 2025 |
| Andrew Callos | EVP And Chief Commercial Officer | 50,660 | 08 Dec, 2025 |
| Brett A Pletcher | EVP And Chief Legal Officer | 33,140 | 03 Sep, 2024 |
| Wendell Wierenga | 32,444 | 27 Oct, 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 |
|---|---|---|---|---|---|---|---|---|
| 08 Dec, 2025 | Andrew Callos | Common Stock | A | 1,042 | $39.13 | 51,702 | D | M |
| 08 Dec, 2025 | Andrew Callos | Common Stock | D | 1,042 | $65.96 | 50,660 | D | S |
| 05 Dec, 2025 | Andrew Callos | Common Stock | A | 15,000 | $23.26 | 65,660 | D | M |
| 05 Dec, 2025 | Andrew Callos | Common Stock | A | 11,000 | $39.13 | 76,660 | D | M |
| 05 Dec, 2025 | Andrew Callos | Common Stock | A | 15,858 | $37.63 | 92,518 | D | M |
| 05 Dec, 2025 | Andrew Callos | Common Stock | A | 10,628 | $37.63 | 103,146 | D | M |
| 05 Dec, 2025 | Andrew Callos | Common Stock | D | 52,486 | $65.95 | 50,660 | D | S |
| 03 Dec, 2025 | Sung Lee | Common Stock | D | 1,560 | $65.02 | 67,917 | D | F |
| 03 Dec, 2025 | Fady Ibraham Malik | Common Stock | D | 2,058 | $65.02 | 138,552 | D | F |
| 03 Dec, 2025 | Robert I Blum | Common Stock | D | 5,930 | $65.02 | 350,202 | D | F |
| 03 Dec, 2025 | Andrew Callos | Common Stock | D | 1,368 | $65.02 | 50,660 | D | F |
| 02 Dec, 2025 | John T Henderson | Common Stock | A | 8,750 | $10.00 | 83,328 | D | M |
| 02 Dec, 2025 | Fady Ibraham Malik | Common Stock | A | 2,200 | $10.60 | 142,810 | D | M |
| 02 Dec, 2025 | Fady Ibraham Malik | Common Stock | D | 2,200 | $63.89 | 140,610 | D | S |
| 02 Dec, 2025 | John T Henderson | Common Stock | D | 8,750 | $63.90 | 74,578 | D | S |
| 01 Dec, 2025 | Edward M. Md Kaye | Common Stock | A | 8,064 | $12.40 | 18,041 | D | M |
| 01 Dec, 2025 | Robert Arthur Harrington | Common Stock | D | 2,150 | $66.80 | 18,542 | D | S |
| 01 Dec, 2025 | Edward M. Md Kaye | Common Stock | A | 20,000 | $14.25 | 38,041 | D | M |
| 01 Dec, 2025 | Edward M. Md Kaye | Common Stock | D | 28,064 | $66.72 | 9,977 | D | S |
| 19 Nov, 2025 | B Lynne Parshall | Common Stock | D | 5,000 | $64.73 | 22,933 | D | S |